


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
554 CXUS56 KPDT 032007 CLMALW CLIMATE REPORT NATIONAL WEATHER SERVICE PENDLETON,OR 107 PM PDT TUE JUN 03 2025 ................................... ...THE WALLA WALLA WA CLIMATE SUMMARY FOR THE MONTH OF MAY 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1949 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 100 05/28/1983 LOW 26 05/01/1954 05/07/2002 05/08/1999 HIGHEST 89 05/28 85 05/11 LOWEST 34 05/05 38 05/01 05/02 AVG. MAXIMUM 72.9 71.4 1.5 69.4 AVG. MINIMUM 48.3 49.3 -1.0 47.1 MEAN 60.6 60.4 0.2 58.3 DAYS MAX >= 90 0 1.3 -1.3 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.1 -0.1 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 6.63 1991 MINIMUM 0.26 1992 TOTALS 0.92 2.07 -1.15 2.32 DAILY AVG. 0.03 0.07 -0.04 0.07 DAYS >= .01 7 9.8 -2.8 7 DAYS >= .10 2 4.7 -2.7 4 DAYS >= .50 0 1.1 -1.1 2 DAYS >= 1.00 0 0.3 -0.3 1 GREATEST 24 HR. TOTAL 0.42 05/11 TO 05/11 1.49 05/04 TO 05/05 DEGREE DAYS HEATING TOTAL 161 182 -21 222 SINCE 7/1 4673 4744 -71 COOLING TOTAL 34 37 -3 21 SINCE 1/1 36 39 -3 ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.2 RESULTANT WIND SPEED/DIRECTION 5/200 HIGHEST WIND SPEED/DIRECTION 28/250 DATE 05/31 HIGHEST GUST SPEED/DIRECTION 38/240 DATE 05/31 AVERAGE RH (PERCENT) 53 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 2 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 1 LIGHT RAIN 13 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 2 FOG W/VIS <= 1/4 MILE 0 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$