933
CXUS55 KMSO 082359
CLMMSO

CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
459 PM MST WED JAN 08 2025

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

...THE MISSOULA MT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             67   12/01/2021
 LOW             -30   12/23/1983
                       12/17/1964
HIGHEST           48   12/18         MM      MM       51
LOWEST            15   12/03         MM      MM        8
                       12/04
AVG. MAXIMUM    38.3               30.9     7.4     36.4
AVG. MINIMUM    25.2               17.8     7.4     22.6
MEAN            31.7               24.4     7.3     29.5
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     6               15.6    -9.6        8
DAYS MIN <= 32    31               29.7     1.3       29
DAYS MIN <= 0      0                1.8    -1.8        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.09   1917
 MINIMUM        0.11   1909
TOTALS          0.38               1.08   -0.70     0.50
DAILY AVG.      0.01               0.03   -0.02     0.02
DAYS >= .01        9               12.6    -3.6        6
DAYS >= .10        1                3.7    -2.7        1
DAYS >= .50        0                0.1    -0.1        0
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.13   12/29 TO 12/29               0.26

SNOWFALL (INCHES)
TOTALS           0.7               11.6   -10.9      5.5
SINCE 7/1        0.9               18.0   -17.1       MM
DAYS >= TRACE     14                9.5     4.5       14
DAYS >= 1.0        0                3.3    -3.3        2
GREATEST
 SNOW DEPTH       MM                                   3
 24 HR TOTAL      MM                                  MM

DEGREE DAYS
HEATING TOTAL   1025               1260    -235
 SINCE 7/1      2566               3219    -653
COOLING TOTAL      0                  0       0
 SINCE 1/1       474                307     167
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              2.5
HIGHEST WIND SPEED/DIRECTION    29/280    DATE  12/18
HIGHEST GUST SPEED/DIRECTION    42/270    DATE  12/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         17

AVERAGE RH (PERCENT)     81

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW               13     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE      8
HAZE                      3

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

$$