Wednesday, June 27, 2012

Indianapolis: Driest June And Month On Record

20% chance of storms in the forecast for Friday and Saturday for Indianapolis. But we know how that'll end up. The sobering stats for Indianapolis below (period of record begins in 1871)...

Driest June On Record 
June 2012: 0.05" (through 6/26)
June 1988: 0.36"

Driest Month On Record
June 2012: 0.05" (through 6/26)
March 1910: 0.07"
November 1904: 0.11"
November 1917: 0.12"
October 1963: 0.17"
February 1907: 0.18"
October: 1934: 0.19"
February 1935: 0.20"
January 1944: 0.21"
October 1908: 0.23"
September 1963: 0.24"

Including today, measurable precipitation hasn't been observed at IND for 23 straight days.

0.65" of rainfall in the last 49 days, including today. During that time, it rained on only 5 of those days (0.02", 0.03", 0.10", 0.14", 0.36").



39 days without measurable precipitation is the record for Indianapolis. August 14 to September 21, 1908. That was only broken by the 0.01" that was recorded on 9/22, with the next four days recording no precipitation.

This June does have the record for the number of consecutive days without measurable precipitation in June. 



Taking this with a huge grain of salt because it's not a perfect predictor for obvious reasons, but interesting nonetheless, here's the total rainfall at IND for the respective 7-8 day periods (thru 180 hours) of the last four runs of the GFS weather model.

6/27 6z run: 0.56"
6/27 0z run: 0.29"
6/26 18z run: 0.53"
6/26 12z run: 0.80"
 

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