National Weather Service - Climate Data

These data are preliminary and have not undergone final quality control by the National Climatic Data Center (NCDC). Therefore, these data are subject to revision. Final and certified climate data can be accessed at the NCDC - http://www.ncdc.noaa.gov.

Climatological Report (Daily)


847
CDUS46 KSEW 230136
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
535 PM PST FRI FEB 22 2019


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 22 2019...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         42   1158 AM  64    1966  51     -9       38
  MINIMUM         34    341 AM  26    2018  37     -3       26
  AVERAGE         38                        44     -6       32

PRECIPITATION (IN)
  TODAY            0.11          0.71 2002   0.12  -0.01      T
  MONTH TO DATE    4.56                      2.77   1.79     1.71
  SINCE OCT 1     23.67                     23.74  -0.07    28.69
  SINCE JAN 1      8.39                      8.34   0.05     9.83

SNOWFALL (IN)
  TODAY            T             3.1  1957                    T
  MONTH TO DATE   20.2                                       1.0
  SINCE OCT 1     20.2                                       4.0
  SINCE JUL 1     20.2                                       4.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           27                        21      6       33
  MONTH TO DATE  630                       480    150      506
  SINCE DEC 1   1879                      1946    -67     1890
  SINCE JUL 1   2822                      3129   -307     2879

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    10.6


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           200 PM
 LOWEST     57          1200 PM
 AVERAGE    71

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   51        61      1983
                                             1958
 MINIMUM TEMPERATURE (F)   37        24      2018


SUNRISE AND SUNSET
FEBRUARY 22 2019......SUNRISE   703 AM PST   SUNSET   543 PM PST
FEBRUARY 23 2019......SUNRISE   701 AM PST   SUNSET   545 PM PST


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





The U.S. Naval Observatory (USNO) computes astronomical data. Therefore, the NWS does not record, certify, or authenticate astronomical data. Computed times of sunrise, sunset, moonrise, moonset; and twilight, moon phases and other astronomical data are available from USNO's Astronomical Applications Department (http://www.usno.navy.mil). See http://www.usno.navy.mil/USNO/astronomical-applications/astronomical-information-center/litigation for information on using these data for legal purposes.