359
CXUS53 KDLH 012019
CLMDLH

CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
319 PM CDT THU OCT 01 2026

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

...THE DULUTH CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1870 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             97   09/03/2023
 LOW              22   09/22/1974
                       09/26/1965
                       09/20/1962
HIGHEST           81   09/01         MM      MM       85  09/16
LOWEST            39   09/14         MM      MM       36  09/06
AVG. MAXIMUM    68.1               67.2     0.9     67.3
AVG. MINIMUM    50.8               47.3     3.5     50.9
MEAN            59.4               57.2     2.2     59.1
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                1.1    -1.1        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       11.52   1881
 MINIMUM        0.19   1952
TOTALS          3.45               3.48   -0.03     2.53
DAILY AVG.      0.12               0.12    0.00     0.08
DAYS >= .01       11               11.6    -0.6       10
DAYS >= .10        7                6.7     0.3        7
DAYS >= .50        2                2.0     0.0        1
DAYS >= 1.00       1                0.8     0.2        0
GREATEST
 24 HR. TOTAL   1.52   09/03 TO 09/04

SNOWFALL (INCHES)
RECORDS
 TOTAL           2.4   1991
TOTALS           0.0                0.1    -0.1      0.0
SINCE 7/1        0.0                0.1    -0.1       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL     0.0

DEGREE DAYS
HEATING TOTAL    185                254     -69      185
 SINCE 7/1       220                366    -146       MM
COOLING TOTAL     26                 21       5       15
 SINCE 1/1       303                254      49       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.6
HIGHEST WIND SPEED/DIRECTION    26/290    DATE  09/09
HIGHEST GUST SPEED/DIRECTION    40/280    DATE  09/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.49
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     79

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      4
HAZE                      1

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

$$