Climatological Report (Monthly)
Issued by NWS

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274
CXUS56 KOTX 011322
CLMPUW

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
622 AM PDT WED OCT 01 2025

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

...THE PULLMAN_MOSCOW  AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

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 DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            100   09/04/1998
 LOW              20   09/29/1983
HIGHEST           98   09/01         MM      MM       95  09/07
LOWEST            38   09/22         MM      MM       28  09/30
AVG. MAXIMUM    80.6               74.2     6.4     76.3
AVG. MINIMUM    52.6               45.4     7.2     48.9
MEAN            66.6               59.8     6.8     62.6
DAYS MAX >= 90     5                1.9     3.1        4
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                1.2    -1.2        1
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        4.42   1927
 MINIMUM        0.00   1987
TOTALS          0.82               0.65    0.17     1.36
DAILY AVG.      0.03               0.02    0.01     0.05
DAYS >= .01        7                4.6     2.4        4
DAYS >= .10        4                2.1     1.9        3
DAYS >= .50        0                0.1    -0.1        1
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.39   09/14 TO 09/15               1.03


DEGREE DAYS
HEATING TOTAL     55                189    -134      140
 SINCE 7/1        81                287    -206       MM
COOLING TOTAL    111                 32      79       74
 SINCE 1/1       433                282     151       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.0
HIGHEST WIND SPEED/DIRECTION    25/110    DATE  09/10
HIGHEST GUST SPEED/DIRECTION    41/120    DATE  09/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.13
NUMBER OF DAYS FAIR           25
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     47

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       3
LIGHT RAIN                8     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                     15

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

$$