872
CXUS53 KFGF 012238
CLMGFK
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND FORKS
429 PM CDT WED OCT 01 2025
...............................
...THE GRAND FORKS INTL AP ND CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1941 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 103 09/02/1983
LOW 18 09/28/1942
HIGHEST 89 09/29 69 20 88 09/16
09/26
09/29
LOWEST 32 09/07 44 -12 39 09/22
AVG. MAXIMUM 75.2 70.4 4.8 80.1
AVG. MINIMUM 50.6 45.3 5.3 53.9
MEAN 62.9 57.9 5.0 67.0
DAYS MAX >= 90 0 0.9 -0.9 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 1 1.4 -0.4 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.14 2019
MINIMUM 0.20 2012
TOTALS 1.95 2.26 -0.31 0.43
DAILY AVG. 0.07 0.08 -0.01 0.01
DAYS >= .01 9 8.6 0.4 5
DAYS >= .10 6 4.1 1.9 2
DAYS >= .50 1 1.3 -0.3 0
DAYS >= 1.00 0 0.6 -0.6 0
GREATEST
24 HR. TOTAL 0.57 09/19 TO 09/19
SNOWFALL (INCHES)
RECORDS
TOTAL 0.2 1991
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 MM
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0 MM
24 HR TOTAL MM
DEGREE DAYS
HEATING TOTAL 120 244 -124 48
SINCE 7/1 161 321 -160 MM
COOLING TOTAL 61 29 32 117
SINCE 1/1 532 381 151 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.7
HIGHEST WIND SPEED/DIRECTION 29/190 DATE 09/15
HIGHEST GUST SPEED/DIRECTION 53/210 DATE 09/14
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.46
NUMBER OF DAYS FAIR 11
NUMBER OF DAYS PC 15
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 6 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 4
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 17 FOG W/VIS <= 1/4 MILE 3
HAZE 11
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
THE MONTH OF AUGUST AT THE GRAND FORKS INTERNATIONAL AIRPORT WAS
ABOVE NORMAL IN TEMPERATURE AND BELOW NORMAL IN PRECIPITATION.
THE AVERAGE TEMPERATURE FOR THE MONTH WAS 62.9 DEGREES, WHICH WAS
5.0 DEGREES ABOVE NORMAL. THIS IS THE 5TH WARMEST AVERAGE
TEMPERATURE ON RECORD FOR THE MONTH OF SEPTEMBER. A DAILY RECORD
HIGH MAXIMUM TEMPERATURE OF 89 DEGREES WAS SET SEPTEMBER 29TH.
DESPITE THE WARMER THAN NORMAL TEMPERATURES, AN EARLY SEASON COOL
SPELL BROUGHT FREEZING TEMPERATURES OF 32 DEGREES ON SEPTEMBER 7TH,
THE 9TH EARLIEST FREEZE ON RECORD. THIS 32 DEGREES ALSO SET A DAILY
RECORD LOW MINIMUM TEMPERATURE SEPTEMBER 7TH. THE EARLY SEASON COOL
SPELL ALSO RESULTED IN DAILY MAXIMUM TEMPERATURE OF 49 DEGREES
SEPTEMBER 4TH, WHICH WAS THE EARLIEST DATE WHEN THE HIGH TEMPERATURE
WAS BELOW 50 DEGREES DURING THE AUTUMN MONTHS OF SEPTEMBER AND
OCTOBER.
PRECIPITATION FOR THE MONTH WAS 1.95 INCHES, WHICH WAS 0.31 INCHES
BELOW NORMAL. NO DAILY PRECIPITATION RECORDS WERE SET FOR THE MONTH.
THIS DATA IS PROVISIONAL AND SUBJECT TO CHANGE. THE FINAL AND
OFFICIAL RECORDS WILL BE AVAILABLE FROM THE NATIONAL CENTERS FOR
ENVIRONMENTAL INFORMATION (NCEI).
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