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
834
CDUS46 KSEW 200836
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
135 AM PDT FRI APR 20 2018


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 19 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         62    355 PM  84    2016  59      3       56
  MINIMUM         41    458 AM  33    1961  42     -1       46
  AVERAGE         52                        51      1       51

PRECIPITATION (IN)
  YESTERDAY        0.00          1.85 1965   0.09  -0.09     0.35
  MONTH TO DATE    5.34                      1.86   3.48     3.27
  SINCE OCT 1     36.92                     30.05   6.87    44.06
  SINCE JAN 1     18.06                     14.65   3.41    23.66

SNOWFALL (IN)
  YESTERDAY        0.0           T    2008                   0.0
                                      1985
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      4.0                                      11.2
  SINCE JUL 1      4.0                                      11.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       13                        14     -1       14
  MONTH TO DATE  305                       294     11      278
  SINCE MAR 1    877                       868      9      858
  SINCE JUL 1   3910                      4122   -212     4031

 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   N (360)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     6.0


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           400 AM
 LOWEST     39           200 PM
 AVERAGE    64

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        81      2016
 MINIMUM TEMPERATURE (F)   43        30      1961


SUNRISE AND SUNSET
APRIL 20 2018.........SUNRISE   611 AM PDT   SUNSET   806 PM PDT
APRIL 21 2018.........SUNRISE   609 AM PDT   SUNSET   807 PM PDT


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




$$




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.