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Phil42

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Temperature records (data)
« on: February 10, 2020, 01:12:43 PM »
Hello ASIF, I had this idea for a new thread with the specific purpose of keeping track of temperature records (both high and low). I haven't found a similar existing thread, but if one exists, please just remove this one.

With temperature records tumbling around the globe, I think it would be interesting of having a record (even if very incomplete) where and when new records are set. I think it would be best to limit this thread to purely data posts, and leave away big discussions (like the ASI extent data thread). Also whenever possible it would be good to provide information about the temperature that was measured (in °C or °C/°F), when (date) a record was set, where (weather station / town / country) it was set and what kind of record it is (monthly / all-time / ...). Also a source would be helpful.

To start the thread I'd like to go back to the Europe summer 2019 heatwave(s) were several country-wide all-time records were broken (source):
  • France: 46.0C in Vérargues on 28th June 2019
  • Belgium: 41.8C in Begijnendijk on 25th July 2019
  • Germany: 42.6C in Lingen on 25th July 2019
  • Luxembourg: 40.8C in Steinsel on 25th July 2019
  • Netherlands: 40.7C in Gilze en Rijen on 25th July 2019
  • United Kingdom: 38.7C in Cambridge on 25th July 2019

On a more recent note, it has been reported that the all time high for the whole continent of Antarctica has been broken with 18.3C at the Esperanza Base on 6th February 2020.

<edited title; N.>
« Last Edit: February 10, 2020, 04:52:57 PM by Neven »

blumenkraft

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Re: Temperate records (data)
« Reply #1 on: February 10, 2020, 01:19:26 PM »
Good idea IMHO. :)

Is this a pure data thread, or is it open for discussions too?

Tor Bejnar

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Re: Temperate records (data)
« Reply #2 on: February 10, 2020, 03:56:08 PM »
Extreme temperatures around the world
The most reliable and updated collection of extreme temperatures on the WEB!http://www.mherrera.org/temp.htm

Cat 6, the Weather Underground blog, often [e.g., here] features Mr. Herrera's data and frequently identifies his work as the best in the world, as to maintaining and analyzing temperature records.
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Phil42

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Re: Temperature records (data)
« Reply #3 on: February 11, 2020, 08:53:36 AM »
That website is an amazing collection, thanks a lot for that link, Tor.

pietkuip

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Re: Temperature records (data)
« Reply #4 on: February 11, 2020, 11:24:47 AM »
The records that I am most curious about are wet-bulb temperatures and good data about temperature and humidity together. Given their vital importance, I find it a bit strange that accurate values are not easily available.

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Re: Temperature records (data)
« Reply #5 on: February 11, 2020, 03:05:14 PM »
Very good pietkuip, that would be important data/information.
Where to find humidity data? It isn't stated with a new temperature record. But then again, it is only of interest for temperatures above 35°C/95°F. Not only for records because the temperature may not set a new record but the wet bulb temperature might set a new record. Too bad climatereanalyser doesn't show a wet bulb temperature.
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Aluminium

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Re: Temperature records (data)
« Reply #6 on: March 01, 2020, 05:39:12 PM »
Winter is December-February here. However, sometimes March or November was colder.

Phoenix

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Re: Global Surface Air Temperatures
« Reply #7 on: April 21, 2020, 06:41:13 AM »
Miami, Florida sets all-time April temperature record earlier today at 97F (~37C). Previous April record was 96F set in 2015.

https://www.miamiherald.com/news/weather/article242157556.html

<Moved a record from the from general GSAT thread. kassy>
« Last Edit: April 23, 2020, 04:24:02 PM by kassy »

Phoenix

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Re: Temperature records (data)
« Reply #8 on: April 25, 2020, 11:02:34 PM »
April record in Las Vegas is 99F (37.2C). Wednesday forecast is 103F (39.4C).


Aluminium

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Re: Temperature records (data)
« Reply #9 on: May 20, 2020, 12:23:54 AM »

Niall Dollard

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Re: Temperature records (data)
« Reply #10 on: May 20, 2020, 07:53:38 AM »
On May 17th Paphos Airport in Cyprus reached 42.5 C.

Easily broke it's old May record and set a national record for May.

It's located near the coast and this is also the highest temperature ever recorded at the station. Remarkable for it to happen in May.

