488
CDUS46 KSEW 130836
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
136 AM PDT SAT MAY 13 2023
...............................
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 12 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 82R 402 PM 81 1959 66 16 51
MINIMUM 52 410 AM 38 1964 48 4 42
1985
2011
AVERAGE 67 57 10 47
PRECIPITATION (IN)
YESTERDAY 0.00 0.71 1996 0.06 -0.06 0.29
MONTH TO DATE 0.79 0.80 -0.01 2.26
SINCE OCT 1 27.55 33.63 -6.08 40.77
SINCE JAN 1 12.66 17.69 -5.03 20.67
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 18
MONTH TO DATE 92 114 -22 180
SINCE MAR 1 1170 1083 87 1262
SINCE JUL 1 4257 4130 127 4519
COOLING
YESTERDAY 2 0 2 0
MONTH TO DATE 2 0 2 0
SINCE MAR 1 2 1 1 0
SINCE JAN 1 2 1 1 0
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WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (350)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 400 AM
LOWEST 25 500 PM
AVERAGE 46
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THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 85 2018
MINIMUM TEMPERATURE (F) 48 37 1956
SUNRISE AND SUNSET
MAY 13 2023...........SUNRISE 535 AM PDT SUNSET 837 PM PDT
MAY 14 2023...........SUNRISE 534 AM PDT SUNSET 838 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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