Climatological Report (Daily)
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000
CDUS46 KSEW 170827
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT WED APR 17 2024

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 16 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         54    425 PM  81    1947  59     -5       51
                                      1999
  MINIMUM         40   1159 PM  34    1960  43     -3       38
                                      1972
                                      1976
  AVERAGE         47                        51     -4       45

PRECIPITATION (IN)
  YESTERDAY        T             0.95 1992   0.11  -0.11     0.34
  MONTH TO DATE    0.40                      1.86  -1.46     2.73
  SINCE OCT 1     30.06                     31.51  -1.45    25.63
  SINCE JAN 1     12.91                     15.57  -2.66    10.74

SNOWFALL (IN)
  YESTERDAY        0.0           1.1  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
  YESTERDAY       18                        14      4       20
  MONTH TO DATE  249                       240      9      305
  SINCE MAR 1    798                       797      1      897
  SINCE JUL 1   3688                      3844   -156     3984

 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   0   RESULTANT WIND DIRECTION   S (180)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     6.7


SKY COVER
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79           700 AM
 LOWEST     33           500 PM
 AVERAGE    56

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        80      2016
                                             2021
 MINIMUM TEMPERATURE (F)   43        33      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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