Wednesday, June 1, 2011

MAY 2011 CLIMATE DATA

May 2011 Climate Data for Duluth, Minnesota (Airport location)

Average monthly temperature:  49.7 degrees
Normal:  51.8 degrees
Departure from average:  -2.1 degrees

Warmest high temperature:  75 degrees on the 11th
Warmest low temperature:  51 degrees on the 23rd

Coldest high temperature:  40 degrees on the 2nd
Coldest low temperature:  27 degrees on the 2nd

Number of days with a high temperature of at least 60 degrees:  10
Number of days with a high temperature of at least 70 degrees:    5
Number of days with a minimum temperature of 32 degrees or colder:  3

Monthly precipitation total:  2.27"
Normal:  2.95"
Departure from average:  -0.68"

Heaviest daily precipitation total:  0.54" on the 30th

Number of days with at least 0.01" of precipitation:  12
Number of days with at least 0.10" of precipitation:    6
Number of days with at least 0.50" of precipitation:    2

21 days had at least a trace of precipitation

Monthly snowfall total:  Trace
Normal:  0.3"
Departure from average:  -0.3"

2 days had at least a trace of snow

Thunderstorm days:  4

May 2010 Climate Data for Duluth, Minnesota (Airport location)

Average temperature:  53.8 degrees/2.0 degrees above average

1 day with a high temperature of at least 60 degrees
14 days with a high temperature of at least 70 degrees
2 days with a high temperature of at least 80 degrees
5 days with a minimum temperature of 32 degrees or colder

Precipitation total:  5.95"/3.00" above average
Snowfall total:  4.5"/4.5" above average

4 thunderstorm days

Tim