Climatological Report (Annual) Issued by NWS Duluth, MN
000
CXUS53 KDLH 040056
CLADLH
CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
637 PM CST SUN JAN 03 2021
...................................
...THE DULUTH CLIMATE SUMMARY FOR THE YEAR OF 2020...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1870 TO 2021
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 106 07/13/1936
LOW -41 01/02/1885
HIGHEST 93 07/02 MM MM 89 07/15
07/03
07/12
LOWEST -21 02/13 MM MM -31 01/31
AVG. MAXIMUM 50.5 48.8 1.7 48.9
AVG. MINIMUM 32.1 30.5 1.6 31.0
MEAN 41.3 39.7 1.6 39.9
DAYS MAX >= 90 2 1.5 0.5 0
DAYS MAX <= 32 103 98.2 4.8 105
DAYS MIN <= 32 192 176.7 15.3 174
DAYS MIN <= 0 25 39.1 -14.1 47
PRECIPITATION (INCHES)
RECORD
MAXIMUM 45.28 1879
MINIMUM 18.11 1910
TOTALS 21.26 30.96 -9.70 34.34
DAILY AVG. 0.06 0.08 -0.02 0.09
DAYS >= .01 110 131.4 -21.4 149
DAYS >= .10 51 64.5 -13.5 80
DAYS >= .50 12 18.5 -6.5 20
DAYS >= 1.00 3 6.1 -3.1 6
GREATEST
24 HR. TOTAL 1.48
SNOWFALL (INCHES)
RECORDS
TOTAL 137.2 5
24 HR TOTAL 25.4 12/05/1950 TO 12/06/1950
SNOW DEPTH 48 03/19/1965
TOTALS 83.6 86.1 -2.5 129.6
SINCE 7/1 47.7 33.8 13.9 MM
SNOWDEPTH AVG. 7 6
DAYS >= TRACE 120 60.6 59.4 133
DAYS >= 1.0 26 2.6
GREATEST
SNOW DEPTH 28 01/21 27 03/10
01/20
01/19
02/24
02/21
24 HR TOTAL 19.2
DEGREE DAYS
HEATING TOTAL 8917 9444 -527 9336
SINCE 7/1 3524 3771 -247 MM
COOLING TOTAL 357 205 152 342
SINCE 1/1 357 204 153 342
FREEZE DATES
RECORD
EARLIEST 08/27/1986
LATEST 06/21/1992
EARLIEST 09/17
LATEST 04/25
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WIND (MPH)
AVERAGE WIND SPEED 9.8
RESULTANT WIND SPEED/DIRECTION 2/280
HIGHEST WIND SPEED/DIRECTION 37/350 DATE 12/23
HIGHEST GUST SPEED/DIRECTION 55/350 DATE 12/23
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.47
NUMBER OF DAYS FAIR 150
NUMBER OF DAYS PC 123
NUMBER OF DAYS CLOUDY 93
AVERAGE RH (PERCENT) 68
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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