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 310857
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
157 AM PDT FRI JUL 31 2015


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 30 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         94    356 PM  96    2009  77     17       85
  MINIMUM         63    407 AM  48    1951  57      6       58
  AVERAGE         79                        67     12       72

PRECIPITATION (IN)
  YESTERDAY        0.00          0.39 1955   0.01  -0.01     0.00
  MONTH TO DATE    0.09                      0.68  -0.59     0.77
  SINCE OCT 1     32.71                     35.09  -2.38    35.07
  SINCE JAN 1     16.33                     19.69  -3.36    28.08

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    2                        48    -46       14
  SINCE JUN 1     31                       192   -161      108
  SINCE JUL 1      2                        48    -46       14

 COOLING
  YESTERDAY       14                         3     11        7
  MONTH TO DATE  189                        70    119      141
  SINCE JUN 1    307                        91    216      152
  SINCE JAN 1    314                        97    217      167
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   N (0)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     7.8


SKY COVER
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    67           500 AM
 LOWEST     17           400 PM
 AVERAGE    42

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        93      1965
                                             1959
 MINIMUM TEMPERATURE (F)   57        47      1954


SUNRISE AND SUNSET
JULY 31 2015..........SUNRISE   546 AM PDT   SUNSET   845 PM PDT
AUGUST  1 2015........SUNRISE   547 AM PDT   SUNSET   843 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.