578
CXUS56 KOTX 011318
CLMMWH

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

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

...THE MOSES LAKE WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            100   09/04/2020
 LOW              27   09/23/2000
HIGHEST           85   09/21         MM      MM       98  09/02
                                                          09/03
LOWEST            33   09/28         MM      MM       39  09/22
AVG. MAXIMUM    74.9               78.7    -3.8     84.3
AVG. MINIMUM    46.7               47.0    -0.3     53.0
MEAN            60.8               62.8    -2.0     68.7
DAYS MAX >= 90     0                3.3    -3.3        5
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.2    -0.2        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.20   1959
 MINIMUM           T   2024
TOTALS          0.43               0.26    0.17     0.13
DAILY AVG.      0.01               0.01    0.00     0.00
DAYS >= .01        7                2.8     4.2        3
DAYS >= .10        1                0.8     0.2        0
DAYS >= .50        0                0.0     0.0        0
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.25   09/12 TO 09/13               0.07


DEGREE DAYS
HEATING TOTAL    127                117      10       28
 SINCE 7/1       135                133       2       MM
COOLING TOTAL      9                 53     -44      145
 SINCE 1/1       734                676      58       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
HIGHEST WIND SPEED/DIRECTION    38/240    DATE  09/25
HIGHEST GUST SPEED/DIRECTION    52/240    DATE  09/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.15
NUMBER OF DAYS FAIR           25
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     58

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       3     FOG W/VIS <= 1/4 MILE      1
HAZE                      6

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

$$