Climatological Report (Monthly)
Issued by NWS Duluth, MN

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000
CXUS53 KDLH 011931
CLMINL

CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
231 PM CDT SUN OCT 01 2023

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

...THE INTERNATIONAL FALLS CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1895 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             96   09/07/1906
 LOW              19   09/15/2011
HIGHEST           90   09/02         MM      MM       86  09/01
LOWEST            31   09/13         MM      MM       27  09/28
AVG. MAXIMUM    70.5               66.4     4.1     67.5
AVG. MINIMUM    47.7               42.0     5.7     44.7
MEAN            59.1               54.2     4.9     56.1
DAYS MAX >= 90     1                0.1     0.9        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     1                4.6    -3.6        2
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.36   1961
 MINIMUM        0.20   1897
TOTALS          3.14               3.00    0.14     2.36
DAILY AVG.      0.11               0.10    0.01     0.08
DAYS >= .01        9               12.2    -3.2       10
DAYS >= .10        6                6.1    -0.1        2
DAYS >= .50        2                1.7     0.3        2
DAYS >= 1.00       1                0.6     0.4        1
GREATEST
 24 HR. TOTAL   1.18   09/05 TO 09/05

SNOWFALL (INCHES)
RECORDS
 TOTAL           2.0   1912
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                0.1    -0.1        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL     0.0

DEGREE DAYS
HEATING TOTAL    185                336    -151      271
 SINCE 7/1       339                527    -188       MM
COOLING TOTAL     31                 12      19       14
 SINCE 1/1       224                174      50       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.9
HIGHEST WIND SPEED/DIRECTION    24/320    DATE  09/05
HIGHEST GUST SPEED/DIRECTION    36/220    DATE  09/01
                                36/330          09/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.49
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       6
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      8
HAZE                      9

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

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