788
CXUS53 KDLH 011507
CLMDLH

CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
1007 AM CDT SUN JUN 01 2025

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

...THE DULUTH CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...

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

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             95   05/30/1939
 LOW              16   05/03/1907
HIGHEST           87   05/11         MM      MM       81  05/18
LOWEST            30   05/03         MM      MM       33  05/21
AVG. MAXIMUM    66.0               63.0     3.0     63.5
AVG. MINIMUM    40.5               41.0    -0.5     42.7
MEAN            53.3               52.0     1.3     53.1
DAYS MAX >= 90     0                0.1    -0.1        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     3                3.6    -0.6        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.99   1879
 MINIMUM        0.15   1976
TOTALS          1.48               3.37   -1.89     4.15
DAILY AVG.      0.05               0.11   -0.06     0.13
DAYS >= .01        8               12.7    -4.7       18
DAYS >= .10        4                7.3    -3.3       10
DAYS >= .50        1                2.1    -1.1        2
DAYS >= 1.00       0                0.5    -0.5        1
GREATEST
 24 HR. TOTAL   0.79   05/01 TO 05/02

SNOWFALL (INCHES)
RECORDS
 TOTAL          13.3   2019
TOTALS             T                0.8    -0.8        T
SINCE 7/1       55.5               90.2   -34.7       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.2    -0.2        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL    366                410     -44      364
 SINCE 7/1      8297               8964    -667       MM
COOLING TOTAL     11                  7       4        1
 SINCE 1/1        11                  7       4       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.3
HIGHEST WIND SPEED/DIRECTION    36/080    DATE  05/20
HIGHEST GUST SPEED/DIRECTION    53/090    DATE  05/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.37
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      1
FOG                       9     FOG W/VIS <= 1/4 MILE      3
HAZE                      3

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

$$