Climatological Report (Daily)
Issued by NWS Duluth, MN

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847
CDUS43 KDLH 120645
CLIDLH

CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
145 AM CDT SUN OCT 12 2025

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

...THE DULUTH CLIMATE SUMMARY FOR OCTOBER 11 2025...

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)
 YESTERDAY
  MAXIMUM         60   2:30 PM  84    2015  55      5       67
  MINIMUM         34   4:18 AM  21    1919  38     -4       44
                                      1936
  AVERAGE         47                        46      1       56

PRECIPITATION (IN)
  YESTERDAY        0.00          1.30 1881   0.09  -0.09     0.00
  MONTH TO DATE    0.10                      1.15  -1.05     0.01
  SINCE SEP 1      2.63                      4.63  -2.00     0.32
  SINCE JAN 1     17.91                     25.99  -8.08    22.68

SNOWFALL (IN)
  YESTERDAY        0.0           1.0  1917   0.1   -0.1      0.0
                                      2018
  MONTH TO DATE    0.0                       0.3   -0.3      0.0
  SINCE SEP 1      0.0                       0.4   -0.4      0.0
  SINCE JUL 1      0.0                       0.4   -0.4      0.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY       18                        19     -1        9
  MONTH TO DATE  115                       181    -66      131
  SINCE SEP 1    300                       435   -135      212
  SINCE JUL 1    420                       549   -129      265

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   11                         0     11        0
  SINCE SEP 1     26                        21      5       70
  SINCE JAN 1    246                       254     -8      308
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     7.6


SKY COVER
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           3:00 AM
 LOWEST     45           1:00 PM
 AVERAGE    73

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


THE DULUTH CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   55        81      1995
 MINIMUM TEMPERATURE (F)   37        18      1936
                                             1988


SUNRISE AND SUNSET
OCTOBER 12 2025.......SUNRISE   7:23 AM CDT   SUNSET   6:27 PM CDT
OCTOBER 13 2025.......SUNRISE   7:24 AM CDT   SUNSET   6:25 PM CDT


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




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