Climatological Report (Monthly)
Issued by NWS Missoula, MT

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000
CXUS55 KMSO 082052
CLMBTM

CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
252 PM MDT THU JUN 08 2023

...................................

...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
..............................................................

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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