Climatological Report (Daily)
Issued by NWS

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 260827
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
127 AM PDT WED JUL 26 2017


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 25 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         87    353 PM  94    1988  77     10       86
  MINIMUM         58    419 AM  47    1954  56      2       59
  AVERAGE         73                        67      6       73

PRECIPITATION (IN)
  YESTERDAY        0.00          0.40 1983   0.02  -0.02     0.00
  MONTH TO DATE    0.00                      0.60  -0.60     0.72
  SINCE OCT 1     48.80                     35.01  13.79    47.95
  SINCE JAN 1     28.40                     19.61   8.79    23.56

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    5                        43    -38       10
  SINCE JUN 1    104                       187    -83      101
  SINCE JUL 1      5                        43    -38       10

 COOLING
  YESTERDAY        8                         3      5        8
  MONTH TO DATE   64                        55      9       44
  SINCE JUN 1    107                        76     31       98
  SINCE JAN 1    126                        82     44      124
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   N (340)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     7.2


SKY COVER
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    72           400 AM
 LOWEST     23           500 PM
 AVERAGE    48

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        92      1971
 MINIMUM TEMPERATURE (F)   56        49      1952


SUNRISE AND SUNSET
JULY 26 2017..........SUNRISE   540 AM PDT   SUNSET   850 PM PDT
JULY 27 2017..........SUNRISE   541 AM PDT   SUNSET   849 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.