Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KSEW 170118
CLIOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
618 PM PDT TUE SEP 16 2025
...................................
...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 88 433 PM 90 1967 72 16 71
MINIMUM 45 612 AM 33 1973 46 -1 42
1992
AVERAGE 67 59 8 57
PRECIPITATION (IN)
TODAY 0.00 0.95 1997 0.06 -0.06 0.00
MONTH TO DATE 0.07 0.91 -0.84 1.40
SINCE OCT 1 39.05 49.49 -10.44 48.44
SINCE JAN 1 18.15 28.36 -10.21 28.08
DEGREE DAYS
HEATING
TODAY 0 6 -6 8
MONTH TO DATE 27 74 -47 47
SINCE SEP 1 27 74 -47 47
SINCE JUL 1 99 214 -115 126
COOLING
TODAY 2 0 2 0
MONTH TO DATE 11 3 8 28
SINCE SEP 1 11 3 8 28
SINCE JAN 1 201 108 93 209
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (30)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 2.8
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 600 AM
LOWEST 28 300 PM
AVERAGE 64
..........................................................
THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 86 1994
MINIMUM TEMPERATURE (F) 46 32 1965
SUNRISE AND SUNSET
SEPTEMBER 16 2025.....SUNRISE 651 AM PDT SUNSET 720 PM PDT
SEPTEMBER 17 2025.....SUNRISE 652 AM PDT SUNSET 718 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$