Climatological Report (Daily)
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
768
CDUS46 KSEW 170830
CLISEA
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
130 AM PDT TUE JUN 17 2025
...................................
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 16 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 74 322 PM 88 1961 71 3 64
1969
MINIMUM 50 504 AM 42 1954 53 -3 47
AVERAGE 62 62 0 56
PRECIPITATION (IN)
YESTERDAY 0.00 0.52 2005 0.04 -0.04 T
MONTH TO DATE 0.00 0.86 -0.86 1.12
SINCE OCT 1 27.34 35.57 -8.23 33.42
SINCE JAN 1 13.94 19.63 -5.69 16.27
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0
MONTH TO DATE 0.0 0.0
SINCE OCT 1 2.3 0.3
SINCE JUL 1 2.3 0.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 3 4 -1 9
MONTH TO DATE 51 75 -24 99
SINCE JUN 1 51 75 -24 99
SINCE JUL 1 4378 4333 45 4271
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 28 16 12 1
SINCE JUN 1 28 16 12 1
SINCE JAN 1 31 26 5 8
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 4.8
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 500 AM
LOWEST 24 500 PM
AVERAGE 54
..........................................................
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 91 1969
MINIMUM TEMPERATURE (F) 53 43 1954
SUNRISE AND SUNSET
JUNE 17 2025..........SUNRISE 512 AM PDT SUNSET 909 PM PDT
JUNE 18 2025..........SUNRISE 512 AM PDT SUNSET 909 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$