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Soil Table 4: (English) Mean Earth Temperatures, 
Annual Soil Swing, and Phase Constants for Canadian Cities*

Note: The 'Phase Constant' represents the coldest day of the year. 
The warmest day of the year is approximately 6 months (~182 days) after To
Example:  January 1 = 1;  February 1 = 32;  March 1 = 60, etc.


 
Province
City Tm (oF) As(oF) Coldest
Day of Year
To(Days)
(# 1-365)
Warmest
Day of Year
T1(Days)
(# 1-365)

ALBERTA
Banff
41
22
2
180
Brooks
45
27
10
190
Calgary
43
23
18
225
Camrose
41
27
10
190
Claresholm
43
22
10
190
Cold Lake
39
30
5
190
Coleman 
45
20
5
190
Edmonton
41
26
10
195
Edson
41
24
5
190
Fort McMurray
39
32
5
185
Grande Prairie
41
28
5
185
High River
43
21
10
190
Jasper
43
23
5
190
Lethbridge
46
23
5
220
Medicine Hat  
46
27
10
210
Red Deer
41
26
10
200
Rocky Mountain House
41
23
5
190
Taber 
46
25
5
210
Augusta
65
18
30
212
Macon
67
17
33
215
              

BRITISH
COLUMBIA
Abbotsford
52
14
10
230
Burns Lake
43
22
20
215
Chilliwack
52
15
15
210
Cranbrook
48
23
8
200
Fernie
46
21
18
205
Ft. Saint John
41
27
4
210
Golden
46
24
5
212
Hope
52
16
5
230
Kamloops 
50
23
10
225
Kelowna
52
21
14
230
Merritt
52
21
15
205
Nanaimo
52
14
5
240
Osoyoos 
54
21
10
230
Penticton
52
20
10
225
Powell River
52
13
5
235
Prince George  
43
23
15
190
Prince Rupert
50
11
5
242

 
Province
City Tm (oF) As(oF) Coldest
Day of Year
To(Days)
(# 1-365)
Warmest
Day of Year
T1(Days)
(# 1-365)

BRITISH
COLUMBIA
Quesnel City
43
23
15
190
Revelstoke
48
21
10
200
Salmon Arm
50
21
15
204
Vancouver
52
13
5
190
Victoria
54
11
10
225
Williams Lake
45
22
10
190
             
 
MANITOBA
Brandon
43
33
5
190
Churchill
35
5
190
Flin Flon  
39
35
5
180
Portage la Prairie
43
33
10
185
Selkirk
43
34
10
200
The Pas
41
35
5
190
Winnipeg 
43
34
10
200
              

NEW BRUNSWICK
Bathurst
45
27
10
190
Federicton
46
26
15
180
Moncton
46
25
5
200
Saint John
45
23
15
220
      
         
NEWFOUNDLAND
Cornerbrook
46
22
35
190
Gander
45
22
35
180
St. John's
45
19
35
230
Wabush Lake
 37
33
20
180
              
NORTHWEST
TERRITORIES
Fort Smith
37
37
5
190
Yellowknife
32
39
5
190
           
NOVA
SCOTIA
Halifax
46
22
15
220
Liverpool
48
22
10
200
Sydney
46
22
34
230
Truro 
45 
23
15
210
              

ONTARIO 
Arnprior
48
29
20
210
Barrie
48
26
10
220
Belleville
50
26
10
215
Burlington
50
16
10
225
Cambridge
50
24
10
210
Cobourg
50
23
10
210
Cornwall
48
27
10
210
Dryden
43
33
5
190
Guelph
48
25
5
200

 
 
Province
City Tm (oF) As(oF) Coldest
Day of Year
To(Days)
(# 1-365)
Warmest
Day of Year
T1(Days)
(# 1-365)

ONTARIO
Haliburton
46
27
18
220
Hamilton
50
24
10
210
Kapuskasing
41
32
5
190
Kirkland Lake
43
31
5
180
Lindsay
48
26
10
190
London
50
24
10
220
Mississauga
50
27
10
220
Muskoka Airport 
 46
26
10
220
Niagara Falls
50
25
10
230
North Bay
45
28
10
210
Ottawa
50
29
10
200
Petawawa
46
29
10
200
Peterborough
48
25
10
210
Port Colborne
50
23
10
220
Renfrew
48
29
10
220
Sarnia
50
24
10
210
Sault Ste. Marie
46
25
5
180
Sudbury
46
29
5
180
Thunder Bay  
43 
29
5
180
Timmins
43
31
10
180
Toronto
50
24
23
210
Waterloo
48
24
15
200
Welland
50
24
20
220
Windsor
52
24
5
220
           
PRINCE
EDWARD
ISLAND
Charlottetown
46
24
10
180
Tignish
46
24
25
190
              

QUEBEC
Bagotville 48 31 5 180
Baie Comeau 47 27 10 185
Kuujjuarapik 43 31 5 180
Kuujuag 43 32 5 180
La Grande Riviere 43 31 10 185
Mont Joli 47 27 10 185
Montreal Intl Airport 49 28 5 180
Montreal-Mirabel 48 28 5 180
Quebec City 45 29 10 185
Riviere Du Loup 44 28 10 185
Roberval 44 31 10 185
Schefferville 45 33 5 180
Sept-Iles 43 24 10 185
Sherbrooke 44 27 5 180
Ste. Agathe Des Monts 44 30 10 185
Val d'Or 43 31 5 180
           
SASKATCHEWAN Lloydmister
41
30
5
230
Maple Creek
45
27
5
215
Moose Jaw
45
30
5
215
Prince Albert  
41
33
10
190
Regina
43
32
10
190
Saskatoon
43
32
10
190
Swift Current
43
27
10
190
Yorkton
41
32
10
190
        
YUKON
Dawson
34
38
10
180
Watson Lake
39
35
10
180
Whitehorse
37
29
10
180
           

 
*Adapted from data provided by CleanEnergy

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