Climatological Report (Monthly)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
834
CXUS55 KMSO 062053
CLMBTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
253 PM MDT FRI JUN 06 2025
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...THE BUTTE MT CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 90 05/28/1919
LOW 9 05/01/1975
05/08/1965
HIGHEST 87 05/31 MM MM 76
LOWEST 25 05/01 MM MM 22
AVG. MAXIMUM 64.2 61.0 3.2 58.9
AVG. MINIMUM 35.4 34.3 1.1 32.6
MEAN 49.8 47.6 2.2 45.7
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 9 12.0 -3.0 13
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.84 1927
MINIMUM 0.09 1934
TOTALS 2.84 2.02 0.82 0.65
DAILY AVG. 0.09 0.07 0.02 0.02
DAYS >= .01 13 13.0 0.0 6
DAYS >= .10 8 6.1 1.9 2
DAYS >= .50 1 0.8 0.2 0
DAYS >= 1.00 0 0.1 -0.1 0
GREATEST
24 HR. TOTAL 0.78 05/13 TO 05/14 0.49
DEGREE DAYS
HEATING TOTAL 465 538 -73
SINCE 7/1 8144 8837 -693
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
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WIND (MPH)
AVERAGE WIND SPEED 6.3
HIGHEST WIND SPEED/DIRECTION 32/260 DATE 05/11
HIGHEST GUST SPEED/DIRECTION 46/300 DATE 05/22
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.41
NUMBER OF DAYS FAIR 16
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 59
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 6 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 6
LIGHT RAIN 16 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 4 SLEET 0
FOG 9 FOG W/VIS <= 1/4 MILE 1
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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