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CXUS55 KMSO 011616
CLMBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
916 AM MST THU JAN 1 2015

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

...THE BUTTE MT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              66   12/27/1917
 LOW              -52   12/23/1983
HIGHEST            53   12/12        MM      MM       53
LOWEST            -30   12/30        MM      MM      -26
AVG. MAXIMUM     32.9              29.5     3.4     29.3
AVG. MINIMUM     11.6               5.4     6.2      6.2
MEAN             22.3              17.4     4.9     17.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     13              17.3    -4.3       16
DAYS MIN <= 32     30              30.6    -0.6       31
DAYS MIN <= 0       8              10.5    -2.5       11

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.99   1996
 MINIMUM         0.02   1918
TOTALS           0.56              0.51    0.05     0.22
DAILY AVG.       0.02              0.02    0.00     0.01
DAYS >= .01         8               7.7     0.3        7
DAYS >= .10         3               1.6     1.4        0
DAYS >= .50         0               0.1    -0.1        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.18   12/13 TO 12/13              0.10

DEGREE_DAYS
HEATING TOTAL    1315              1474    -159
 SINCE 7/1       3645              3964    -319
COOLING TOTAL       0                 0       0
 SINCE 1/1         78                81      -3
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              4.2
HIGHEST WIND SPEED/DIRECTION    33/180    DATE  12/12
HIGHEST GUST SPEED/DIRECTION    40/180    DATE  12/12

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     74

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                1     SNOW                       4
LIGHT SNOW               17     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      2
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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