924
CXUS55 KMSO 021819
CLMBTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
1119 AM MST TUE JAN 02 2024
...............................
..THE BUTTE MT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2023
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 12/05 MM MM 49
12/06
LOWEST -15 12/25 MM MM -40
AVG. MAXIMUM 38.4 30.7 7.7 29.0
AVG. MINIMUM 12.2 7.2 5.0 4.4
MEAN 25.3 19.0 6.3 16.7
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 10 16.8 -6.8 17
DAYS MIN <= 32 29 30.5 -1.5 31
DAYS MIN <= 0 5 9.6 -4.6 12
PRECIPITATION (INCHES)
RECORD
MAXIMUM 1.99 1996
MINIMUM 0.02 1918
TOTALS 0.31 0.48 -0.17 0.47
DAILY AVG. 0.01 0.02 -0.01 0.02
DAYS >= .01 6 7.2 -1.2 8
DAYS >= .10 1 1.3 -0.3 2
DAYS >= .50 0 0.1 -0.1 0
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.16 12/23 TO 12/23 0.17
DEGREE DAYS
HEATING TOTAL 1223 1427 -204
SINCE 7/1 3396 3882 -486
COOLING TOTAL 0 0 0
SINCE 1/1 73 83 -10
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WIND (MPH)
AVERAGE WIND SPEED 3.1
HIGHEST WIND SPEED/DIRECTION 25/300 DATE 12/23
HIGHEST GUST SPEED/DIRECTION 33/330 DATE 12/08
33/300 12/23
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.40
NUMBER OF DAYS FAIR 17
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 5
AVERAGE RH (PERCENT) 69
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 1 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 3
LIGHT SNOW 7 SLEET 0
FOG 10 FOG W/VIS <= 1/4 MILE 2
HAZE 7
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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