Revision as of 02:37, 14 September 2013 edit72.74.152.101 (talk)No edit summary← Previous edit | Revision as of 03:36, 1 November 2013 edit undoSsbbplayer (talk | contribs)Extended confirmed users21,300 editsm use absolute monthly values for sunshine hours, not the hko source since their values are not the same as the wmo onesNext edit → | ||
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|year snow days= 4.1 | |year snow days= 4.1 | ||
|Jan sun = |
|Jan sun = 69.8 | ||
|Feb sun = |
|Feb sun = 108.8 | ||
|Mar sun = |
|Mar sun = 178.4 | ||
|Apr sun = 207. |
|Apr sun = 207.3 | ||
|May sun = |
|May sun = 253.7 | ||
|Jun sun = |
|Jun sun = 268.4 | ||
|Jul sun = |
|Jul sun = 312.0 | ||
|Aug sun = |
|Aug sun = 281.4 | ||
|Sep sun = |
|Sep sun = 221.7 | ||
|Oct sun = 142.6 | |Oct sun = 142.6 | ||
|Nov sun = 72. |
|Nov sun = 72.7 | ||
|Dec sun = 52. |
|Dec sun = 52.9 | ||
|source 1 = NOAA (extremes 1948–present)<ref name = NOAA >{{cite web | |source 1 = NOAA (extremes 1948–present, sun 1961–1990)<ref name = NOAA >{{cite web | ||
| url = http://www.nws.noaa.gov/climate/xmacis.php?wfo=sew | | url = http://www.nws.noaa.gov/climate/xmacis.php?wfo=sew | ||
| title = NowData - NOAA Online Weather Data | | title = NowData - NOAA Online Weather Data | ||
| publisher = ] | | publisher = ] | ||
| accessdate = 2011-12-15}}</ref> | | accessdate = 2011-12-15}}</ref><ref name = NOAAsun >{{cite web | ||
| url = ftp://ftp.atdd.noaa.gov/pub/GCOS/WMO-Normals/TABLES/REG_IV/US/GROUP4/72793.TXT | |||
|source 2 = Hong Kong Observatory (sun, 1961–1990)<ref name = HKO >{{cite web | |||
| title = WMO Climate Normals for Seattle/Seattle–Tacoma INTL A, WA 1961–1990 | |||
| url = http://www.hko.gov.hk/wxinfo/climat/world/eng/n_america/us/seattle_e.htm | |||
| publisher = National Oceanic and Atmospheric Administration | |||
| title = Climatological Information for Seattle, United States | |||
⚫ | | accessdate = October 31, 2013}}</ref> | ||
| publisher = ] | |||
⚫ | | accessdate = |
||
}}<noinclude> | }}<noinclude> | ||
{{Template reference list}} | {{Template reference list}} |
Revision as of 03:36, 1 November 2013
Climate data for Seattle (SeaTac Airport), 1981–2010 normals | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Record high °F (°C) | 64 (18) |
70 (21) |
78 (26) |
85 (29) |
93 (34) |
96 (36) |
103 (39) |
99 (37) |
98 (37) |
89 (32) |
74 (23) |
64 (18) |
103 (39) |
Mean daily maximum °F (°C) | 47.2 (8.4) |
49.9 (9.9) |
53.7 (12.1) |
58.5 (14.7) |
64.7 (18.2) |
69.9 (21.1) |
75.8 (24.3) |
76.3 (24.6) |
70.5 (21.4) |
59.7 (15.4) |
50.9 (10.5) |
45.7 (7.6) |
60.2 (15.7) |
Daily mean °F (°C) | 42.0 (5.6) |
43.4 (6.3) |
46.5 (8.1) |
50.3 (10.2) |
56.0 (13.3) |
60.9 (16.1) |
65.7 (18.7) |
66.1 (18.9) |
61.3 (16.3) |
52.7 (11.5) |
45.4 (7.4) |
40.6 (4.8) |
52.6 (11.4) |
Mean daily minimum °F (°C) | 36.9 (2.7) |
36.9 (2.7) |
39.3 (4.1) |
42.2 (5.7) |
47.3 (8.5) |
51.9 (11.1) |
55.6 (13.1) |
55.9 (13.3) |
52.1 (11.2) |
45.8 (7.7) |
40.0 (4.4) |
35.6 (2.0) |
45.0 (7.2) |
Record low °F (°C) | 0 (−18) |
1 (−17) |
11 (−12) |
29 (−2) |
28 (−2) |
38 (3) |
43 (6) |
44 (7) |
35 (2) |
28 (−2) |
6 (−14) |
6 (−14) |
0 (−18) |
Average precipitation inches (mm) | 5.56 (141) |
3.50 (89) |
3.72 (94) |
2.71 (69) |
1.93 (49) |
1.56 (40) |
0.70 (18) |
0.88 (22) |
1.45 (37) |
3.48 (88) |
6.57 (167) |
5.35 (136) |
37.41 (950) |
Average snowfall inches (cm) | 1.3 (3.3) |
1.4 (3.6) |
0.7 (1.8) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
1.1 (2.8) |
1.5 (3.8) |
5.9 (15) |
Average precipitation days (≥ 0.01 in) | 18.2 | 14.7 | 16.9 | 14.3 | 12.0 | 9.1 | 5.0 | 4.8 | 7.9 | 13.1 | 18.4 | 17.6 | 152.0 |
Average snowy days (≥ 0.1 in) | 1.1 | 0.7 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.4 | 1.4 | 4.1 |
Mean monthly sunshine hours | 69.8 | 108.8 | 178.4 | 207.3 | 253.7 | 268.4 | 312.0 | 281.4 | 221.7 | 142.6 | 72.7 | 52.9 | 2,169.7 |
Source: NOAA (extremes 1948–present, sun 1961–1990) |
References
These references will appear in the article, but this list appears only on this page.- "NowData - NOAA Online Weather Data". National Oceanic and Atmospheric Administration. Retrieved 2011-12-15.
- "WMO Climate Normals for Seattle/Seattle–Tacoma INTL A, WA 1961–1990". National Oceanic and Atmospheric Administration. Retrieved October 31, 2013.