CDUS46 KSEW 160827
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT THU APR 16 2026

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 15 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         50    222 PM  75    2021  59     -9       66
  MINIMUM         36   1145 PM  33    1967  43     -7       46
  AVERAGE         43                        51     -8       56

PRECIPITATION (IN)
  YESTERDAY        0.36          0.75 1950   0.11   0.25     0.00
  MONTH TO DATE    2.22                      1.75   0.47     1.95
  SINCE OCT 1     32.90                     31.40   1.50    25.91
  SINCE JAN 1     16.12                     15.46   0.66    12.51

SNOWFALL (IN)
  YESTERDAY        0.0           T    1968                   0.0
                                      1986
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      3.0                                       2.3
  SINCE JUL 1      3.0                                       2.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       22                        14      8        9
  MONTH TO DATE  210                       226    -16      208
  SINCE MAR 1    795                       783     12      754
  SINCE JUL 1   3545                      3830   -285     3911

 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   E (110)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     8.7


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96          1000 PM
 LOWEST     58           100 PM
 AVERAGE    77

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        81      1947
                                             1999
 MINIMUM TEMPERATURE (F)   43        34      1960
                                             1972
                                             1976


SUNRISE AND SUNSET
APRIL 16 2026.........SUNRISE   618 AM PDT   SUNSET   800 PM PDT
APRIL 17 2026.........SUNRISE   617 AM PDT   SUNSET   802 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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