


Climatological Report (Monthly)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
450 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.