615
CDUS45 KMSO 200744
CLIBTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
144 AM MDT WED MAY 20 2026
...............................
..THE BUTTE MT CLIMATE SUMMARY FOR MAY 19 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 53 421 PM 85 1954 62 -9 54
MINIMUM 19R 524 AM 22 2003 36 -17 29
AVERAGE 36 49 -13 42
PRECIPITATION (IN)
YESTERDAY T 1.22 1938 0.07 -0.07 T
MONTH TO DATE 0.07 1.03 -0.96 2.36
SINCE JAN 1 3.15 3.85 -0.70 4.80
SNOWFALL (IN)
YESTERDAY MM
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 29 16 13 23
MONTH TO DATE 337 365 -28 333
SINCE MAR 1 1905 2189 -284 1998
SINCE JUL 1 6889 8664 -1775 8012
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 26 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 6.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 300 AM
LOWEST 28 300 PM
AVERAGE 55
......................................................
THE BUTTE MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 83 1919
MINIMUM TEMPERATURE (F) 36 23 2003
SUNRISE AND SUNSET
MAY 20 2026...........SUNRISE 552 AM MDT SUNSET 901 PM MDT
MAY 21 2026...........SUNRISE 551 AM MDT SUNSET 902 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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