Climatological Report (Daily)
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737
CDUS46 KSEW 290831
CLIOLM

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
131 AM PDT TUE SEP 29 2026

...................................

...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1941 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         67    323 PM  88    2017  68     -1       74
  MINIMUM         34    535 AM  30    1999  44    -10       45
  AVERAGE         51                        56     -5       60

PRECIPITATION (IN)
  YESTERDAY        0.00          2.93 2013   0.10  -0.10     0.00
  MONTH TO DATE    1.69                      1.85  -0.16     0.67
  SINCE OCT 1     51.04                     50.43   0.61    39.65
  SINCE JAN 1     25.84                     29.30  -3.46    18.75

DEGREE DAYS
 HEATING
  YESTERDAY       14                         9      5        5
  MONTH TO DATE  197                       165     32       88
  SINCE SEP 1    197                       165     32       88
  SINCE JUL 1    286                       305    -19      160

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         3     -3       11
  SINCE SEP 1      0                         3     -3       11
  SINCE JAN 1    124                       108     16      201
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     6.5


SKY COVER
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     45          1200 PM
 AVERAGE    73

..........................................................


THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        89      1993
 MINIMUM TEMPERATURE (F)   44        30      1961
                                             1985


SUNRISE AND SUNSET
SEPTEMBER 29 2026.....SUNRISE   708 AM PDT   SUNSET   655 PM PDT
SEPTEMBER 30 2026.....SUNRISE   709 AM PDT   SUNSET   653 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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