Climatological Report (Monthly) Issued by NWS Missoula, MT
000
CXUS55 KMSO 082052
CLMBTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
252 PM MDT THU JUN 08 2023
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...THE BUTTE MT CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 90 05/28/1919
LOW 9 05/01/1975
05/08/1965
HIGHEST 80 05/20 MM MM 76
05/21
LOWEST 32 05/10 MM MM 20
05/12
AVG. MAXIMUM 66.1 61.0 5.1 56.1
AVG. MINIMUM 39.7 34.3 5.4 32.2
MEAN 52.9 47.6 5.3 44.1
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 2 12.0 -10.0 19
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.84 1927
MINIMUM 0.09 1934
TOTALS 2.69 2.02 0.67 1.61
DAILY AVG. 0.09 0.07 0.02 0.05
DAYS >= .01 17 13.0 4.0 8
DAYS >= .10 9 6.1 2.9 5
DAYS >= .50 2 0.8 1.2 1
DAYS >= 1.00 0 0.1 -0.1 0
GREATEST
24 HR. TOTAL 0.55 05/26 TO 05/27 1.04
DEGREE DAYS
HEATING TOTAL 369 538 -169
SINCE 7/1 9293 8837 456
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
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WIND (MPH)
AVERAGE WIND SPEED 5.4
HIGHEST WIND SPEED/DIRECTION 31/160 DATE 05/03
HIGHEST GUST SPEED/DIRECTION 40/170 DATE 05/03
40/120 05/04
40/300 05/22
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.50
NUMBER OF DAYS FAIR 10
NUMBER OF DAYS PC 15
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 62
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 17 MIXED PRECIP 0
HEAVY RAIN 5 RAIN 9
LIGHT RAIN 20 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 1 SLEET 0
FOG 12 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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