Climatological Report (Daily)
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CDUS46 KSEW 180118
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
618 PM PDT WED APR 17 2024

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 17 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         59    406 PM  80    2016  59      0       51
                                      2021
  MINIMUM         36    549 AM  33    1964  43     -7       36
  AVERAGE         48                        51     -3       44

PRECIPITATION (IN)
  TODAY            0.00          0.73 2014   0.11  -0.11     0.05
  MONTH TO DATE    0.40                      1.97  -1.57     2.78
  SINCE OCT 1     30.06                     31.62  -1.56    25.68
  SINCE JAN 1     12.91                     15.68  -2.77    10.79

SNOWFALL (IN)
  TODAY            0.0           1.2  1972                   0.0
  MONTH TO DATE    0.0                                        T
  SINCE OCT 1      0.3                                       8.1
  SINCE JUL 1      0.3                                       8.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           17                        14      3       21
  MONTH TO DATE  266                       254     12      326
  SINCE MAR 1    815                       811      4      918
  SINCE JUL 1   3705                      3858   -153     4005

 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   3   RESULTANT WIND DIRECTION  NE (40)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     8.0


SKY COVER
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           300 AM
 LOWEST     27           300 PM
 AVERAGE    51

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        89      2016
 MINIMUM TEMPERATURE (F)   44        34      1950
                                             1961
                                             1964


SUNRISE AND SUNSET
APRIL 17 2024.........SUNRISE   616 AM PDT   SUNSET   802 PM PDT
APRIL 18 2024.........SUNRISE   614 AM PDT   SUNSET   804 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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