Climatological Report (Monthly)
Issued by NWS Grand Forks, ND

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CXUS53 KFGF 012222
CLMFGF

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND FORKS
429 PM CDT WED OCT 01 2025

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

...THE GRAND FORKS UNIV. (NWS) ND CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            102   09/05/1978
 LOW              11   09/27/1893
HIGHEST           86   09/14         70      16       87  09/08
                       09/29
                                                          09/16
LOWEST            35   09/07         46     -11       42  09/22
AVG. MAXIMUM    74.2               69.7     4.5     78.8
AVG. MINIMUM    52.6               47.4     5.2     55.5
MEAN            63.4               58.5     4.9     67.2
DAYS MAX >= 90     0                0.6    -0.6        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.9    -0.9        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.07   2019
 MINIMUM        0.10   1897
TOTALS          1.85               2.42   -0.57     0.68
DAILY AVG.      0.06               0.08   -0.02     0.02
DAYS >= .01       10                8.7     1.3        7
DAYS >= .10        6                4.4     1.6        2
DAYS >= .50        0                1.5    -1.5        0
DAYS >= 1.00       0                0.5    -0.5        0
GREATEST
 24 HR. TOTAL   0.40   09/12 TO 09/12               0.37

SNOWFALL (INCHES)
RECORDS
 TOTAL           0.5   1972
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
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL    107                225    -118
 SINCE 7/1       144                289    -145
COOLING TOTAL     67                 32      35
 SINCE 1/1       534                429     105
................................................................

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER             MM
NUMBER OF DAYS FAIR            0
NUMBER OF DAYS PC              0
NUMBER OF DAYS CLOUDY          0


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       1     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

&&

THE MONTH OF SEPTEMBER AT THE GRAND FORKS UNIVERSITY (NWS) WAS ABOVE
NORMAL IN TEMPERATURE AND BELOW NORMAL IN PRECIPITATION.

THE AVERAGE TEMPERATURE FOR THE MONTH WAS 63.4 DEGREES, WHICH WAS
4.9 DEGREES ABOVE NORMAL. THIS IS THE 5TH WARMEST AVERAGE
TEMPERATURE ON RECORD FOR THE MONTH OF SEPTEMBER. DESPITE THE WARMER
THAN NORMAL TEMPERATURES, AN EARLY SEASON COOL SPELL BROUGHT A
RECORD LOW MAXIMUM TEMPERATURE AT THE GRAND FORKS UNIVERSITY/NWS
CLIMATE STATION ON THURSDAY SEPTEMBER 4TH. THIS ALSO WAS THE
EARLIEST DATE WHEN THE HIGH TEMPERATURE WAS BELOW 50 DEGREES DURING
THE AUTUMN MONTHS OF SEPTEMBER AND OCTOBER. SEE RERFGF TEXT PRODUCT
ISSUED ON FRIDAY SEPTEMBER 5TH FOR MORE INFORMATION.

PRECIPITATION FOR THE MONTH WAS 1.85 INCHES, WHICH WAS 0.57 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).

$$