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Table C-1Outdoor design temperatures for Washington.

Table C-1
Outdoor Design Temperatures
 
Outdoor Design Temp. Heating
Outdoor Design Temp. Cooling
Location
(°F)
(°F)
Aberdeen 20 NNE
25
 
83
 
Anacortes
24
 
72
 
Anatone
-4
 
89
 
Auburn
25
 
84
 
Battleground
19
 
91
 
Bellevue
24
 
83
 
Bellingham 2 N
19
 
78
 
Blaine
17
 
73
 
Bremerton
29
 
83
 
Burlington
19
 
77
 
Chehalis
21
 
87
 
Chelan
10
 
89
 
Cheney
4
 
94
 
Chesaw
-11
 
81
 
Clarkston
10
 
94
 
Cle Elum
1
 
91
 
Colfax 1 NW
2
 
94
 
Colville AP
-2
 
92
 
Concrete
19
 
83
 
Connell 4 NNW
6
 
100
 
Cougar 5 E
25
 
93
 
Dallesport AP
14
 
99
 
Darrington RS
13
 
85
 
Davenport
5
 
92
 
Edmonds
24
 
82
 
Ellensburg AP
2
 
90
 
Elma
24
 
88
 
Ephrata AP
7
 
97
 
Everett Paine AFB
21
 
79
 
Forks 1 E
23
 
81
 
Glacier RS
13
 
82
 
Glenoma (Kosmos)
18
 
89
 
Goldendale
7
 
94
 
Grays River Hatchery
24
 
86
 
Greenwater
1.4
 
84
 
Grotto
21
 
84
 
Hoquiam AP
26
 
79
 
Inchelium 2 NW
0
 
92
 
John Day Dam
19
 
100
 
Kent
21
 
85
 
Kirkland
17
 
83
 
La Grande
23
 
88
 
Leavenworth
-3
 
93
 
Little Goose Dam
22
 
101
 
Long Beach 3 NNE
25
 
77
 
Longview
24
 
87
 
Lower Granite Dam
14
 
98
 
Lower Monument Dam
18
 
103
 
Marysville
23
 
79
 
Metaline Falls
-1
 
89
 
Methow 2 W
1
 
89
 
Nespelem 2 S
-4
 
93
 
Newhalem
19
 
89
 
Newport
-5
 
92
 
Northport
2
 
92
 
Oak Harbor
16
 
74
 
Odessa
7
 
100
 
Olga 2 SE
24
 
71
 
Olympia, AP
17
 
85
 
Omak 2 NW
3
 
90
 
Oroville
5
 
93
 
Othello
9
 
98
 
Packwood
16
 
90
 
Plain
-3
 
89
 
Pleasant View
16
 
98
 
Pomeroy
3
 
95
 
Port Angeles
28
 
75
 
Port Townsend
25
 
76
 
Prosser
12
 
97
 
Puyallup
19
 
86
 
Quilcene 2 SW
23
 
83
 
Quinault RS
25
 
84
 
Rainier, Longmire
15
 
85
 
Paradise RS
8
 
71
 
Raymond
28
 
81
 
Redmond
17
 
83
 
Republic
-9
 
87
 
Richland
11
 
101
 
Ritzville
6
 
99
 
Satus Pass
10
 
90
 
Seattle: Sea-Tac AP
24
 
83
 
Sedro Woolley 1 E
19
 
78
 
Sequim
23
 
78
 
Shelton
23
 
85
 
Smyrna
8
 
102
 
Snohomish
21
 
81
 
Snoqualmie Pass
6
 
80
 
Spokane AP
4
 
92
 
Spokane CO
10
 
96
 
Stampede Pass
7
 
76
 
Stehekin 3 NW
12
 
85
 
Stevens Pass
6
 
77
 
Tacoma CO
29
 
82
 
Tatoosh Island
31
 
63
 
Toledo AP
17
 
84
 
Vancouver
22
 
88
 
Vashon Island
28
 
78
 
Walla Walla AP
6
 
96
 
Waterville
1
 
88
 
Wellpinit
1
 
93
 
Wenatchee CO
10
 
92
 
Whidbey Island
11
 
71
 
Willapa Harbor
26
 
81
 
Wilson Creek
3
 
96
 
Winthrop 1 WSW
-12
 
91
 
Yakima AP
11
 
94
 
ABBREVIATIONS:
AFB Air Force Base
AP Airport
CO City Office
RS Ranger Station
Typical: "4(miles)NE"
[Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. WSR 13-04-056, § 51-11C-80100, filed 2/1/13, effective 7/1/13.]
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