Climatological Report (Monthly) Issued by NWS Spokane, WA
000
CXUS56 KOTX 011143
CLMGEG
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
443 AM PDT THU JUN 01 2023
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...THE SPOKANE WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 97 05/25/1928
LOW 24 05/08/2002
05/01/1954
HIGHEST 90 05/20 MM MM 73 05/26
LOWEST 43 05/23 MM MM 33 05/08
05/09
05/10
AVG. MAXIMUM 74.7 67.1 7.6 60.9
AVG. MINIMUM 52.3 44.9 7.4 41.4
MEAN 63.5 56.0 7.5 51.1
DAYS MAX >= 90 1 0.3 0.7 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 1.35 1.55 -0.20 1.50
DAILY AVG. 0.04 0.05 -0.01 0.05
DAYS >= .01 8 9.7 -1.7 12
DAYS >= .10 7 3.9 3.1 6
DAYS >= .50 0 0.7 -0.7 0
DAYS >= 1.00 0 0.1 -0.1 0
GREATEST
24 HR. TOTAL 0.65 05/04 TO 05/05 0.35
SNOWFALL (INCHES)
RECORDS
TOTAL 3.5 1967
TOTALS 0.0 0.1 -0.1 T
SINCE 7/1 62.3 45.4 16.9 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 112 294 -182 421
SINCE 7/1 6214 6329 -115 MM
COOLING TOTAL 73 15 58 0
SINCE 1/1 78 15 63 MM
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WIND (MPH)
AVERAGE WIND SPEED 7.1
HIGHEST WIND SPEED/DIRECTION 29/210 DATE 05/22
HIGHEST GUST SPEED/DIRECTION 37/200 DATE 05/22
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.51
NUMBER OF DAYS FAIR 10
NUMBER OF DAYS PC 17
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 56
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 10 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 3
LIGHT RAIN 14 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 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
MAY 2023 BROUGHT WARMER THAN NORMAL TEMPERATURES TO NORTHEAST
WASHINGTON AND THE NORTH IDAHO PANHANDLE. THE MONTH BROUGHT SEVERAL
ROUNDS OF SHOWERS AND THUNDERSTORMS. RAIN AMOUNTS OVER THE REGION
WERE VARIABLE GIVEN THE SHOWERY NATURE WITH SOME AREAS WETTER THAN
NORMAL WHILE OTHER ON THE DRY SIDE. THE FIRST THROUGH THE 9TH
BROUGHT AN ACTIVE PERIOD WITH THUNDERSTORMS. SPOKANE REPORTED A
THUNDERSTORM ON FIVE OF THE NINE DAYS. DURING THE EARLY MORNING
HOURS ON THE 18TH THUNDERSTORMS PRODUCED HEAVY RAIN AND FREQUENT
LIGHTNING FROM BONNERS FERRY DOWN TO SANDPOINT. ON THE 20TH AND 21ST
SEVERE THUNDERSTORMS IMPACTED THE REGION NORTH OF SPOKANE AND COEUR
D`ALENE. ON THE 20TH A SEVERE THUNDERSTORM IN CHEWELAH DUMPED HALF
DOLLAR SIZED HAIL. QUARTER SIZED HAIL FELL NEAR IONE AT BIG MEADOW
CAMPGROUND. HEAVY RAIN CONTRIBUTED TO WASHOUTS ON MEADOW CREEK ROAD
WITH A SMALL LANDSLIDE. ON THE 21ST ONE OF THE HARDEST HIT AREAS WAS
ADDY WITH HAIL REPORTS RANGING FROM QUARTER TO GOLF BALL SIZE. A
TREE WAS ALSO BLOWN DOWN IN COLVILLE.
THE OTHER STORY OF THE MONTH WAS THE WARM TEMPERATURES. THE FIRST
THREE WEEKS BROUGHT SEVERAL DAYS OF WELL ABOVE NORMAL TEMPERATURES
WITH TEMPERATURES THROUGH THE PERIOD AVERAGING 8-10 DEGREES ABOVE
NORMAL. SEVERAL DAYS WARMED INTO THE 80S, WITH SPOKANE AIRPORT
REACHING ITS FIRST 90 DEGREE DAY ON THE 20TH WHICH WAS ABOUT A MONTH
AHEAD OF SCHEDULE. SEVERAL HIGH TEMPERATURE RECORDS OCCURRED DURING
THE MONTH AT THE SPOKANE AIRPORT INCLUDING 85 ON THE 2ND AND 3RD, 87
ON THE 19TH, AND 90F ON THE 20TH.
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