Climatological Report (Daily)
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065
CDUS46 KSEW 120827
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT FRI APR 12 2024

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 11 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         55    229 PM  80    2004  58     -3       52
  MINIMUM         42    314 AM  34    2021  43     -1       39
  AVERAGE         49                        50     -1       46

PRECIPITATION (IN)
  YESTERDAY        T             1.04 1966   0.12  -0.12     0.09
  MONTH TO DATE    0.40                      1.30  -0.90     2.37
  SINCE OCT 1     30.06                     30.95  -0.89    25.27
  SINCE JAN 1     12.91                     15.01  -2.10    10.38

SNOWFALL (IN)
  YESTERDAY       MM             T    1971                   0.0
  MONTH TO DATE    0.0                                        T
  SINCE OCT 1      0.3                                       8.1
  SINCE JUL 1      0.3                                       8.1
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY       16                        15      1       19
  MONTH TO DATE  179                       170      9      210
  SINCE MAR 1    728                       727      1      802
  SINCE JUL 1   3618                      3774   -156     3889

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     6.4


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86          1100 PM
 LOWEST     52           200 PM
 AVERAGE    69

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        79      2008
 MINIMUM TEMPERATURE (F)   43        33      1968
                                             2022


SUNRISE AND SUNSET
APRIL 12 2024.........SUNRISE   625 AM PDT   SUNSET   755 PM PDT
APRIL 13 2024.........SUNRISE   623 AM PDT   SUNSET   757 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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