Aluminium

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Re: Temperature records (data)
« Reply #11 on: July 09, 2020, 09:17:33 PM »

Phil42

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Re: Temperature records (data)
« Reply #12 on: July 26, 2020, 11:35:36 PM »
Copying a post from the melting season here because it fits. Thanks to Rubikscube

Records broken in Longyearbyen, Svalbard and Eureka, Canada
Warmest temperature ever recorded on Svalbard yesterday. 21.7 C that is, and more to come. Previous record temperature for Eureka is 20.9, also looking to fall (the forecast attached says Eureka, N.W.T, but map coordinates show it is Eureka, Nunavut). Link to Canadian gov temperature records from Eureka.

I suspect record melt is ongoing across CAA and much the Atlantic side up to the pole.

glennbuck

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Re: Temperature records (data)
« Reply #13 on: July 27, 2020, 12:17:26 PM »
Taipei had 39.7℃ Friday, making it the highest temperature since records began 124 years ago. On the previous day, the southwestern end of Japan's Yonaguni had all-time record high of 35.5℃.

Niall Dollard

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Re: Temperature records (data)
« Reply #14 on: August 17, 2020, 06:05:03 AM »
Sunday 16th August 2020 it reached 130 F (54.4C) at Death Valley .

If confirmed this would be hottest reliably measured 2m air temperature ever recorded on earth.

First time for DV to record 130 F since the dodgy readings from 1913.

NotaDenier

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Re: Temperature records (data)
« Reply #15 on: August 17, 2020, 12:54:21 PM »
https://www.bbc.com/news/world-us-canada-53788018

What could be the highest temperature ever reliably recorded on Earth - 130F (54.4C) - has been reached in Death Valley National Park in California.
The recording is being verified by the US National Weather Service.
It comes amid a heatwave on the US's west coast, where temperatures are forecast to rise further this week.
The scorching conditions have led to two days of blackouts in California, after a power plant malfunctioned on Saturday.
What were the previous records?
Sunday's reading was recorded in Furnace Creek in Death Valley.
Before this, the hottest temperature reliably recorded on Earth was 129.2F (54C) - also in Death Valley in 2013.
A higher reading of 134F, or 56.6C a century earlier, also in Death Valley, is disputed. It is believed by some modern weather experts to have been erroneous, along with several other searing temperatures recorded that summer.
Dangerous heat wave forecast for south-west US
Summers could become 'too hot for humans'
Last decade confirmed as hottest on record
According to a 2016 analysis from weather historian Christopher Burt, other temperatures in the region recorded in 1913 do not corroborate the Death Valley reading.
Another record temperature for the planet - 131F, or 55C - was recorded in Tunisia in 1931, but Mr Burt said this reading, as well as others recorded in Africa during the colonial era, had "serious credibility issues".

Niall Dollard

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Re: Temperature records (data)
« Reply #16 on: August 17, 2020, 06:17:07 PM »
Death Valley was 114 F at 9am today

Same time yesterday was 107 F.

Will we see a new record max today ?

NotaDenier

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Re: Temperature records (data)
« Reply #17 on: August 17, 2020, 07:55:04 PM »
Death Valley was 114 F at 9am today

Same time yesterday was 107 F.

Will we see a new record max today ?

Low of 101?
117 at 10AM.

Niall Dollard

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Re: Temperature records (data)
« Reply #18 on: August 17, 2020, 08:34:05 PM »
120 F at 11am PDT.

Very hot for so early in the day.

However the northerly wind has increase to 9 mph with a gust of 17 mph.

Will the increased mixing scupper the chances of a new record today ? There is still another potential 5 hours of heating to go to break 130 F !

Edit: Link here to the hourlies

https://www.wrh.noaa.gov/mesowest/getobext.php?wfo=vef&sid=DEVC1&num=72&raw=0

KiwiGriff

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Re: Temperature records (data)
« Reply #19 on: September 03, 2020, 08:14:47 AM »
NZ has warmest winter  on record..
Quote
Warm winters are becoming a recurring theme in New Zealand.
This year’s winter peaked at 1.14 degrees Celsius above average, making it the warmest on record.
Niwa has been recording seasonal averages for 111 years, but seven of the 10 warmest winters have all occurred in the 21st century. The previous record was made in 2013 when the seasonal average increased by 1.08C.
“That really shows a trend,” NIWA forecaster Ben Noll said.
https://www.stuff.co.nz/national/weather-news/122657754/warmest-winter-on-record-a-dress-rehearsal-for-winters-to-come
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Phil42

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Re: Temperature records (data)
« Reply #20 on: September 14, 2020, 11:52:26 PM »
From https://twitter.com/ScottDuncanWX/status/1305604736671010816

Quote
We have just witnessed the hottest September day in France (on a national level) since records began.

