Climatological Report (Daily)
Issued by NWS

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798
CDUS46 KSEW 160825
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
125 AM PDT THU MAY 16 2024

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 15 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         75    446 PM  88    2023  66      9       88
  MINIMUM         51    526 AM  38    1964  49      2       58
  AVERAGE         63                        58      5       73

PRECIPITATION (IN)
  YESTERDAY        0.00          0.81 2011   0.06  -0.06     0.12
  MONTH TO DATE    0.28                      0.98  -0.70     0.91
  SINCE OCT 1     30.83                     33.81  -2.98    27.67
  SINCE JAN 1     13.68                     17.87  -4.19    12.78

SNOWFALL (IN)
  YESTERDAY        0.0           T    1974                   0.0
  MONTH TO DATE    0.0                                       0.0
  SINCE OCT 1      0.3                                       8.1
  SINCE JUL 1      0.3                                       8.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        2                         8     -6        0
  MONTH TO DATE  127                       138    -11       92
  SINCE MAR 1   1096                      1107    -11     1170
  SINCE JUL 1   3986                      4154   -168     4257

 COOLING
  YESTERDAY        0                         0      0        8
  MONTH TO DATE    7                         0      7       25
  SINCE MAR 1      7                         1      6       25
  SINCE JAN 1      7                         1      6       25
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  NW (330)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     5.3


SKY COVER
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80          1100 PM
 LOWEST     37           400 PM
 AVERAGE    59

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        84      1985
                                             2008
 MINIMUM TEMPERATURE (F)   49        40      2003


SUNRISE AND SUNSET
MAY 16 2024...........SUNRISE   530 AM PDT   SUNSET   842 PM PDT
MAY 17 2024...........SUNRISE   529 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.




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