Climatological Report (Daily)
Issued by NWS

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CDUS46 KSEW 220117
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT THU MAR 21 2024

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 21 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         56    250 PM  69    1992  55      1       57
  MINIMUM         46    719 AM  29    1952  41      5       42
                                      1954
                                      2009
  AVERAGE         51                        48      3       50

PRECIPITATION (IN)
  TODAY            T             2.04 1948   0.14  -0.14      T
  MONTH TO DATE    1.17                      2.90  -1.73     2.12
  SINCE OCT 1     28.47                     28.38   0.09    22.46
  SINCE JAN 1     11.32                     12.44  -1.12     7.57

SNOWFALL (IN)
  TODAY            0.0           0.2  1994                   0.0
  MONTH TO DATE    0.3                                        T
  SINCE OCT 1      0.3                                       8.1
  SINCE JUL 1      0.3                                       8.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           14                        17     -3       15
  MONTH TO DATE  396                       391      5      407
  SINCE MAR 1    396                       391      5      407
  SINCE JUL 1   3286                      3438   -152     3494

 COOLING
  TODAY            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   5   RESULTANT WIND DIRECTION   S (180)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     5.5


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM
 LOWEST     61          1100 AM
 AVERAGE    77

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   55        68      1979
 MINIMUM TEMPERATURE (F)   41        28      1952


SUNRISE AND SUNSET
MARCH 21 2024.........SUNRISE   709 AM PDT   SUNSET   724 PM PDT
MARCH 22 2024.........SUNRISE   707 AM PDT   SUNSET   726 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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