Climatological Report (Daily)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
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CDUS45 KMSO 182230
CLIBTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
430 PM MDT FRI SEP 18 2026
...................................
...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 18 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 71 110 PM 91 1981 68 3 76
MINIMUM 44 442 AM 6 1965 36 8 36
AVERAGE 58 52 6 56
PRECIPITATION (IN)
TODAY T 0.74 1976 0.04 -0.04 0.00
MONTH TO DATE 0.51 0.68 -0.17 0.37
SINCE JAN 1 9.07 10.45 -1.38 8.65
SNOWFALL (IN)
TODAY MM
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 7 13 -6 9
MONTH TO DATE 180 183 -3 130
SINCE SEP 1 180 183 -3 130
SINCE JUL 1 278 398 -120 281
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 3
SINCE SEP 1 0 0 0 3
SINCE JAN 1 146 81 65 60
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 1.9
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 97 300 AM
LOWEST 33 100 PM
AVERAGE 65
..........................................................
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 2026.....SUNRISE 712 AM MDT SUNSET 735 PM MDT
SEPTEMBER 19 2026.....SUNRISE 713 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.
$$