Climatological Report (Monthly)
Issued by NWS Missoula, MT

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636
CXUS55 KMSO 122020
CLMBTM

CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
220 PM MDT WED JUN 12 2024

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

...THE BUTTE MT CLIMATE SUMMARY FOR THE MONTH OF MAY 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2024

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           76   05/28         MM      MM       80
LOWEST            22   05/01         MM      MM       32
AVG. MAXIMUM    58.9               61.0    -2.1     66.1
AVG. MINIMUM    32.6               34.3    -1.7     39.7
MEAN            45.7               47.6    -1.9     52.9
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32    13               12.0     1.0        2
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.84   1927
 MINIMUM        0.09   1934
TOTALS          0.65               2.02   -1.37     2.69
DAILY AVG.      0.02               0.07   -0.05     0.09
DAYS >= .01        6               13.0    -7.0       17
DAYS >= .10        2                6.1    -4.1        9
DAYS >= .50        0                0.8    -0.8        2
DAYS >= 1.00       0                0.1    -0.1        0
GREATEST
 24 HR. TOTAL   0.49   05/22 TO 05/23               0.55


DEGREE DAYS
HEATING TOTAL    513                538     -25
 SINCE 7/1      8294               8837    -543
COOLING TOTAL      0                  0       0
 SINCE 1/1         0                  0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
HIGHEST WIND SPEED/DIRECTION    37/300    DATE  05/07
HIGHEST GUST SPEED/DIRECTION    55/310    DATE  05/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.47
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     57

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                5     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      0
HAZE                      2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$