Climatological Report (Monthly)
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
208
CXUS53 KDLH 012002
CLMINL
CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
302 PM CDT THU OCT 01 2026
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...THE INTERNATIONAL FALLS CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1895 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 96 09/07/1906
LOW 19 09/15/2011
HIGHEST 83 09/06 MM MM 83 09/15
09/16
LOWEST 27 09/22 MM MM 29 09/07
AVG. MAXIMUM 68.5 66.4 2.1 70.3
AVG. MINIMUM 45.8 42.0 3.8 46.0
MEAN 57.2 54.2 3.0 58.2
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 3
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 7.36 1961
MINIMUM 0.20 1897
TOTALS 3.41 3.00 0.41 1.40
DAILY AVG. 0.11 0.10 0.01 0.05
DAYS >= .01 11 12.2 -1.2 8
DAYS >= .10 7 6.1 0.9 2
DAYS >= .50 4 1.7 2.3 1
DAYS >= 1.00 0 0.6 -0.6 1
GREATEST
24 HR. TOTAL 0.80 09/28 TO 09/29
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 MM
DEGREE DAYS
HEATING TOTAL 247 336 -89 216
SINCE 7/1 363 527 -164 MM
COOLING TOTAL 16 12 4 17
SINCE 1/1 272 174 98 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.7
HIGHEST WIND SPEED/DIRECTION 28/290 DATE 09/15
HIGHEST GUST SPEED/DIRECTION 41/280 DATE 09/15
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.48
NUMBER OF DAYS FAIR 11
NUMBER OF DAYS PC 13
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 78
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 5 RAIN 7
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 21 FOG W/VIS <= 1/4 MILE 2
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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