140
CDUS45 KMSO 210747
CLIBTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
147 AM MDT SUN SEP 21 2025
...............................
..THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 20 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 80 412 PM 83 1918 67 13 68
MINIMUM 37 555 AM 8 1983 35 2 38
AVERAGE 59 51 8 53
PRECIPITATION (IN)
YESTERDAY 0.00 0.63 1968 0.04 -0.04 0.00
MONTH TO DATE 0.37 0.75 -0.38 0.80
SINCE JAN 1 8.65 10.52 -1.87 6.89
SNOWFALL (IN)
YESTERDAY MM
MONTH TO DATE T
SINCE SEP 1 T
SINCE JUL 1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 6 14 -8 12
MONTH TO DATE 143 210 -67 136
SINCE SEP 1 143 210 -67 136
SINCE JUL 1 294 425 -131 324
COOLING
YESTERDAY 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 17 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 4.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 700 AM
LOWEST 14 600 PM
AVERAGE 52
......................................................
THE BUTTE MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 85 1918
MINIMUM TEMPERATURE (F) 35 21 1995
2021
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 716 AM MDT SUNSET 729 PM MDT
SEPTEMBER 22 2025.....SUNRISE 717 AM MDT SUNSET 727 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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