Climatological Report (Daily)
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
115
CDUS46 KSEW 010119
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
619 PM PDT TUE APR 30 2024

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 30 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    451 PM  85    1976  63     -7       61
  MINIMUM         41    520 AM  32    1954  46     -5       48
  AVERAGE         49                        54     -5       55

PRECIPITATION (IN)
  TODAY            0.02          0.87 1987   0.08  -0.06     0.00
  MONTH TO DATE    0.89                      3.18  -2.29     3.86
  SINCE OCT 1     30.55                     32.83  -2.28    26.76
  SINCE JAN 1     13.40                     16.89  -3.49    11.87

SNOWFALL (IN)
  TODAY            0.0           T    1954                   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           16                        11      5       10
  MONTH TO DATE  420                       412      8      486
  SINCE MAR 1    969                       969      0     1078
  SINCE JUL 1   3859                      4016   -157     4165

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         1     -1        0
  SINCE MAR 1      0                         1     -1        0
  SINCE JAN 1      0                         1     -1        0
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     6.8


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           200 AM
 LOWEST     45           400 PM
 AVERAGE    65

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   63        85      2014
 MINIMUM TEMPERATURE (F)   46        28      1954


SUNRISE AND SUNSET
APRIL 30 2024.........SUNRISE   553 AM PDT   SUNSET   821 PM PDT
MAY  1 2024...........SUNRISE   551 AM PDT   SUNSET   822 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$