Climatological Report (Monthly)
Issued by NWS Spokane, WA

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CXUS56 KOTX 011254
CLMGEG

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
554 AM PDT SUN JUN 01 2025

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

...THE SPOKANE WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             97   05/25/1928
 LOW              24   05/08/2002
                       05/01/1954
HIGHEST           88   05/28         MM      MM       84  05/12
LOWEST            36   05/04         MM      MM       36  05/01
                       05/05
                                                          05/02
AVG. MAXIMUM    68.2               67.1     1.1     68.5
AVG. MINIMUM    45.6               44.9     0.7     45.2
MEAN            56.9               56.0     0.9     56.9
DAYS MAX >= 90     0                0.3    -0.3        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                1.5    -1.5        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.71   1948
 MINIMUM        0.06   1935
TOTALS          0.94               1.55   -0.61     0.83
DAILY AVG.      0.03               0.05   -0.02     0.03
DAYS >= .01        9                9.7    -0.7        7
DAYS >= .10        5                3.9     1.1        3
DAYS >= .50        0                0.7    -0.7        0
DAYS >= 1.00       0                0.1    -0.1        0
GREATEST
 24 HR. TOTAL   0.31   05/11 TO 05/11               0.46

SNOWFALL (INCHES)
RECORDS
 TOTAL           3.5   1967
TOTALS           0.0                0.1    -0.1        T
SINCE 7/1       29.3               45.4   -16.1       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM                                  MM

DEGREE DAYS
HEATING TOTAL    262                294     -32      257
 SINCE 7/1      5759               6329    -570       MM
COOLING TOTAL     17                 15       2       14
 SINCE 1/1        17                 15       2       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.3
HIGHEST WIND SPEED/DIRECTION    33/280    DATE  05/31
HIGHEST GUST SPEED/DIRECTION    42/280    DATE  05/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.54
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     54

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       0
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       2
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       4     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

$$

MAY 2025 BROUGHT NEAR NORMAL TEMPERATURES AND BELOW NORMAL
PRECIPITATION TO NORTHEAST WASHINGTON AND THE NORTH IDAHO PANHANDLE.
THE MONTH STARTED OFF MILD WITH QUIET WEATHER THROUGH THE 10TH.  THE
PATTERN CHANGED TO A COOLER AND SHOWERY ONE FROM THE 11TH THROUGH
THE 23RD WITH PERIODS OF ISOLATED THUNDERSTORM ACTIVITY AS WELL. ON
THE 11TH A SEVERE THUNDERSTORM DEVELOPED NEAR PINEHURST PRODUCING
QUARTER SIZED HAIL.  ON THE 19TH THUNDERSTORMS WITH ABUNDANT
LIGHTNING TRACKED ALONG THE HIGHWAY 2 CORRIDOR FROM WILBUR TO AIRWAY
HEIGHTS PRODUCING BRIEF DOWNPOURS AND SMALL HAIL.  HIGH TEMPERATURES
DURING THIS PERIOD OF COOLER WEATHER ONLY REACHED THE MID 50S TO MID
60S.  BUT THEN THE PATTERN FOR THE LAST WEEK OF MAY TURNED WARMER
AND DRIER AS HIGH TEMPERATURES REBOUNDED INTO THE 70S AND 80S.

NO RECORDS WERE SET DURING THE MONTH AT THE SPOKANE AIRPORT.