90 Degree Climatology for La Crosse and Rochester

Given the recent well above normal warmth, below are updated 90 degree climatology statistics through September 10th for La Crosse, WI and Rochester, MN.

La Crosse Wisconsin

90-Degree Climatology

   

Average First Occurrence

June 11

Average Last Occurrence

August 27

Average # of 90 Degree Days In A Year

15

 Average # of 90 Degree Days By Month

May (1) June (3) July (6) August (4) Sept (1)

Maximum Number In A Year

46 (1988)

Minimum Number In A Year

0 (1915)

Longest Stretch of 90 Degree Days

14 days (July 5 - 18, 1936)

Most Likely Day for 90 Degree Day

July 16 and 25 (38 times or 27% of POR)

2013 (Through Sept 10th)

First Occurrence: May 14 (92F)

Last Occurrence: Sept 10 (91F)

Total: 25

Highest Temperature: 98 (July 17 & 18)

2012 Summary

First Occurrence: May 19 (91F)

Last Occurrence: Sept 11 (90F)

Total: 37

Highest Temperature: 103 (July 4 & 6)

POR: Period of Record (Oct 1872 - Present)

Climate information reflects 90 degrees or greater


Rochester Minnesota

90-Degree Climatology

   

Average First Occurrence

June 12

Average Last Occurrence

August 17

Average # of 90 Degree Days In A Year

13

Average # of 90 Degree Days By Month

May (1) June (3) July (5) August (3) Sept (1)

Maximum Number In A Year

38 (1934)

Minimum Number In A Year

0 (2008)

Longest Stretch of 90 Degree Days

14 days (July 5 - 18, 1936)

Most Likely Day for 90 Degree Day

July 25 (22 times or 22% of POR)

2013 (Through Sept 10th)

First Occurrence: May 14 (97F)

Last Occurrence: Sept 9 (92F)

Total: 10

Highest Temperature: 97 (May 14)

2012 Summary

First Occurrence: May 18 (92F)

Last Occurrence: Sept 11 (91F)

Total: 21

Highest Temperature: 96 (July 6)

POR: Period of Record (July 1886- Present)

Climate information reflects 90 degrees or greater



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