Climatological Report (Daily)
Issued by NWS Duluth, MN

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948
CDUS43 KDLH 152237
CLIDLH

CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
437 PM CST MON DEC 15 2025

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

...THE DULUTH CLIMATE SUMMARY FOR DECEMBER 15 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1870 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         19   3:34 PM  49    2021  25     -6       34
  MINIMUM          7  12:11 AM -25    1919  10     -3       30
                                      1926
  AVERAGE         13                        17     -4       32

PRECIPITATION (IN)
  TODAY            T             0.80 2023   0.04  -0.04     0.03
  MONTH TO DATE    0.36                      0.75  -0.39     0.52
  SINCE DEC 1      0.36                      0.75  -0.39     0.52
  SINCE JAN 1     20.00                     30.46 -10.46    27.18

SNOWFALL (IN)
  TODAY            T            10.8  2022   0.6   -0.6      0.0
  MONTH TO DATE    5.4                       9.0   -3.6      3.4
  SINCE JUL 1     22.1                      25.9   -3.8     10.5
  SNOW DEPTH      10

DEGREE DAYS
 HEATING
  TODAY           52                        48      4       33
  MONTH TO DATE  877                       679    198      711
  SINCE DEC 1    877                       679    198      711
  SINCE JUL 1   2705                      2750    -45     2203

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    246                       255     -9      308
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     8.5


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           7:00 AM
 LOWEST     62           3:00 PM
 AVERAGE    69

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


THE DULUTH CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   24        50      1913
 MINIMUM TEMPERATURE (F)    9       -28      1876


SUNRISE AND SUNSET
DECEMBER 15 2025......SUNRISE   7:47 AM CST   SUNSET   4:21 PM CST
DECEMBER 16 2025......SUNRISE   7:48 AM CST   SUNSET   4:21 PM CST


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




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