Wednesday, July 20, 2011

90º+ High Temp Streaks At The West Lafayette COOP (1901-1963)

Day three of this heat wave came in with a high temperature of 97º yesterday. The next three days, including today, look to be our best chances at seeing a 100º temperature. Not saying it's a lock to happen, as nothing is ever a lock in weather. But the variables are lining up to give us our best chance at getting to the century mark for the first time since July 30, 1999. Looking ahead, a couple of the weather models have a little reprieve from the heat and humidity for next Monday and Tuesday (80's with lower dewpoints in the 60's). Hopefully that actually happens to give everyone a break. Beyond that, in fantasy land, the heat ridge comes roaring back.

Consecutive days of 90º+ high temperatures at the West Lafayette COOP, from 1901 to 1963.

Note: I'm not saying the temperature records of the early-mid 20th century are completely wrong, but I think there is some question to the quality and accuracy of past readings...especially at COOP sites. Regardless, here are the top consecutive 90º+ days at the WL COOP. In total, there were 43 instances of 90º+ streaks of at least 7 consecutive days.

21 days: July 10-30, 1901 (peak temp of 104º three days)
20 days: August 7-26, 1936 (peak temp of 101º two days)
19 days: July 25-August 12, 1935 (peak temp of 98º)
19 days: July 18-August 5, 1940 (peak temp of 101º)
18 days: July 30-August 16, 1944 (peak temp of 98º)
17 days: June 29-July 15, 1921 (peak temp of 98º two days)
17 days: June 16-July 2, 1933 (peak temp of 99º four times)
16 days: July 25-August 9, 1931 (peak temp of 99º)
16 days: July 14-29, 1934 (peak temp of 110º two times)
16 days: July 3-18, 1936 (peak temp of 111º)

And the longest streak of days with a high temp of 100º+...
13 days: July 5-17, 1936...104º, 103º, 108º, 109º, 103º, 107º, 108º, 110º, 110º, 111º, 105º, 101º, 103º

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