Climatological Report (Monthly)
Issued by NWS Missoula, MT

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CXUS55 KMSO 091509 CCA
CLMBTM

CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
801 AM MDT TUE MAY 1 2018

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

...THE BUTTE MT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              83   04/25/1910
 LOW              -16   04/08/1982
HIGHEST            77   04/28        MM      MM       66
LOWEST             13   04/02        MM      MM       19
AVG. MAXIMUM     51.7              51.7     0.0     51.3
AVG. MINIMUM     26.1              26.3    -0.2     27.8
MEAN             38.9              39.0    -0.1     39.6
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      1               0.7     0.3        0
DAYS MIN <= 32     25              24.3     0.7       25
DAYS MIN <= 0       0               0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.14   2006
 MINIMUM         0.12   1974
TOTALS           1.83              1.17    0.66     2.02
DAILY AVG.       0.06              0.04    0.02     0.07
DAYS >= .01        12              10.4     1.6       11
DAYS >= .10         7               4.0     3.0        6
DAYS >= .50         1               0.2     0.8        1
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.51   04/29 TO 04/29              0.70

DEGREE_DAYS
HEATING TOTAL     773               780      -7
 SINCE 7/1       8338              8391     -53
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.5
HIGHEST WIND SPEED/DIRECTION    33/160    DATE  04/28
HIGHEST GUST SPEED/DIRECTION    43/310    DATE  04/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     59

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                2     SNOW                       2
LIGHT SNOW               13     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      2
HAZE                      4

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

$$


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