715
CDUS45 KMSO 210754
CLIBTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
154 AM MDT THU MAY 21 2026
...............................
..THE BUTTE MT CLIMATE SUMMARY FOR MAY 20 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 56 308 PM 83 1919 63 -7 55
MINIMUM 27 246 AM 23 2003 36 -9 35
AVERAGE 42 49 -7 45
PRECIPITATION (IN)
YESTERDAY 0.15 1.20 1902 0.07 0.08 0.00
MONTH TO DATE 0.22 1.10 -0.88 2.36
SINCE JAN 1 3.30 3.92 -0.62 4.80
SNOWFALL (IN)
YESTERDAY MM
MONTH TO DATE MM
SINCE MAR 1 MM
SINCE JUL 1 MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 23 16 7 20
MONTH TO DATE 360 381 -21 353
SINCE MAR 1 1928 2205 -277 2018
SINCE JUL 1 6912 8680 -1768 8032
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 6.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 1000 PM
LOWEST 29 100 PM
AVERAGE 61
......................................................
THE BUTTE MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 84 1919
MINIMUM TEMPERATURE (F) 36 12 1938
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 551 AM MDT SUNSET 902 PM MDT
MAY 22 2026...........SUNRISE 550 AM MDT SUNSET 904 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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