259
CXUS55 KMSO 102137
CLMBTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
237 PM MST FRI JAN 10 2025
...............................
..THE BUTTE MT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 66 12/27/1917
LOW -52 12/23/1983
HIGHEST 54 12/07 MM MM 54
LOWEST 4 12/31 MM MM -15
AVG. MAXIMUM 39.5 30.7 8.8 38.4
AVG. MINIMUM 17.4 7.2 10.2 12.2
MEAN 28.5 19.0 9.5 25.3
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 5 16.8 -11.8 10
DAYS MIN <= 32 31 30.5 0.5 29
DAYS MIN <= 0 0 9.6 -9.6 5
PRECIPITATION (INCHES)
RECORD
MAXIMUM 1.99 1996
MINIMUM 0.02 1918
TOTALS 0.24 0.48 -0.24 0.31
DAILY AVG. 0.01 0.02 -0.01 0.01
DAYS >= .01 6 7.2 -1.2 6
DAYS >= .10 0 1.3 -1.3 1
DAYS >= .50 0 0.1 -0.1 0
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.10 12/29 TO 12/30 0.16
DEGREE DAYS
HEATING TOTAL 1127 1427 -300
SINCE 7/1 3206 3882 -676
COOLING TOTAL 0 0 0
SINCE 1/1 127 83 44
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WIND (MPH)
AVERAGE WIND SPEED 3.9
HIGHEST WIND SPEED/DIRECTION 36/270 DATE 12/18
HIGHEST GUST SPEED/DIRECTION 51/260 DATE 12/18
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.50
NUMBER OF DAYS FAIR 11
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 10
AVERAGE RH (PERCENT) 67
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 3 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 11 SLEET 0
FOG 11 FOG W/VIS <= 1/4 MILE 0
HAZE 5
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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