Climatological Report (Daily)
Issued by NWS

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478
CDUS46 KSEW 190834
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
134 AM PDT SAT OCT 19 2024

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 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         53    634 PM  71    2023  60     -7       71
  MINIMUM         44    700 AM  32    1949  47     -3       51
  AVERAGE         49                        53     -4       61

PRECIPITATION (IN)
  YESTERDAY        0.07          2.23 1947   0.13  -0.06     0.00
  MONTH TO DATE    0.99                      1.88  -0.89     2.12
  SINCE OCT 1      0.99                      1.88  -0.89     2.12
  SINCE JAN 1     19.77                     25.28  -5.51    19.94

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      0.0                                       0.0
  SINCE JUL 1      0.0                                       0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       16                        12      4        4
  MONTH TO DATE  161                       169     -8      109
  SINCE SEP 1    267                       271     -4      217
  SINCE JUL 1    305                       326    -21      229

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1     42                        30     12       26
  SINCE JAN 1    315                       263     52      378
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     8.1


SKY COVER
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1100 PM
 LOWEST     66           400 PM
 AVERAGE    82

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        72      2014
 MINIMUM TEMPERATURE (F)   46        28      1949


SUNRISE AND SUNSET
OCTOBER 19 2024.......SUNRISE   735 AM PDT   SUNSET   613 PM PDT
OCTOBER 20 2024.......SUNRISE   736 AM PDT   SUNSET   611 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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