550
CXUS55 KMSO 042133
CLMBTM
CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
333 PM MDT MON SEP 04 2023
...............................
..THE BUTTE MT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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
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TEMPERATURE (F)
RECORD
HIGH 99 08/05/1961
08/12/1940
LOW 23 08/25/1992
HIGHEST 94 08/15 MM MM 92
LOWEST 41 08/11 MM MM 37
AVG. MAXIMUM 78.6 79.8 -1.2 84.5
AVG. MINIMUM 48.1 43.9 4.2 48.4
MEAN 63.4 61.8 1.6 66.4
DAYS MAX >= 90 3 2.6 0.4 5
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.7 -0.7 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.31 1922
MINIMUM T 1955
TOTALS 2.22 1.28 0.94 1.08
DAILY AVG. 0.07 0.04 0.03 0.03
DAYS >= .01 11 7.7 3.3 6
DAYS >= .10 8 3.3 4.7 4
DAYS >= .50 0 0.7 -0.7 1
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.79 08/20 TO 08/21 0.55
DEGREE DAYS
HEATING TOTAL 77 124 -47
SINCE 7/1 138 215 -77
COOLING TOTAL 33 27 6
SINCE 1/1 70 81 -11
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WIND (MPH)
AVERAGE WIND SPEED 5.6
HIGHEST WIND SPEED/DIRECTION 33/180 DATE 08/21
HIGHEST GUST SPEED/DIRECTION 46/180 DATE 08/21
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.29
NUMBER OF DAYS FAIR 22
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 57
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 10 MIXED PRECIP 0
HEAVY RAIN 6 RAIN 7
LIGHT RAIN 12 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 11 FOG W/VIS <= 1/4 MILE 0
HAZE 5
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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