


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
814 CXUS56 KSEW 011039 CLMOLM CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 339 AM PDT MON SEP 01 2025 ................................... ...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1941 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 104 08/09/1981 LOW 33 08/18/1973 HIGHEST 95 08/12 MM MM 92 08/08 08/24 LOWEST 45 08/21 MM MM 42 08/28 AVG. MAXIMUM 80.1 78.0 2.1 77.8 AVG. MINIMUM 53.8 50.5 3.3 51.7 MEAN 66.9 64.2 2.7 64.8 DAYS MAX >= 90 7 2.3 4.7 2 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 5.45 1968 MINIMUM T 1998 TOTALS 1.11 0.96 0.15 1.38 DAILY AVG. 0.04 0.03 0.01 0.04 DAYS >= .01 6 4.8 1.2 7 DAYS >= .10 3 2.3 0.7 5 DAYS >= .50 1 0.6 0.4 1 DAYS >= 1.00 0 0.1 -0.1 0 GREATEST 24 HR. TOTAL 0.79 08/15 TO 08/15 DEGREE DAYS HEATING TOTAL 25 67 -42 55 SINCE 7/1 72 142 -70 MM COOLING TOTAL 94 44 50 56 SINCE 1/1 190 105 85 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 4.8 HIGHEST WIND SPEED/DIRECTION 23/180 DATE 08/15 HIGHEST GUST SPEED/DIRECTION 32/180 DATE 08/15 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.32 NUMBER OF DAYS FAIR 17 NUMBER OF DAYS PC 10 NUMBER OF DAYS CLOUDY 4 AVERAGE RH (PERCENT) 69 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 2 LIGHT RAIN 6 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 12 FOG W/VIS <= 1/4 MILE 3 HAZE 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$