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
000
CDUS46 KSEW 270831
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
130 AM PDT TUE SEP 27 2016


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 26 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         77    356 PM  78    2006  67     10       65
                                      1991
                                      1970
  MINIMUM         53    632 AM  39    1972  50      3       50
  AVERAGE         65                        59      6       58

PRECIPITATION (IN)
  YESTERDAY        0.00          1.51 1948   0.07  -0.07     0.00
  MONTH TO DATE    1.03                      1.24  -0.21     0.83
  SINCE OCT 1     49.15                     37.23  11.92    36.82
  SINCE JAN 1     24.76                     21.83   2.93    20.44

DEGREE DAYS
 HEATING
  YESTERDAY        0                         7     -7        7
  MONTH TO DATE   84                       102    -18      115
  SINCE SEP 1     84                       102    -18      115
  SINCE JUL 1    105                       187    -82      127

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    3                        19    -16       14
  SINCE SEP 1      3                        19    -16       14
  SINCE JAN 1    291                       187    104      474
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   N (340)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED     5.8


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           500 AM
 LOWEST     47           400 PM
 AVERAGE    67

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        89      1967
 MINIMUM TEMPERATURE (F)   50        35      1972


SUNRISE AND SUNSET
SEPTEMBER 27 2016.....SUNRISE   704 AM PDT   SUNSET   655 PM PDT
SEPTEMBER 28 2016.....SUNRISE   705 AM PDT   SUNSET   653 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.