


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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033 CDUS46 KSEW 180826 CLIOLM CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 126 AM PDT MON AUG 18 2025 ................................... ...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 17 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1941 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 74 346 PM 98 1977 78 -4 85 MINIMUM 58 513 AM 38 1973 51 7 47 AVERAGE 66 64 2 66 PRECIPITATION (IN) YESTERDAY 0.00 0.58 2024 0.04 -0.04 0.58 MONTH TO DATE 1.05 0.39 0.66 0.58 SINCE OCT 1 38.92 48.01 -9.09 46.24 SINCE JAN 1 18.02 26.88 -8.86 25.88 DEGREE DAYS HEATING YESTERDAY 0 2 -2 0 MONTH TO DATE 13 34 -21 12 SINCE JUN 1 225 296 -71 217 SINCE JUL 1 60 107 -47 36 COOLING YESTERDAY 1 2 -1 1 MONTH TO DATE 45 34 11 48 SINCE JUN 1 141 93 48 170 SINCE JAN 1 141 95 46 173 ................................................................... WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 4.1 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 100 AM LOWEST 48 400 PM AVERAGE 71 .......................................................... THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 96 2022 MINIMUM TEMPERATURE (F) 50 33 1973 SUNRISE AND SUNSET AUGUST 18 2025........SUNRISE 613 AM PDT SUNSET 816 PM PDT AUGUST 19 2025........SUNRISE 615 AM PDT SUNSET 815 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$