Climatological Report (Daily)
Issued by NWS

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531
CDUS46 KSEW 190829
CLISEA

CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
129 AM PDT SUN MAY 19 2024

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 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         58   1208 PM  89    1958  67     -9       76
  MINIMUM         47   1159 PM  37    1950  49     -2       55
                                      2003
  AVERAGE         53                        58     -5       66

PRECIPITATION (IN)
  YESTERDAY        0.24          0.72 2005   0.06   0.18     0.00
  MONTH TO DATE    0.54                      1.15  -0.61     0.91
  SINCE OCT 1     31.09                     33.98  -2.89    27.67
  SINCE JAN 1     13.94                     18.04  -4.10    12.78

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      0.3                                       8.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       12                         7      5        0
  MONTH TO DATE  158                       160     -2       92
  SINCE MAR 1   1127                      1129     -2     1170
  SINCE JUL 1   4017                      4176   -159     4257

 COOLING
  YESTERDAY        0                         0      0        1
  MONTH TO DATE    7                         0      7       30
  SINCE MAR 1      7                         1      6       30
  SINCE JAN 1      7                         1      6       30
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     6.3


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           900 PM
 LOWEST     54          1100 AM
 AVERAGE    72

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        88      1963
 MINIMUM TEMPERATURE (F)   49        38      1975


SUNRISE AND SUNSET
MAY 19 2024...........SUNRISE   527 AM PDT   SUNSET   845 PM PDT
MAY 20 2024...........SUNRISE   526 AM PDT   SUNSET   846 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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