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[Printable]
148
CDUS46 KSEW 200830
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
130 AM PDT WED AUG 20 2014


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 19 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         81    246 PM  88    1967  76      5       80
  MINIMUM         60   1159 PM  48    1959  56      4       60
                                      1951
  AVERAGE         71                        66      5       70

PRECIPITATION (IN)
  YESTERDAY        0.00          0.88 1965   0.03  -0.03     0.00
  MONTH TO DATE    1.43                      0.46   0.97     0.27
  SINCE OCT 1     36.50                     35.57   0.93    40.16
  SINCE JAN 1     29.51                     20.17   9.34    18.32

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    0                        19    -19        6
  SINCE JUN 1    108                       212   -104       64
  SINCE JUL 1     14                        68    -54       15

 COOLING
  YESTERDAY        6                         2      4        5
  MONTH TO DATE  112                        52     60       95
  SINCE JUN 1    275                       144    131      257
  SINCE JAN 1    290                       150    140      270
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     5.4


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           500 AM
 LOWEST     49           200 PM
 AVERAGE    70

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        87      1966
 MINIMUM TEMPERATURE (F)   56        47      1952


SUNRISE AND SUNSET
AUGUST 20 2014........SUNRISE   612 AM PDT   SUNSET   812 PM PDT
AUGUST 21 2014........SUNRISE   613 AM PDT   SUNSET   810 PM PDT


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




$$





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