Climatological Report (Annual)
Issued by NWS Duluth, MN

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530
CXUS53 KDLH 030232 RRA
CLAINL

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

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

...THE INTERNATIONAL FALLS CLIMATE SUMMARY FOR THE YEAR OF 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1895 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            103   07/22/1923
 LOW             -55   01/06/1909
HIGHEST           92   07/03         MM      MM       92  06/07
LOWEST           -33   01/11         MM      MM      -46  01/27
AVG. MAXIMUM    49.1               48.8     0.3     46.9
AVG. MINIMUM    25.7               26.2    -0.5     25.4
MEAN            37.4               37.5    -0.1     36.1
DAYS MAX >= 90     6                2.9     3.1        1
DAYS MAX <= 32   108              102.6     5.4      117
DAYS MIN <= 32   202              198.2     3.8      197
DAYS MIN <= 0     44               58.8   -14.8       61

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       32.79   2019
 MINIMUM       17.79   2006
TOTALS         21.44              24.22   -2.78    32.79
DAILY AVG.      0.06               0.07   -0.01     0.09
DAYS >= .01      125              128.0    -3.0      141
DAYS >= .10       51               54.9    -3.9       73
DAYS >= .50       12               12.9    -0.9       20
DAYS >= 1.00       2                3.4    -1.4        6
GREATEST
 24 HR. TOTAL   2.17

SNOWFALL (INCHES)
RECORDS
 TOTAL         109.5   2009
 24 HR TOTAL    14.1   01/10/1975
 SNOW DEPTH       34   02/22/2014
TOTALS          61.2               71.0    -9.8     79.5
SINCE 7/1       24.4               31.0    -6.6       MM
SNOWDEPTH AVG.     6                                   5
DAYS >= TRACE    108               58.9    49.1      119
DAYS >= 1.0       25                        2.8
GREATEST
 SNOW DEPTH       26   01/20                          26  02/24
                       01/19
 24 HR TOTAL     7.6   01/18 TO 01/18

DEGREE DAYS
HEATING TOTAL   9304              10222    -918    10556
 SINCE 7/1      3824               4175    -351       MM
COOLING TOTAL    242                193      49      179
 SINCE 1/1       242                192      50      179

FREEZE DATES
RECORD
 EARLIEST     08/20/1907
 LATEST       07/11/1911
EARLIEST                        09/08
LATEST                          04/30
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.8
RESULTANT WIND SPEED/DIRECTION   1/270
HIGHEST WIND SPEED/DIRECTION    37/320    DATE  07/15
HIGHEST GUST SPEED/DIRECTION    49/320    DATE  07/15

SKY COVER
AVERAGE SKY COVER           0.47

AVERAGE RH (PERCENT)     70


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$



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