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 230836
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
136 AM PDT WED AUG 23 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 22 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         86    455 PM  87    1946  76     10       72
  MINIMUM         60    528 AM  45    1960  56      4       55
  AVERAGE         73                        66      7       64

PRECIPITATION (IN)
  YESTERDAY        0.00          1.41 2001   0.03  -0.03     0.00
  MONTH TO DATE    0.02                      0.55  -0.53     0.16
  SINCE OCT 1     48.82                     35.66  13.16    48.11
  SINCE JAN 1     28.42                     20.26   8.16    23.72

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        1
  MONTH TO DATE    1                        22    -21        6
  SINCE JUN 1    106                       215   -109      108
  SINCE JUL 1      7                        71    -64       17

 COOLING
  YESTERDAY        8                         2      6        0
  MONTH TO DATE  128                        58     70       98
  SINCE JUN 1    258                       150    108      227
  SINCE JAN 1    277                       156    121      253
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     N (21)
  AVERAGE WIND SPEED     5.7


SKY COVER
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84          1100 PM
 LOWEST     34           300 PM
 AVERAGE    59

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        91      1988
 MINIMUM TEMPERATURE (F)   56        46      1955


SUNRISE AND SUNSET
AUGUST 23 2017........SUNRISE   616 AM PDT   SUNSET   806 PM PDT
AUGUST 24 2017........SUNRISE   618 AM PDT   SUNSET   804 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.