Climatological Report (Monthly)
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261
CXUS56 KOTX 011322
CLMDEW

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

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

...THE DEER_PARK WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

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   09/02/2025
 LOW              18   09/23/2000
HIGHEST          100R  09/02         MM      MM       97  09/01
LOWEST            35   09/26         MM      MM       25  09/30
AVG. MAXIMUM    81.2               74.0     7.2     80.4
AVG. MINIMUM    47.5               39.9     7.6     43.6
MEAN            64.3               57.0     7.3     62.0
DAYS MAX >= 90     4                1.5     2.5        6
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                4.3    -4.3        3
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.39   2013
 MINIMUM           T   1999
TOTALS          0.38               0.82   -0.44     0.02
DAILY AVG.      0.01               0.03   -0.02     0.00
DAYS >= .01        3                5.6    -2.6        2
DAYS >= .10        3                2.3     0.7        0
DAYS >= .50        0                0.3    -0.3        0
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.15   09/14 TO 09/14               0.01


DEGREE DAYS
HEATING TOTAL     94                256    -162      136
 SINCE 7/1       111                382    -271       MM
COOLING TOTAL     81                 14      67       55
 SINCE 1/1       439                216     223       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.5
HIGHEST WIND SPEED/DIRECTION    21/210    DATE  09/25
HIGHEST GUST SPEED/DIRECTION    27/220    DATE  09/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.15
NUMBER OF DAYS FAIR           26
NUMBER OF DAYS PC              3
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     54

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      0
HAZE                      9

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

$$