Climatological Report (Daily)
Issued by NWS

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925
CDUS46 KSEW 310117
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT TUE JUL 30 2024

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 30 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         76    307 PM  96    2009  79     -3       77
  MINIMUM         61    442 AM  48    1951  58      3       58
  AVERAGE         69                        68      1       68

PRECIPITATION (IN)
  TODAY            0.03          0.39 1955   0.02   0.01     0.00
  MONTH TO DATE    0.16                      0.58  -0.42     0.09
  SINCE OCT 1     33.44                     36.74  -3.30    29.00
  SINCE JAN 1     16.29                     20.80  -4.51    14.11

SNOWFALL (IN)
  TODAY            0.0          MM      MM                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      0.3                                       8.1
  SINCE JUL 1      0.0                                       0.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY            0                         1     -1        0
  MONTH TO DATE    7                        36    -29        2
  SINCE JUN 1    139                       154    -15      114
  SINCE JUL 1      7                        36    -29        2

 COOLING
  TODAY            4                         4      0        3
  MONTH TO DATE  159                        92     67      116
  SINCE JUN 1    178                       121     57      145
  SINCE JAN 1    185                       131     54      180
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED    10.5


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM
 LOWEST     57           300 PM
 AVERAGE    75

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        95      2022
 MINIMUM TEMPERATURE (F)   58        47      1954


SUNRISE AND SUNSET
JULY 30 2024..........SUNRISE   546 AM PDT   SUNSET   845 PM PDT
JULY 31 2024..........SUNRISE   547 AM PDT   SUNSET   843 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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