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

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).

$$