Climatological Report (Daily)
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574
CDUS46 KSEW 280826
CLIOLM

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT THU AUG 28 2025

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

...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 27 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         66    234 PM  92    1967  77    -11       70
                                      2009
  MINIMUM         60   1159 PM  38    1955  49     11       48
  AVERAGE         63                        63      0       59

PRECIPITATION (IN)
  YESTERDAY        0.06          0.89 1991   0.04   0.02     0.00
  MONTH TO DATE    1.11                      0.78   0.33     1.38
  SINCE OCT 1     38.98                     48.40  -9.42    47.04
  SINCE JAN 1     18.08                     27.27  -9.19    26.68

DEGREE DAYS
 HEATING
  YESTERDAY        2                         3     -1        6
  MONTH TO DATE   19                        57    -38       46
  SINCE JUN 1    231                       319    -88      251
  SINCE JUL 1     66                       130    -64       70

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   87                        44     43       49
  SINCE JUN 1    183                       103     80      171
  SINCE JAN 1    183                       105     78      174
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     3.5


SKY COVER
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           800 PM
 LOWEST     73          1200 AM
 AVERAGE    85

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


THE OLYMPIA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        98      1967
 MINIMUM TEMPERATURE (F)   49        37      1985


SUNRISE AND SUNSET
AUGUST 28 2025........SUNRISE   626 AM PDT   SUNSET   758 PM PDT
AUGUST 29 2025........SUNRISE   628 AM PDT   SUNSET   756 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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