148
CDUS46 KSEW 150842
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
142 AM PDT MON MAY 15 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 14 2023
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)
YESTERDAY
MAXIMUM 89R 328 PM 88 2018 66 23 66
MINIMUM 59 503 AM 36 1964 49 10 46
AVERAGE 74 57 17 56
PRECIPITATION (IN)
YESTERDAY 0.00 0.97 2011 0.06 -0.06 0.03
MONTH TO DATE 0.79 0.92 -0.13 2.29
SINCE OCT 1 27.55 33.75 -6.20 40.80
SINCE JAN 1 12.66 17.81 -5.15 20.70
SNOWFALL (IN)
YESTERDAY 0.0 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 0
DEGREE DAYS
HEATING
YESTERDAY 0 8 -8 9
MONTH TO DATE 92 130 -38 205
SINCE MAR 1 1170 1099 71 1287
SINCE JUL 1 4257 4146 111 4544
COOLING
YESTERDAY 9 0 9 0
MONTH TO DATE 17 0 17 0
SINCE MAR 1 17 1 16 0
SINCE JAN 1 17 1 16 0
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WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION N (10)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 10.0
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 58 500 AM
LOWEST 22 700 PM
AVERAGE 40
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 85 2007
MINIMUM TEMPERATURE (F) 49 38 1964
SUNRISE AND SUNSET
MAY 15 2023...........SUNRISE 532 AM PDT SUNSET 839 PM PDT
MAY 16 2023...........SUNRISE 531 AM PDT SUNSET 841 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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