348
CDUS46 KSEW 170927
CLIOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PST WED DEC 17 2025
...............................
..THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 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 55 1021 PM 57 1974 45 10 50
MINIMUM 47 219 AM 5 1964 33 14 39
AVERAGE 51 38 13 45
PRECIPITATION (IN)
YESTERDAY 1.00 2.90 2001 0.23 0.77 0.55
MONTH TO DATE 9.36 4.06 5.30 3.02
SINCE OCT 1 21.14 17.34 3.80 13.68
SINCE JAN 1 40.50 46.83 -6.33 42.27
DEGREE DAYS
HEATING
YESTERDAY 14 26 -12 20
MONTH TO DATE 256 411 -155 399
SINCE DEC 1 256 411 -155 399
SINCE JUL 1 1395 1842 -447 1586
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 201 113 88 214
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WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 10.3
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 600 PM
LOWEST 89 1200 AM
AVERAGE 93
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THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 56 1979
MINIMUM TEMPERATURE (F) 33 3 1964
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 752 AM PST SUNSET 424 PM PST
DECEMBER 18 2025......SUNRISE 753 AM PST SUNSET 424 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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