470
CXUS55 KMSO 041406
CLMMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
806 AM MDT MON MAY 04 2026
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..THE MISSOULA MT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 90 04/25/1910
LOW 2 04/01/1936
HIGHEST 82 04/21 MM MM 75
LOWEST 25 04/18 MM MM 22
AVG. MAXIMUM 58.6 56.1 2.5 59.4
AVG. MINIMUM 32.1 32.3 -0.2 32.2
MEAN 45.3 44.2 1.1 45.8
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 17 15.2 1.8 14
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.15 1943
MINIMUM T 1908
TOTALS 1.42 1.36 0.06 0.85
DAILY AVG. 0.05 0.05 0.00 0.03
DAYS >= .01 10 11.4 -1.4 12
DAYS >= .10 3 4.1 -1.1 3
DAYS >= .50 1 0.5 0.5 0
DAYS >= 1.00 0 0.1 -0.1 0
GREATEST
24 HR. TOTAL 0.92 04/22 TO 04/22 0.33
SNOWFALL (INCHES)
TOTALS T 1.3 -1.3 0.2
SINCE 7/1 20.0 42.7 -22.7 MM
DAYS >= TRACE 4 1.5 2.5 5
DAYS >= 1.0 0 0.5 -0.5 0
GREATEST
SNOW DEPTH MM MM
24 HR TOTAL MM 0.2
DEGREE DAYS
HEATING TOTAL 582 624 -42
SINCE 7/1 5681 6952 -1271
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
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WIND (MPH)
AVERAGE WIND SPEED 5.3
HIGHEST WIND SPEED/DIRECTION 38/300 DATE 04/07
HIGHEST GUST SPEED/DIRECTION 55/260 DATE 04/07
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.48
NUMBER OF DAYS FAIR 12
NUMBER OF DAYS PC 5
NUMBER OF DAYS CLOUDY 13
AVERAGE RH (PERCENT) 61
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 3
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 3 SLEET 0
FOG 9 FOG W/VIS <= 1/4 MILE 1
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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