Climatological Report (Monthly)
Issued by NWS Missoula, MT

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CXUS55 KMSO 021324
CLMMSO


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
724 AM MDT MON OCT 2 2017

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

...THE MISSOULA MT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              99   09/01/1967
 LOW               15   09/25/1926
HIGHEST            97   09/02        MM      MM       86
LOWEST             31   09/23        MM      MM       30
AVG. MAXIMUM     70.8              73.1    -2.3     69.8
AVG. MINIMUM     42.9              41.8     1.1     42.6
MEAN             56.9              57.4    -0.5     56.2
DAYS MAX >= 90      3               1.4     1.6        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      2               2.0     0.0        1
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.60   1985
 MINIMUM            T   2012
TOTALS           1.17              1.17    0.00     1.13
DAILY AVG.       0.04              0.04    0.00     0.04
DAYS >= .01         8               8.2    -0.2        8
DAYS >= .10         6               3.3     2.7        5
DAYS >= .50         0               0.5    -0.5        0
DAYS >= 1.00        0               0.1    -0.1        0
GREATEST
 24 HR. TOTAL    0.39   09/14 TO 09/15              0.42

SNOWFALL (INCHES)
TOTALS            0.0                 T     0.0      0.0
SINCE 7/1         0.0                 T     0.0      0.0
DAYS >= TRACE       0               0.0     0.0        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0
 24 HR TOTAL      0.0   09/30 TO 09/30               0.0

DEGREE_DAYS
HEATING TOTAL     271               241      30
 SINCE 7/1        272               325     -53
COOLING TOTAL      34                15      19
 SINCE 1/1        509               332     177
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              4.0
HIGHEST WIND SPEED/DIRECTION    28/240    DATE  09/19
HIGHEST GUST SPEED/DIRECTION    35/310    DATE  09/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      1
HAZE                     12

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

$$


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