Climatological Report (Annual) Issued by NWS Duluth, MN
000
CXUS53 KDLH 030232
CLADLH
CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
755 PM CST SAT JAN 02 2021
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...THE DULUTH CLIMATE SUMMARY FOR THE YEAR OF 2020...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1870 TO 2020
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 49.5 48.8 0.7 48.9
AVG. MINIMUM 31.2 30.5 0.7 31.0
MEAN 40.3 39.7 0.6 39.9
DAYS MAX >= 90 2 1.5 0.5 0
DAYS MAX <= 32 103 98.2 4.8 105
DAYS MIN <= 32 184 176.7 7.3 174
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 >= .01 104 131.4 -27.4 149
DAYS >= .10 47 64.5 -17.5 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 8505 9444 -939 9336
SINCE 7/1 3524 3771 -247 MM
COOLING TOTAL 352 205 147 342
SINCE 1/1 352 204 148 342
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 9.7
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 0.48
NUMBER OF DAYS FAIR 137
NUMBER OF DAYS PC 111
NUMBER OF DAYS CLOUDY 87
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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