418
CXUS53 KDLH 040945
CLMINL

CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
445 AM CDT SAT OCT 04 2025

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

...THE INTERNATIONAL FALLS CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1895 TO 2025

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           83   09/15         MM      MM       84  09/17
                       09/16
                                                          09/18
LOWEST            29   09/07         MM      MM       32  09/07
AVG. MAXIMUM    70.3               66.4     3.9     75.9
AVG. MINIMUM    46.0               42.0     4.0     48.7
MEAN            58.2               54.2     4.0     62.3
DAYS MAX >= 90     0                0.1    -0.1        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     3                4.6    -1.6        1
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.36   1961
 MINIMUM        0.20   1897
TOTALS          1.40               3.00   -1.60     3.58
DAILY AVG.      0.05               0.10   -0.05     0.12
DAYS >= .01        8               12.2    -4.2        7
DAYS >= .10        2                6.1    -4.1        4
DAYS >= .50        1                1.7    -0.7        2
DAYS >= 1.00       1                0.6     0.4        1
GREATEST
 24 HR. TOTAL   1.07   09/11 TO 09/12

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    216                336    -120      125
 SINCE 7/1       359                527    -168       MM
COOLING TOTAL     17                 12       5       51
 SINCE 1/1       223                174      49       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.7
HIGHEST WIND SPEED/DIRECTION    23/310    DATE  09/05
HIGHEST GUST SPEED/DIRECTION    39/270    DATE  09/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.42
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN               10     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      6
HAZE                      1

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

$$