223
CXUS56 KOTX 011826
CLMGEG
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
1126 AM PDT MON JUN 01 2026
...............................
...THE SPOKANE WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY
2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2026
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 89 05/28 MM MM 88 05/28
LOWEST 36 05/17 MM MM 36 05/04
05/05
AVG. MAXIMUM 70.9 67.1 3.8 68.2
AVG. MINIMUM 47.3 44.9 2.4 45.6
MEAN 59.1 56.0 3.1 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 1.49 1.55 -0.06 0.94
DAILY AVG. 0.05 0.05 0.00 0.03
DAYS >= .01 6 9.7 -3.7 9
DAYS >= .10 4 3.9 0.1 5
DAYS >= .50 1 0.7 0.3 0
DAYS >= 1.00 0 0.1 -0.1 0
GREATEST
24 HR. TOTAL 0.75 05/28 TO 05/28 0.31
SNOWFALL (INCHES)
RECORDS
TOTAL 3.5 1967
TOTALS 0.0 0.1 -0.1 0.0
SINCE 7/1 24.8 45.4 -20.6 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 185 294 -109 262
SINCE 7/1 5286 6329 -1043 MM
COOLING TOTAL 12 15 -3 17
SINCE 1/1 12 15 -3 MM
............................................................
WIND (MPH)
AVERAGE WIND SPEED 8.8
HIGHEST WIND SPEED/DIRECTION 39/250 DATE 05/13
HIGHEST GUST SPEED/DIRECTION 58/180 DATE 05/28
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.57
NUMBER OF DAYS FAIR 6
NUMBER OF DAYS PC 18
NUMBER OF DAYS CLOUDY 7
AVERAGE RH (PERCENT) 52
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 6 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 2
LIGHT RAIN 12 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 3
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 1
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
MAY 2026 HIGHLIGHTS BROUGHT ABOVE NORMAL TEMPERATURES AND BELOW
NORMAL PRECIPITATION TO NORTHEAST WASHINGTON AND THE NORTH IDAHO
PANHANDLE, EXCEPT FOR SPOKANE AIRPORT DUE TO A THUNDERSTORM WITH
HEAVY RAIN ON THE 28TH WITH NEAR NORMAL PRECIPITATION FOR THE MONTH.
SEVERAL SPRING TIME COLD FRONTS DELIVERING WINDY CONDITIONS WITH 30-
45 MPH WIND GUSTS. THE MONTH STARTED OFF VERY WARM AND DRY FROM THE
1ST THROUGH THE 12TH. 11 OF THESE 12 DAYS HAD HIGH TEMPERATURES IN
THE 70S TO LOWER 80S. THEN LATE ON 12TH THROUGH THE 17TH A WEATHER
SYSTEM USHERED IN WINDY CONDITIONS, RAIN, PATCHY BLOWING DUST, AND
THUNDERSTORMS ALONG WITH THE COOLEST STRETCH OF THE MONTH. HIGH
TEMPERATURES FELLG INTO THE UPPER 40S AND 50S. ON THE 13TH A DUST
STORM IN SPANGLE CLOSED US195 WITH MULTIPLE COLLISIONS. FROM THE
22ND THROUGH THE 24TH ANOTHER WARM DRY SPELL ARRIVED WITH HIGH
TEMPERATURES BACK UP INTO THE 70S TO LOW 80S. THEN ON THE 26TH MUCH
COOLER WEATHER ARRIVED WITH RAIN AND HIGHS IN THE UPPER 50S.
THEN THE 28TH BROUGHT A VERY ACTIVE DAY TO THE INLAND NORTHWEST AS
SEVERE THUNDERSTORMS ARRIVED. IT WAS THE HOTTEST DAY OF MONTH, AND
MUGGY. AN UNSTABLE ATMOSPHERE COMBINED WITH AN INCOMING SHORT WAVE
TRIGGERED ABUNDANT THUNDERSTORM ACTIVITY WITH SOME STORMS SEVERE.
DAMAGING WIND GUSTS HIT MANY AREAS INCLUDING SPOKANE WITH 50-60 MPH
WIND GUSTS, AND AREAS AROUND PRIEST LAKE AND NAPLES. THE STRONG
WINDS KNOCKED DOWNED SEVERAL TREES, LEADING TO POWER OUTAGES AND
BLOCKED ROADS. IN NAPLES TREES WENT THROUGH SOME HOMES. IN ODESSA,
THUNDERSTORMS PRODUCED VERY HEAVY RAIN WITH 1.80 INCHES FALLING IN
45 MINUTES. 8 MILES SOUTHWEST OF IRBY, LESSER ROAD WAS CLOSED FROM
BAITS ROAD TO DAVID ROAD UNTIL FURTHER NOTICE. ON THE 29TH A
THUNDERSTORM PRODUCING HEAVY RAIN AND HAIL TO NEAR DIME SIZE
IMPACTING A NARROW SWATH FROM DAVENPORT TO WELLPINIT.
NO RECORDS WERE BROKE DURING THE MONTH AT THE SPOKANE AIRPORT.
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