Over 230 monthly station records were broken today alone. Some of these records go back nearly 150 years.

Hotspot today was Orthez at 37.9 °C.

France just recorded the hottest September day (average of max temperature of all stations across the country). Note that the single highest recorded September temperature record hasn't been broken (as Niall has correctly mentioned 2 posts below).
« Last Edit: September 16, 2020, 04:10:46 PM by Phil42 »

Phil42

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Re: Temperature records (data)
« Reply #21 on: September 16, 2020, 09:19:53 AM »
Same heatwave, another day, more records broken...

From https://twitter.com/ScottDuncanWX/status/1305969477545267203

Quote
Heat records dropping left, right and centre.

Hottest September day on record for Belgium 35.4 °C. Long standing records (over 90 years) getting smashed in the Netherlands.

Reminder: we are 2 weeks from October.

kassy

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Re: Temperature records (data)
« Reply #22 on: September 16, 2020, 01:42:58 PM »
Tuesday the 15th of september was the latest ever tropical day (over 30C) in the dutch weather records.

It only happened 5 times before. Last one was 14-09-2016.
https://www.nu.nl/binnenland/6077524/hitterecord-prinsjesdag-is-de-laatste-tropische-dag-in-het-jaar-sinds-1901.html

PS: We call it Gilze-Rijen.
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Niall Dollard

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Re: Temperature records (data)
« Reply #23 on: September 16, 2020, 02:51:19 PM »
The graphics from Scott Duncan are nice - but misleading.

Both contain the phrase :

"Hottest September Day on record for [insert country name]"

Whereas new national September extreme temperature records were set in Belgium and the Netherlands, this was not the case in France. The September record remains 40 C at Ajaccio in Corsica.

So what Scott was referring to in France was the highest average of a collection of max temperatures across France. This is not usually what people think of, when they hear "hottest on record". In fairness to Scott, he does clarify this difference in the text but the graphic doesn't.


Phil42

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Re: Temperature records (data)
« Reply #24 on: September 16, 2020, 04:12:53 PM »
Thank you Niall for the clarification. I understood it the same (wrong) way as you described. I have edited my post above to make it more clear. Fact checking is important.

Niall Dollard

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Re: Temperature records (data)
« Reply #25 on: July 14, 2021, 05:55:47 PM »
Hi Kassy

I have just copied over your post in the heatwave thread to revive this thread, which I think would be better used to reply to specific temperature records (as opposed to comment on heatwaves in general).

For the second year in a row, Death Valley, California, reached the highest daily average temperature ever observed on Earth (reliably). According to the US National Weather Service, temperatures reached a 130 degrees Fahrenheit (54.4ºC) last Friday, edging the previous record of 129.9 degrees Fahrenheit set on August 16, 2020.

...

The new record was registered at the Stovepipe Wells weather station in the northern part of Death Valley National Park. This is separate from the frequently referenced temperature measurements at Death Valley’s Furnace Creek, located further southeast. The record will now have to be reviewed by the World Meteorological Organization (WMO).
...

Reliable measurements
Still, there are other factors to contemplate that could affect the recent record at Furnace Creek . William Reid, a climatologist expert on Death Valley meteorology, said that an increase in vegetation and structures built in the vicinity of the Furnace Creek site in recent decades has allowed the station to record hotter temperatures.

“An increase in vegetation and some man-made structures not too far south of the station have resulted in poorer ventilation through the station area. Since the station is above a bare and sandy surface, hot air along the ground during afternoon sunshine is less effectively mixed away from the instrumentation. The result is higher temperature readings during the afternoon comparably,” Reid wrote

https://www.zmescience.com/ecology/death-valley-breaks-all-time-world-heat-record-again/

The article from zmescience.com states that the recent temperature of 130 F occured at the US Climate Reference Site (USCRN) at Stovepipe Wells, CA.

I do not believe this is true.

The 130 F last Friday was measured at Furnace Creek, Death Valley.

