Climatological Report (Monthly)
Issued by NWS Missoula, MT

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CXUS55 KMSO 052332
CLMMSO

CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
532 PM MDT THU OCT 05 2023

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

...THE MISSOULA MT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2023

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           88   09/02         MM      MM       97
LOWEST            36   09/29         MM      MM       38
AVG. MAXIMUM    74.2               72.6     1.6     78.9
AVG. MINIMUM    46.1               42.4     3.7     46.0
MEAN            60.1               57.5     2.6     62.5
DAYS MAX >= 90     0                1.4    -1.4        6
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                1.7    -1.7        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.60   1985
 MINIMUM           T   2012
TOTALS          1.68               0.96    0.72     1.42
DAILY AVG.      0.06               0.03    0.03     0.05
DAYS >= .01        8                7.3     0.7        5
DAYS >= .10        4                3.0     1.0        2
DAYS >= .50        1                0.3     0.7        1
DAYS >= 1.00       0                0.0     0.0        1
GREATEST
 24 HR. TOTAL   0.52   09/30 TO 09/30               1.11

SNOWFALL (INCHES)
TOTALS           0.0                0.1    -0.1      0.0
SINCE 7/1        0.0                0.1    -0.1       MM
DAYS >= TRACE      0                0.0     0.0        0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0
 24 HR TOTAL      MM                                  MM

DEGREE DAYS
HEATING TOTAL    149                240     -91
 SINCE 7/1       155                325    -170
COOLING TOTAL     11                 15      -4
 SINCE 1/1       536                307     229
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              3.9
HIGHEST WIND SPEED/DIRECTION    28/280    DATE  09/17
HIGHEST GUST SPEED/DIRECTION    37/280    DATE  09/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.33
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       4     FOG W/VIS <= 1/4 MILE      0
HAZE                      4

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

$$


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