620
CXUS55 KMSO 082052
CLMMSO
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
252 PM MDT THU JUN 08 2023
...............................
..THE MISSOULA MT CLIMATE SUMMARY FOR THE MONTH OF MAY 2023
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 95 05/30/1986
05/29/1936
LOW 21 05/08/1999
05/12/1985
05/01/1954
HIGHEST 90 05/01 MM MM 82
LOWEST 38 05/23 MM MM 25
AVG. MAXIMUM 74.9 66.2 8.7 64.2
AVG. MINIMUM 47.7 39.8 7.9 39.4
MEAN 61.3 53.0 8.3 51.8
DAYS MAX >= 90 1 0.2 0.8 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 4.4 -4.4 4
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 7.38 1980
MINIMUM 0.20 1907
TOTALS 2.57 1.77 0.80 1.12
DAILY AVG. 0.08 0.06 0.02 0.04
DAYS >= .01 14 12.1 1.9 10
DAYS >= .10 10 5.2 4.8 3
DAYS >= .50 0 0.7 -0.7 1
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.54 05/05 TO 05/06 0.68
SNOWFALL (INCHES)
TOTALS 0.0 0.3 -0.3 T
SINCE 7/1 50.0 43.0 7.0 MM
DAYS >= TRACE 0 0.3 -0.3 1
DAYS >= 1.0 0 0.1 -0.1 0
GREATEST
SNOW DEPTH 0 0
24 HR TOTAL MM MM
DEGREE DAYS
HEATING TOTAL 133 375 -242
SINCE 7/1 7090 7329 -239
COOLING TOTAL 26 3 23
SINCE 1/1 26 3 23
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WIND (MPH)
AVERAGE WIND SPEED 5.6
HIGHEST WIND SPEED/DIRECTION 36/170 DATE 05/02
HIGHEST GUST SPEED/DIRECTION 48/300 DATE 05/21
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.41
NUMBER OF DAYS FAIR 14
NUMBER OF DAYS PC 13
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 62
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 9 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 4
LIGHT RAIN 18 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 12 FOG W/VIS <= 1/4 MILE 1
HAZE 7
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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