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

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521
CXUS53 KFGF 012230
CLMGFK

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND FORKS
527 PM CDT MON JUN 01 2026

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

...THE GRAND FORKS INTL AP ND CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1941 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            101   05/21/1964
 LOW               5   05/03/1967
HIGHEST           94   05/28         70      24       99  05/11
LOWEST            21   05/01         44     -23       35  05/02
                       05/07
                                                          05/07
AVG. MAXIMUM    68.9               66.9     2.0     74.7
AVG. MINIMUM    40.3               41.4    -1.1     44.9
MEAN            54.6               54.1     0.5     59.8
DAYS MAX >= 90     4                0.4     3.6        4
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32    11                4.3     6.7        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.74   2004
 MINIMUM        0.14   1967
TOTALS          1.78               2.80   -1.02     1.75
DAILY AVG.      0.06               0.09   -0.03     0.06
DAYS >= .01        8               10.7    -2.7        7
DAYS >= .10        4                5.7    -1.7        4
DAYS >= .50        1                2.0    -1.0        1
DAYS >= 1.00       0                0.6    -0.6        0
GREATEST
 24 HR. TOTAL   0.82   05/17 TO 05/17

SNOWFALL (INCHES)
RECORDS
 TOTAL           1.2   1967
TOTALS             T                0.0     0.0        T
SINCE 7/1       35.8               48.4   -12.6       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.0     0.0       MM
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL       T

DEGREE DAYS
HEATING TOTAL    379                352      27      221
 SINCE 7/1      8745               9443    -698       MM
COOLING TOTAL     66                 15      51       69
 SINCE 1/1        66                 15      51       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.9
HIGHEST WIND SPEED/DIRECTION    38/180    DATE  05/14
HIGHEST GUST SPEED/DIRECTION    54/180    DATE  05/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.54
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     56

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                3     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      1
HAZE                      5

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

&&

REMEMBER, THIS DATA IS PROVISIONAL AND SUBJECT TO CHANGE. THE FINAL
AND OFFICIAL RECORDS WILL BE AVAILABLE FROM THE NATIONAL CENTERS FOR
ENVIRONMENTAL INFORMATION (NCEI).

$$