I'm gonna update the missing weekly NSIDC extent reports from April 9th, so sorry for the spamming to follow!
Update for the week to April 9th
The current 5 day mean is on 13,969,500km2 while the 1 day extent is at 13,870,000km2.
The daily anomaly (compared to 81-10) is at -1,057,960km2, a decrease from -1,063,590km2 last week. The anomaly compared to the 07, 11 and 12 average is at -477,130km2, an increase from -453,470km2 last week. We're currently lowest on record, the same as last week.
The average daily change over the last 7 days was -32.3k/day, compared to the long term average of -32.7k/day, and the 07, 11 and 12 average of -28.5k/day.
The average long term change over the next week is -40.4k/day, with the 07, 11, and 12 average being -29.1k/day.
The extent drop so far this April is the 12th largest record. To achieve the largest monthly loss, a drop of at least 60.6k/day is required, while the smallest loss requires a drop of less than 16.7k/day and an average loss requires a drop of 35.8k/day.