Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KSEW 190118
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
618 PM PDT THU APR 18 2024

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 18 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         64    154 PM  89    2016  60      4       48
  MINIMUM         39    418 AM  34    1950  44     -5       38
                                      1961
                                      1964
  AVERAGE         52                        52      0       43

PRECIPITATION (IN)
  TODAY            0.00          0.48 2017   0.10  -0.10     0.12
  MONTH TO DATE    0.40                      2.07  -1.67     2.90
  SINCE OCT 1     30.06                     31.72  -1.66    25.80
  SINCE JAN 1     12.91                     15.78  -2.87    10.91

SNOWFALL (IN)
  TODAY            0.0          MM      MM                   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           13                        13      0       22
  MONTH TO DATE  279                       267     12      348
  SINCE MAR 1    828                       824      4      940
  SINCE JUL 1   3718                      3871   -153     4027

 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   9   RESULTANT WIND DIRECTION   N (10)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     9.6


SKY COVER
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           600 AM
 LOWEST     21           400 PM
 AVERAGE    49

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        84      2016
 MINIMUM TEMPERATURE (F)   44        33      1961


SUNRISE AND SUNSET
APRIL 18 2024.........SUNRISE   614 AM PDT   SUNSET   804 PM PDT
APRIL 19 2024.........SUNRISE   612 AM PDT   SUNSET   805 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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