Climatological Report (Monthly)
Issued by NWS Duluth, MN

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000
CXUS53 KDLH 031730
CLMDLH

CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
1130 AM CST WED JAN 03 2024

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

...THE DULUTH CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1870 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             56   12/06/1939
 LOW             -35   12/28/1917
HIGHEST           49   12/14         MM      MM       35  12/02
                                                          12/29
LOWEST             8   12/18         MM      MM      -18  12/21
AVG. MAXIMUM    35.6               24.7    10.9     20.8
AVG. MINIMUM    24.5                9.6    14.9      7.1
MEAN            30.1               17.1    13.0     14.0
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     8               23.8   -15.8       27
DAYS MIN <= 32    24               30.5    -6.5       31
DAYS MIN <= 0      0                8.4    -8.4       12

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.89   1879
 MINIMUM        0.07   1905
TOTALS          3.17               1.47    1.70     3.27
DAILY AVG.      0.10               0.05    0.05     0.11
DAYS >= .01       10               10.7    -0.7       17
DAYS >= .10        7                3.7     3.3        8
DAYS >= .50        3                0.9     2.1        2
DAYS >= 1.00       0                0.1    -0.1        0
GREATEST
 24 HR. TOTAL   0.95   12/24 TO 12/25

SNOWFALL (INCHES)
RECORDS
 TOTAL          44.9   2022
TOTALS           4.8               18.7   -13.9     44.9
SINCE 7/1        7.8               35.6   -27.8       MM
SNOWDEPTH AVG.     0                                  15
DAYS >= 1.0        1                5.1    -4.1        9
GREATEST
 SNOW DEPTH        1   12/20                          27  12/17
                       12/27
                       12/31
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL   1078               1483    -405     1577
 SINCE 7/1      2935               3553    -618       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       290                255      35       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.3
HIGHEST WIND SPEED/DIRECTION    29/070    DATE  12/25
                                29/080          12/26
HIGHEST GUST SPEED/DIRECTION    45/320    DATE  12/17
                                45/070          12/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.75
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY         20

AVERAGE RH (PERCENT)     79

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               16     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE      7
HAZE                      1

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

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