574
CDUS46 KSEW 190120
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
620 PM PDT THU MAY 18 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 18 2023
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 76 303 PM 89 1958 67 9 57
MINIMUM 56 456 AM 37 1950 49 7 46
2003
AVERAGE 66 58 8 52
PRECIPITATION (IN)
TODAY 0.00 0.72 2005 0.06 -0.06 0.24
MONTH TO DATE 0.91 1.15 -0.24 3.18
SINCE OCT 1 27.67 33.98 -6.31 41.69
SINCE JAN 1 12.78 18.04 -5.26 21.59
SNOWFALL (IN)
TODAY MM MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 8.1 9.2
SINCE JUL 1 8.1 9.2
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 7 -7 13
MONTH TO DATE 92 160 -68 252
SINCE MAR 1 1170 1129 41 1334
SINCE JUL 1 4257 4176 81 4591
COOLING
TODAY 1 0 1 0
MONTH TO DATE 30 0 30 0
SINCE MAR 1 30 1 29 0
SINCE JAN 1 30 1 29 0
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 4.8
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 600 AM
LOWEST 54 300 PM
AVERAGE 71
......................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 88 1963
MINIMUM TEMPERATURE (F) 49 38 1975
SUNRISE AND SUNSET
MAY 18 2023...........SUNRISE 529 AM PDT SUNSET 843 PM PDT
MAY 19 2023...........SUNRISE 528 AM PDT SUNSET 844 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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