Climatological Report (Daily)
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293
CDUS46 KSEW 010827
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT TUE OCT 01 2024

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 2024...

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)
 YESTERDAY
  MAXIMUM         67    358 PM  82    1992  67      0       62
  MINIMUM         48    649 AM  36    1950  51     -3       48
  AVERAGE         58                        59     -1       55

PRECIPITATION (IN)
  YESTERDAY        0.00          1.65 1953   0.08  -0.08     0.00
  MONTH TO DATE    0.62                      1.61  -0.99     3.44
  SINCE OCT 1     35.72                     39.34  -3.62    32.71
  SINCE JAN 1     18.57                     23.40  -4.83    17.82

SNOWFALL (IN)
  YESTERDAY        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       0

DEGREE DAYS
 HEATING
  YESTERDAY        7                         6      1       10
  MONTH TO DATE  106                       103      3      108
  SINCE SEP 1    106                       103      3      108
  SINCE JUL 1    144                       158    -14      120

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   42                        30     12       26
  SINCE SEP 1     42                        30     12       26
  SINCE JAN 1    315                       263     52      378
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   N (10)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED     7.3


SKY COVER
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83          1100 PM
 LOWEST     35           500 PM
 AVERAGE    59

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        89      1987
 MINIMUM TEMPERATURE (F)   51        35      1950


SUNRISE AND SUNSET
OCTOBER  1 2024.......SUNRISE   709 AM PDT   SUNSET   647 PM PDT
OCTOBER  2 2024.......SUNRISE   710 AM PDT   SUNSET   645 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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