Climatological Report (Monthly)
Issued by NWS Missoula, MT

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CXUS55 KMSO 011717
CLMMSO


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
1017 AM MST TUE JAN 1 2013

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

...THE MISSOULA MT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              60   12/03/1956
                        12/08/1938
                        12/14/1924
 LOW              -30   12/23/1983
                        12/17/1964
HIGHEST            49   12/01        MM      MM       46
LOWEST              6   12/09        MM      MM        2
AVG. MAXIMUM     34.5              31.0     3.5     33.5
AVG. MINIMUM     22.3              16.7     5.6     17.5
MEAN             28.4              23.9     4.5     25.5
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     12              15.1    -3.1       13
DAYS MIN <= 32     26              29.5    -3.5       29
DAYS MIN <= 0       0               2.4    -2.4        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.09   1917
 MINIMUM         0.11   1909
TOTALS           1.65              1.04    0.61     0.57
DAILY AVG.       0.05              0.03    0.02     0.02
DAYS >= .01        19              12.3     6.7        8
DAYS >= .10         5               3.5     1.5        2
DAYS >= .50         0               0.1    -0.1        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.50   12/01 TO 12/02              0.18

SNOWFALL (INCHES)
TOTALS           15.7              11.0     4.7      5.4
SINCE 7/1        21.1              17.0     4.1     10.9
DAYS >= TRACE      22               9.8    12.2       15
DAYS >= 1.0         2               3.6    -1.6        2
GREATEST
 SNOW DEPTH         7   12/08                          2
 24 HR TOTAL      8.0   12/07 TO 12/07               2.7

DEGREE_DAYS
HEATING TOTAL    1127              1276    -149
 SINCE 7/1       2782              3172    -390
COOLING TOTAL       0                 0       0
 SINCE 1/1        415               332      83
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              4.5
HIGHEST WIND SPEED/DIRECTION    33/290    DATE  12/07
HIGHEST GUST SPEED/DIRECTION    44/300    DATE  12/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            0
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY         16

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                2     SNOW                       2
LIGHT SNOW               21     SLEET                      0
FOG                      23     FOG W/VIS <= 1/4 MILE      6
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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