Sunday, October 2, 2016

September 2016 climate summary for Duluth, Minnesota

September 2016 climate summary for Duluth, Minnesota

Average temperature:  59.9 degrees
Normal:  55.6 degrees
Departure:  +4.3 degrees above normal

Warmest high temperature:  80 F on the 5th
Warmest low temperature:  63 F on the 5th

Coldest high temperature:  51 F on the 27th
Coldest low temperature:  40 F on the 14th

13 days with a high temperature of 70 F or warmer - Average is 10 days
1 day with a high temperature of 80 F or warmer - Average is 2 days

Total precipitation:  3.52"
Normal:  4.11"
Departure:  -0.59" below normal

Heaviest daily precipitation total:  1.24" on the 5th

Number of days with at least 0.01" of precipitation:  15
Number of days with at least 0.10" of precipitation:  6
Number of days with at least 0.50" of precipitation:  3
Number of days with at least 1.00" of precipitation:  1

Total snowfall:  0.0"
Normal:  0.1"
Departure:  -0.1" below normal

Notes:

*6 thunderstorm days

*5th consecutive month with an above average monthly temperature (May-Sep)

September 2016 temperature departure map.  Source, Midwest Regional Climate Center.




















September 2016 precipitation departure map.  Source, Midwest Regional Climate Center.

Note:  The greatest departure from normal was across southern Minnesota and southern Wisconsin where some locations had rainfall totals that were 2-4 times above the normal last month.




















September 2015 climate summary for Duluth, Minnesota

Average temperature:  61.5 degrees
Departure:  +5.9 degrees above normal

Total precipitation:  6.81"
Departure:  +2.70" above normal

Total snowfall:  0.0"
Departure:  -0.1" below normal

18 days with a high temperature of 70 F or warmer
3 days with a high temperature of 80 F or warmer

6 days with a low temperature of 60 F or warmer
3 days with a low temperature of 40 F or colder

5 thunderstorm days

Tim