Climatological Report (Monthly)
Issued by NWS Missoula, MT

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609
CXUS55 KMSO 012004
CLMGPI

CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
204 PM MDT WED OCT 01 2025

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

...THE KALISPELL MT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1894 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             99   09/01/1967
 LOW               7   09/24/1926
HIGHEST           94   09/01         MM      MM       91
                       09/02
LOWEST            31   09/27         MM      MM       27
AVG. MAXIMUM    78.8               70.4     8.4     76.8
AVG. MINIMUM    43.6               38.3     5.3     44.4
MEAN            61.2               54.3     6.9
DAYS MAX >= 90     3                0.5     2.5        3
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     1                4.8    -3.8        2
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.97   1985
 MINIMUM        0.01   1990
TOTALS          0.72               1.17   -0.45
DAILY AVG.      0.02               0.04   -0.02     0.03
DAYS >= .01        3                7.6    -4.6        4
DAYS >= .10        2                3.6    -1.6        2
DAYS >= .50        0                0.4    -0.4        1
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.43   09/30 TO 09/30               0.63

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

DEGREE DAYS
HEATING TOTAL    136                324    -188
 SINCE 7/1       212                491    -279
COOLING TOTAL     30                  4      26
 SINCE 1/1       197                143      54
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              4.1
HIGHEST WIND SPEED/DIRECTION    30/070    DATE  09/12
HIGHEST GUST SPEED/DIRECTION    41/070    DATE  09/12

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           27
NUMBER OF DAYS PC              2
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      0
HAZE                     10

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

$$