Climatological Report (Daily)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
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CDUS45 KMSO 202231
CLIBTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
431 PM MDT WED AUG 20 2025
...................................
...THE BUTTE MT CLIMATE SUMMARY FOR AUGUST 20 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 87 221 PM 91 1973 79 8 86
MINIMUM 50 552 AM 31 1938 43 7 43
AVERAGE 69 61 8 65
PRECIPITATION (IN)
TODAY 0.00 0.69 1923 0.04 -0.04 0.00
MONTH TO DATE 0.48 0.84 -0.36 0.83
SINCE JAN 1 7.83 9.33 -1.50 5.95
SNOWFALL (IN)
TODAY MM
MONTH TO DATE MM
SINCE JUN 1 MM
SINCE JUL 1 MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 5 -5 0
MONTH TO DATE 62 58 4 43
SINCE JUN 1 373 439 -66 357
SINCE JUL 1 120 149 -29 113
COOLING
TODAY 4 0 4 0
MONTH TO DATE 16 25 -9 30
SINCE JUN 1 54 79 -25 125
SINCE JAN 1 54 79 -25 125
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 3.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 600 AM
LOWEST 18 200 PM
AVERAGE 46
..........................................................
THE BUTTE MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 92 2009
MINIMUM TEMPERATURE (F) 43 29 1966
SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE 636 AM MDT SUNSET 829 PM MDT
AUGUST 21 2025........SUNRISE 638 AM MDT SUNSET 828 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$