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
200 CDUS46 KSEW 220831 CLISEA CLIMATE REPORT NATIONAL WEATHER SERVICE SEATTLE 131 AM PDT SUN SEP 22 2024 ................................... ...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 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 70 357 PM 88 1952 70 0 70 1974 MINIMUM 47 544 AM 39 1955 53 -6 48 1960 AVERAGE 59 61 -2 59 PRECIPITATION (IN) YESTERDAY 0.00 0.94 1981 0.06 -0.06 0.00 MONTH TO DATE 0.41 1.02 -0.61 0.70 SINCE OCT 1 35.51 38.75 -3.24 29.97 SINCE JAN 1 18.36 22.81 -4.45 15.08 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 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 6 4 2 6 MONTH TO DATE 61 55 6 43 SINCE SEP 1 61 55 6 43 SINCE JUL 1 99 110 -11 55 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 37 30 7 26 SINCE SEP 1 37 30 7 26 SINCE JAN 1 310 263 47 378 ................................................................... WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NW (330) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 4.2 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 500 AM LOWEST 40 700 PM AVERAGE 67 .......................................................... THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 70 92 1990 MINIMUM TEMPERATURE (F) 53 37 1955 SUNRISE AND SUNSET SEPTEMBER 22 2024.....SUNRISE 657 AM PDT SUNSET 705 PM PDT SEPTEMBER 23 2024.....SUNRISE 658 AM PDT SUNSET 703 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$