Climatological Report (Daily)
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621
CDUS46 KSEW 130832
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
132 AM PDT TUE AUG 13 2024

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 12 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         73    321 PM  96    1977  78     -5       82
  MINIMUM         57    553 AM  49    1949  58     -1       63
                                      1950
                                      1953
  AVERAGE         65                        68     -3       73

PRECIPITATION (IN)
  YESTERDAY        0.00          0.56 1965   0.03  -0.03     0.00
  MONTH TO DATE    0.00                      0.29  -0.29     0.04
  SINCE OCT 1     33.44                     37.05  -3.61    29.04
  SINCE JAN 1     16.29                     21.11  -4.82    14.15

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      0.3                                       8.1
  SINCE JUL 1      0.0                                       0.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    2                         5     -3        0
  SINCE JUN 1    141                       154    -13      114
  SINCE JUL 1      9                        36    -27        2

 COOLING
  YESTERDAY        0                         4     -4        8
  MONTH TO DATE   53                        48      5       61
  SINCE JUN 1    236                       173     63      209
  SINCE JAN 1    243                       183     60      244
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     8.8


SKY COVER
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           300 AM
 LOWEST     40           200 PM
 AVERAGE    60

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        92      2002
 MINIMUM TEMPERATURE (F)   58        44      1955


SUNRISE AND SUNSET
AUGUST 13 2024........SUNRISE   604 AM PDT   SUNSET   823 PM PDT
AUGUST 14 2024........SUNRISE   605 AM PDT   SUNSET   822 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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