580
CXUS56 KOTX 011318
CLMPUW

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
618 AM PDT THU OCT 01 2026

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

...THE PULLMAN_MOSCOW  AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2026

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           83   09/21         MM      MM       98  09/01
LOWEST            29   09/28         MM      MM       38  09/22
AVG. MAXIMUM    70.0               74.2    -4.2     80.6
AVG. MINIMUM    46.2               45.4     0.8     52.6
MEAN            58.1               59.8    -1.7     66.6
DAYS MAX >= 90     0                1.9    -1.9        5
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     1                1.2    -0.2        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        4.42   1927
 MINIMUM        0.00   1987
TOTALS          1.93               0.65    1.28     0.82
DAILY AVG.      0.06               0.02    0.04     0.03
DAYS >= .01        8                4.6     3.4        7
DAYS >= .10        5                2.1     2.9        4
DAYS >= .50        2                0.1     1.9        0
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.84   09/12 TO 09/13               0.39


DEGREE DAYS
HEATING TOTAL    213                189      24       55
 SINCE 7/1       269                287     -18       MM
COOLING TOTAL     13                 32     -19      111
 SINCE 1/1       269                282     -13       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.8
HIGHEST WIND SPEED/DIRECTION    28/250    DATE  09/12
HIGHEST GUST SPEED/DIRECTION    42/250    DATE  09/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.22
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
HAZE                      8

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

$$