Climatological Report (Daily)
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000
CDUS46 KSEW 170831
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
131 AM PDT WED JUL 17 2019


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 16 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         80    439 PM  98    1979  76      4       92
  MINIMUM         62    620 AM  50    1968  56      6       63
                                      1953
                                      1904
  AVERAGE         71                        66      5       78

PRECIPITATION (IN)
  YESTERDAY        0.00          0.65 2001   0.02  -0.02     0.00
  MONTH TO DATE    0.79                      0.43   0.36     0.05
  SINCE OCT 1     30.94                     34.84  -3.90    38.07
  SINCE JAN 1     15.66                     19.44  -3.78    19.21

DEGREE DAYS
 HEATING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE    9                        34    -25        6
  SINCE JUN 1     82                       178    -96      108
  SINCE JUL 1      9                        34    -25        6

 COOLING
  YESTERDAY        6                         2      4       13
  MONTH TO DATE   35                        28      7       82
  SINCE JUN 1     73                        49     24      118
  SINCE JAN 1     94                        55     39      135
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     6.6


SKY COVER
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           100 AM
 LOWEST     37           400 PM
 AVERAGE    61

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        96      1979
 MINIMUM TEMPERATURE (F)   56        48      1955
                                             1953
                                             1950


SUNRISE AND SUNSET
JULY 17 2019..........SUNRISE   530 AM PDT   SUNSET   901 PM PDT
JULY 18 2019..........SUNRISE   531 AM PDT   SUNSET   900 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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