299
CDUS45 KMSO 200839
CLIBTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
139 AM MST SAT DEC 20 2025
...............................
..THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 19 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 45 928 AM 52 2004 30 15 41
MINIMUM 10 1118 PM -27 1945 6 4 17
AVERAGE 28 18 10 29
PRECIPITATION (IN)
YESTERDAY 0.10 0.60 1925 0.01 0.09 0.00
MONTH TO DATE 0.72 0.29 0.43 0.13
SINCE JAN 1 10.93 12.57 -1.64 7.70
SNOWFALL (IN)
YESTERDAY MM
MONTH TO DATE MM
SINCE DEC 1 MM
SINCE JUL 1 MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 37 47 -10 36
MONTH TO DATE 573 866 -293 694
SINCE DEC 1 573 866 -293 694
SINCE JUL 1 2444 3321 -877 2773
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 60 83 -23 127
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 9.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
SNOW
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1100 AM
LOWEST 55 900 AM
AVERAGE 76
......................................................
THE BUTTE MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 30 49 1958
MINIMUM TEMPERATURE (F) 6 -36 1998
SUNRISE AND SUNSET
DECEMBER 20 2025......SUNRISE 808 AM MST SUNSET 447 PM MST
DECEMBER 21 2025......SUNRISE 809 AM MST SUNSET 448 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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