541
CXUS53 KBIS 011715
CLMBIS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BISMARCK, ND
1215 PM CDT WED OCT 01 2025
...............................
..THE BISMARCK ND CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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
............................................................
TEMPERATURE (F)
RECORD
HIGH 105 09/08/1959
09/07/1931
LOW 10 09/30/1876
HIGHEST 91 09/12 97 09/29
LOWEST 35 09/07 35 09/22
AVG. MAXIMUM 77.1 73.4 3.7 83.6
AVG. MINIMUM 51.4 45.9 5.5 50.9
MEAN 64.3 59.7 4.6 67.3
DAYS MAX >= 90 2 1.9 0.1 8
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 1.6 -1.6 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 6.93 1977
MINIMUM 0.02 1948
TOTALS 4.14 1.72 2.42 0.21
DAILY AVG. 0.14 0.06 0.08 0.01
DAYS >= .01 10 7.3 2.7 7
DAYS >= .10 6 3.1 2.9 0
DAYS >= .50 2 0.9 1.1 0
DAYS >= 1.00 1 0.4 0.6 0
GREATEST
24 HR. TOTAL 2.48 09/13 TO 09/14 0.09
SNOWFALL (INCHES)
RECORDS
TOTAL 5.0 5
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 T 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 MM
DEGREE DAYS
HEATING TOTAL 87 204 -117
SINCE 7/1 120 254 -134
COOLING TOTAL 72 44 28
SINCE 1/1 589 534 55
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WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 44/330 DATE 09/04
HIGHEST GUST SPEED/DIRECTION 67/310 DATE 09/04
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
NUMBER OF DAYS FAIR 20
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 4
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 6
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 13 FOG W/VIS <= 1/4 MILE 2
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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