256
CDUS45 KMSO 182230
CLIBTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
430 PM MDT THU SEP 18 2025
...............................
..THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 18 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 75 225 PM 91 1981 68 7 57
MINIMUM 36 654 AM 6 1965 36 0 46
AVERAGE 56 52 4 52
PRECIPITATION (IN)
TODAY 0.00 0.74 1976 0.04 -0.04 T
MONTH TO DATE 0.37 0.68 -0.31 0.80
SINCE JAN 1 8.65 10.45 -1.80 6.89
SNOWFALL (IN)
TODAY MM
MONTH TO DATE MM
SINCE SEP 1 MM
SINCE JUL 1 MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 9 13 -4 13
MONTH TO DATE 130 183 -53 110
SINCE SEP 1 130 183 -53 110
SINCE JUL 1 281 398 -117 298
COOLING
TODAY 0 0 0 0
MONTH TO DATE 3 0 3 2
SINCE SEP 1 3 0 3 2
SINCE JAN 1 60 81 -21 127
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 2.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 700 AM
LOWEST 23 300 PM
AVERAGE 60
......................................................
THE BUTTE MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 86 1956
2009
MINIMUM TEMPERATURE (F) 36 16 1983
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 712 AM MDT SUNSET 735 PM MDT
SEPTEMBER 19 2025.....SUNRISE 714 AM MDT SUNSET 733 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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