Climatological Report (Monthly)
Issued by NWS Missoula, MT

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CXUS55 KMSO 011739
CLMGPI


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
1039 AM MST MON JAN 1 2018

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

...THE KALISPELL MT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1894 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              58   12/04/1918
 LOW              -35   12/29/1990
                        12/30/1968
HIGHEST            42   12/02        MM      MM       41
LOWEST            -13   12/23        MM      MM      -20
AVG. MAXIMUM     26.9              29.7    -2.8     24.7
AVG. MINIMUM     16.1              15.8     0.3      9.2
MEAN             21.5              22.7    -1.2
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     24              17.0     7.0       24
DAYS MIN <= 32     30              29.8     0.2       31
DAYS MIN <= 0       5               3.3     1.7        7

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.78   1917
 MINIMUM         0.28   1943
TOTALS           2.37              1.56    0.81
DAILY AVG.       0.08              0.05    0.03     0.06
DAYS >= .01        14              14.4    -0.4       18
DAYS >= .10         7               5.5     1.5        5
DAYS >= .50         1               0.3     0.7        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.93   12/19 TO 12/20              0.48

SNOWFALL (INCHES)
TOTALS           32.8              16.3    16.5     33.6
SINCE 7/1        42.0              26.7    15.3     35.3
DAYS >= TRACE      19              11.8     7.2       24
DAYS >= 1.0         9               5.0     4.0       13
GREATEST
 SNOW DEPTH        16   12/30
 24 HR TOTAL      8.4   MM                           5.5

DEGREE_DAYS
HEATING TOTAL    1339              1310      29
 SINCE 7/1       3352              3514    -162
COOLING TOTAL       0                 0       0
 SINCE 1/1        228               147      81
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              4.4
HIGHEST WIND SPEED/DIRECTION    33/020    DATE  12/29
HIGHEST GUST SPEED/DIRECTION    41/020    DATE  12/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.90
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY         24

AVERAGE RH (PERCENT)     85

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       6
LIGHT SNOW               20     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE      4
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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