509
CXUS53 KBIS 011439
CLMBIS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BISMARCK, ND
839 AM CST THU JAN 01 2026
...............................
..THE BISMARCK ND CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1875 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 66 12/06/1939
LOW -43 12/31/1967
HIGHEST 48 12/16 51 12/08
LOWEST -19 12/07 -12 12/20
AVG. MAXIMUM 28.0 27.7 0.3 31.5
AVG. MINIMUM 5.6 8.1 -2.5 12.4
MEAN 16.8 17.9 -1.1 21.9
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 19 18.7 0.3 17
DAYS MIN <= 32 31 30.9 0.1 31
DAYS MIN <= 0 11 8.6 2.4 3
PRECIPITATION (INCHES)
RECORD
MAXIMUM 2.06 2016
MINIMUM 0.00 1944
TOTALS 0.81 0.60 0.21 0.40
DAILY AVG. 0.03 0.02 0.01 0.01
DAYS >= .01 9 7.7 1.3 9
DAYS >= .10 5 1.8 3.2 1
DAYS >= .50 0 0.1 -0.1 0
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.19 12/09 TO 12/09 0.21
12/06 TO 12/06
SNOWFALL (INCHES)
RECORDS
TOTAL 33.3 2008
TOTALS 8.9 10.1 -1.2 5.4
SINCE 7/1 19.0 20.6 -1.6 MM
SNOWDEPTH AVG. 4 1
DAYS >= 1.0 4 2.8 1.2 2
GREATEST
SNOW DEPTH 10 12/08 4 12/21
24 HR TOTAL MM 2.0
DEGREE DAYS
HEATING TOTAL 1486 1460 26
SINCE 7/1 2966 3391 -425
COOLING TOTAL 0 0 0
SINCE 1/1 598 536 62
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WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 41/320 DATE 12/09
41/330 12/18
HIGHEST GUST SPEED/DIRECTION 62/340 DATE 12/18
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
NUMBER OF DAYS FAIR 9
NUMBER OF DAYS PC 12
NUMBER OF DAYS CLOUDY 10
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 3 FREEZING RAIN 0
LT FREEZING RAIN 3 HAIL 0
HEAVY SNOW 0 SNOW 3
LIGHT SNOW 13 SLEET 0
FOG 17 FOG W/VIS <= 1/4 MILE 4
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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