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000
CXUS53 KDLH 030232
CLADLH

CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
755 PM CST SAT JAN 02 2021

...................................

...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
................................................................

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.

$$