I have attached a graph of max and min values from Stovepipe Wells so far this month and the highest maximum so far has been 128 F on the 10th and 11th of July.

Perhaps the mix up has occurred because Stovepipe Wells has set a new US  record for highest daily low temperature of 108 F on the 11th. 

Of course that is nothing at all to do with record daily high values. These occurred at Furnace Creek. I believe a primary reason for the higher maxima at Furnace Creek is because the screen there is not aspirated/ventilated, whereas the screen at Stovepipe Wells is aspirated.

I mentioned before in the other thread that Campbell Scientific have installed another sensor at Furnace Creek and it will be interesting to see what was the temperatures recorded by this device.
« Last Edit: July 14, 2021, 06:27:02 PM by Niall Dollard »

kassy

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Re: Temperature records (data)
« Reply #26 on: July 14, 2021, 07:33:33 PM »
There was a specific question about only german sources mentioning the FC record so i put it there.
Do add more details when you get to the bottom of this. There does seem to be some confusion.
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kassy

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Re: Temperature records (data)
« Reply #27 on: August 05, 2021, 02:09:52 PM »
A new european record. https://watchers.news/2021/08/03/greece-sets-new-european-all-time-highest-temperature-record-august-2021/

Some numbers from the link:
Greece has set a new European highest temperature record with 46.3 °C (115.3 °F) registered in Makrakomi, Phthiotis on Monday, August 2, 2021. [/b]The meteorological station where the temperature was registered is operated by the National Observatory of Athens (NOA). This is the highest ever reading recorded by NOA and its affiliated meteo.gr

Other Greek mainland areas also recorded extremely high temperatures on Monday, with 45 °C (113 °F) registered in Debra, 44.9 °C (112.8 °F) in Larissa, 44.7 °C (112.4 °F) in Sparta, 44.4 °C (111.9 °F) in Lefkochori and 44 °C (111.2 °F) in Thebes.

On the same day, the maximum temperature in the capital Athens reached 42 °C (107.6 °F).

For the record(s).  :)

Edited: Not a new record (see discussion in original thread).
« Last Edit: August 06, 2021, 08:36:57 AM by kassy »
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The Walrus

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Re: Temperature records (data)
« Reply #28 on: August 05, 2021, 04:37:28 PM »
According to the link posted by Tor, the highest recorded temperature in Europe is 48.5°C (119.3 °F) recorded at Catenanuova, Italy on August 10, 1999.
« Last Edit: August 06, 2021, 08:37:40 AM by kassy »

kassy

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Re: Temperature records (data)
« Reply #29 on: August 06, 2021, 08:43:58 AM »
There seems to be something weird with that reading too.

 
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kassy

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Re: Temperature records (data)
« Reply #30 on: August 12, 2021, 04:27:56 PM »
Let´s see if this one sticks...

Unconfirmed reports that a new European all time high was reached on Sicily today .. 48.8'C .
Yes, 48.8 C, recorded by an inland station in Siracusa.

Also: Kairouan, Tunisia 50.3 C. This seems to be a new national record.

https://twitter.com/giulio_firenze/status/1425484211117596675?s=21
https://twitter.com/mikarantane/status/1425530939342524416?s=21

For Italy:
Regional authorities reported the reading, which needs to be verified by the World Meteorological Organization (WMO), near Syracuse on Wednesday.

https://www.bbc.com/news/world-europe-58130893
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The Walrus

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Re: Temperature records (data)
« Reply #31 on: August 12, 2021, 05:17:11 PM »
It will be if confirmed.  The temperature peaked above 48C for about 40 minutes, before a cool sea breeze blew in.

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Re: Temperature records (data)
« Reply #32 on: August 14, 2021, 03:14:06 AM »
July was the hottest month ever recorded, NOAA says
Quote
It's been a summer of sweltering heat waves and raging wildfires, and now it's confirmed: July 2021 was the hottest month on Earth since record-keeping began. The National Oceanic and Atmospheric Administration announced the findings on Friday, calling it an "unenviable distinction" and part of a worsening trend related to climate change.

According to data released by NOAA's National Centers for Environmental Information, the average worldwide land and ocean surface temperature in July was 1.67 degrees Fahrenheit hotter than the 20th century average of 60.4 degrees Fahrenheit. Official record-keeping of global temperatures began 142 years ago.

The high temperatures broke records in Asia, which had its hottest July ever recorded. Nine of the 10 warmest Julys in Asia have occurred since 2005, NOAA says.

