847
CXUS53 KBIS 021347
CLMXWA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BISMARCK, ND
847 AM CDT FRI OCT 02 2026

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

...THE WILLISTON BASIN AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD: 9999 TO 9999
CLIMATE RECORD PERIOD: 9999 TO 9999

WEATHER         OBSERVED
                VALUE   DATE(S)

................................
TEMPERATURE (F)
HIGHEST           89   09/06
LOWEST            40   09/12
AVG. MAXIMUM    72.0
AVG. MINIMUM    50.3
MEAN            61.2
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
TOTALS          2.31
DAILY AVG.      0.08
DAYS >= .01        9
DAYS >= .10        5
DAYS >= .50        2
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.83


DEGREE DAYS
HEATING TOTAL    161
 SINCE 7/1       185
COOLING TOTAL     52
 SINCE 1/1       551
................................

WIND (MPH)
AVERAGE WIND SPEED              11.8
HIGHEST WIND SPEED/DIRECTION    40/260    DATE  09/14
HIGHEST GUST SPEED/DIRECTION    60/260    DATE  09/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          4


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                3     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                      14     FOG W/VIS <= 1/4 MILE      6
HAZE                      0

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

$$