667
CDUS45 KMSO 180738
CLIBTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
138 AM MDT MON MAY 18 2026
...............................
..THE BUTTE MT CLIMATE SUMMARY FOR MAY 17 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 43 MM 82 1976 62 -19 60
2006
MINIMUM 25 MM 16 1896 35 -10 32
AVERAGE 34 48 -14 46
PRECIPITATION (IN)
YESTERDAY T 0.82 2019 0.07 -0.07 0.25
MONTH TO DATE 0.07 0.90 -0.83 2.20
SINCE JAN 1 3.15 3.72 -0.57 4.64
SNOWFALL (IN)
YESTERDAY MM
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 31 17 14 19
MONTH TO DATE 280 333 -53 288
SINCE MAR 1 1848 2157 -309 1953
SINCE JUL 1 6832 8632 -1800 7967
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 17 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 7.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 600 AM
LOWEST 44 100 PM
AVERAGE 64
......................................................
THE BUTTE MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 84 2009
MINIMUM TEMPERATURE (F) 35 21 1960
SUNRISE AND SUNSET
MAY 18 2026...........SUNRISE 554 AM MDT SUNSET 859 PM MDT
MAY 19 2026...........SUNRISE 553 AM MDT SUNSET 900 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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