North America, South America, Africa and Oceania had temperatures making it one of the top 10 warmest Julys on record. Much of the western U.S. grappled with the region's worst heat waves ever, and many states had their warmest July on record, the agency said.  …
https://www.cbsnews.com/news/climate-change-july-2021-hottest-month-noaa/
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kassy

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Re: Temperature records (data)
« Reply #33 on: August 14, 2021, 02:18:10 PM »
The data shows that the combined land and ocean-surface temperature was 0.93C (1.68F) above the 20th Century average of 15.8C (60.4F).

It is the highest temperature since record-keeping began 142 years ago. The previous record, set in July 2016, was equalled in 2019 and 2020.

...

The combined land and ocean-surface temperature was 0.01C higher than the 2016 record.

In the Northern Hemisphere, land-surface temperature reached an "unprecedented" 1.54C higher than average, surpassing a previous record set in 2012.

The data also showed that July was Asia's hottest month on record, as well as Europe's second hottest after July 2018.

https://www.bbc.com/news/world-us-canada-58208792

For easy conversion to C and some bonus records.
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Re: Temperature records (data)
« Reply #34 on: August 27, 2021, 09:14:22 AM »
Climate change: Europe's 2020 heat reached 'troubling' level

Last year was the warmest on record across Europe, breaking the previous high mark by a considerable distance, say scientists.

Temperatures across the region were more than 1.9C above the long-term average between 1981 and 2010.

...

This new data shows that Europe's temperature margin over previous years was significantly greater than previously thought.

Not only was the year 1.9C above the long-term average, it was more than 0.5C greater than the previous high mark.

...

"This level of difference to the previous long-term average, which is a large difference, is something that is concerning," said Dr Robert Dunn, a senior climate scientist at the UK Met Office.

...

"The amount by which the previous record has been exceeded should worry us all," said Prof Gabi Hegerl, professor of climate system science at the University of Edinburgh, who was not involved with the study.

"European temperatures are well measured and can be tracked back to the beginning of industrialisation and beyond, using documentary evidence and proxy records. This long-term context emphasises how unusual this warmth is."

The warmth across Europe brought huge temperature differences from the long-term average in some countries with Estonia, Finland and Latvia all recording anomalies of 2.4C.

....

One other area of the world experiencing rapid warming is the Arctic.

Temperatures over land reached worrying new heights, getting to 2.1C above the 1981-2010 average. This was the highest since the series of records began 121 years ago.

https://www.bbc.com/news/science-environment-58333124
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Re: Temperature records (data)
« Reply #35 on: September 06, 2021, 11:44:58 AM »
Climate Change Pushes New Zealand to Warmest Recorded Winter
https://phys.org/news/2021-09-climate-zealand-warmest-winter.html

The southern winter that just ended in New Zealand was the warmest ever recorded, and scientists say that climate change is driving temperatures ever higher.

For the three months through August, the average temperature was 9.8 Celsius (50 Fahrenheit), according to New Zealand's National Institute of Water and Atmospheric Research.

That's 1.3C above the long-term average and 0.2C higher than the previous record posted in 2020. Scientists have been keeping records for 111 years, since 1909, but most of the warmest winters have been recent.
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Niall Dollard

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Re: Temperature records (data)
« Reply #36 on: September 13, 2021, 06:35:14 PM »
Oymyakon. Long known as the coldest permanently inhabited place on earth has set two date records for minimum temperature this month.

September 10th : -14.8° C
September 12th : -13.1° C.

Hard to know what to make of this, if anything, in a fast changing climate.

The diurnal ranges were large (Max of +14.4° C on the 12th). So likely deep radiational cooling.

Records back to 1943.

be cause

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Re: Temperature records (data)
« Reply #37 on: October 05, 2021, 01:49:26 AM »
Just to note that N.Ireland had it's warmest September on record.
2007 + 5 = 2012 + 4 = 2016 + 3 = 2019 + 2 = 2021 + 1 .. you gotta laugh .. :)

kassy

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  • Young ice
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Re: Temperature records (data)
« Reply #38 on: October 05, 2021, 02:44:00 PM »
Additional numbers would be nice.
Þetta minnismerki er til vitnis um að við vitum hvað er að gerast og hvað þarf að gera. Aðeins þú veist hvort við gerðum eitthvað.