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Soil Table 4: (Metric) 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 (oC) As(oC) Coldest
Day of Year
To(Days)
(# 1-365)
Warmest
Day of Year
T1(Days)
(# 1-365)

ALBERTA
Banff
5
12
2
180
Brooks
7
15
10
190
Calgary
6
13
18
225
Camrose
5
15
10
190
Claresholm
6
12
10
190
Cold Lake
4
17
5
190
Coleman 
7
11
5
190
Edmonton
5
14
10
195
Edson
5
13
5
190
Fort McMurray
4
18
5
185
Grande Prairie
5
16
5
185
High River
6
12
10
190
Jasper
6
13
5
190
Lethbridge
8
13
5
220
Medicine Hat  
8
15
10
210
Red Deer
5
14
10
200
Rocky Mountain House
5
13
5
190
Taber 
8
14
5
210
           

BRITISH COLUMBIA
Abbotsford
11
8
10
230
Burns Lake
6
12
20
215
Chilliwack
11
8
15
210
Cranbrook
9
13
8
200
Fernie
8
12
18
205
Ft. Saint John
5
15
4
210
Golden
8
13
5
212
Hope
11
9
5
230
Kamloops 
10
13
10
225
Kelowna
11
12
14
230
Merritt
11
12
15
205
Nanaimo
11
8
5
240
Osoyoos 
12
12
10
230
Penticton
11
11
10
225
Powell River
11
7
5
235
Prince George  
6
13
15
190
Prince Rupert
10
6
5
242

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

BRITISH COLUMBIA
Quesnel City
6
13
15
190
Revelstoke
9
12
10
200
Salmon Arm
10
12
15
204
Vancouver
11
7
5
190
Victoria
12
6
10
225
Williams Lake
7
12
10
190
              
 
MANITOBA
Brandon
6
18
5
190
Churchill
-7
19
5
190
Flin Flon  
4
19
5
180
Portage la Prairie
6
18
10
185
Selkirk
6
19
10
200
The Pas
5
19
5
190
Winnipeg 
6
19
10
200
   
NEW BRUNSWICK
Bathurst
7
15
10
190
Federicton
8
14
15
180
Moncton
8
14
5
200
Saint John
7
13
15
220
              
NEWFOUNDLAND
Cornerbrook
8
12
35
190
Gander
7
12
35
180
St. John's
7
11
35
230
Wabush Lake
 3
18
20
180
    
NORTHWEST TERRITORIES
Fort Smith
3
21
5
190
Yellowknife
0
22
5
190
              
NOVA SCOTIA
Halifax
8
12
15
220
Liverpool
9
12
10
200
Sydney
8
12
34
230
Truro 
7
13
15
210
               

ONTARIO 
Arnprior
9
16
20
210
Barrie
9
14
10
220
Belleville
10
14
10
215
Burlington
10
9
10
225
Cambridge
10
13
10
210
Cobourg
10
13
10
210
Cornwall
9
15
10
210
Dryden
6
18
5
190
Guelph
9
14
5
200

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

ONTARIO
Haliburton
8
15
18
220
Hamilton
10
13
10
210
Kapuskasing
5
18
5
190
Kirkland Lake
6
17
5
180
Lindsay
9
14
10
190
London
10
13
10
220
Mississauga
10
15
10
220
Muskoka Airport 
8
14
10
220
Niagara Falls
10
14
10
230
North Bay
7
16
10
210
Ottawa
10
16
10
200
Petawawa
8
16
10
200
Peterborough
9
14
10
210
Port Colborne
10
13
10
220
Renfrew
9
16
10
220
Sarnia
10
13
10
210
Sault Ste. Marie
8
14
5
180
Sudbury
8
16
5
180
Thunder Bay  
6
16
5
180
Timmins
6
17
10
180
Toronto
10
13
23
210
Waterloo
9
13
15
200
Welland
10
13
20
220
Windsor
11
13
5
220
              
PRINCE EDWARD ISLAND
Charlottetown
8
13
10
180
Tignish
8
13
25
190
              

QUEBEC
Bagotville 9 17 5 180
Baie Comeau 9 15 10 185
Kuujjuarapik 6 17 5 180
Kuujuag 6 18 5 180
La Grande Riviere 6 17 10 185
Mont Joli 8 15 10 185
Montreal Intl Airport 9 16 5 180
Montreal-Mirabel 9 15 5 180
Quebec City 7 16 10 185
Riviere Du Loup 7 16 10 185
Roberval 7 17 10 185
Schefferville 7 18 5 180
Sept-Iles 6 13 10 185
Sherbrooke 7 15 5 180
Ste. Agathe Des Monts 7 16 10 185
Val d'Or 6 17 5 180
              

SASKATCHEWAN
Lloydmister
5
17
5
230
Maple Creek
7
15
5
215
Moose Jaw
7
17
5
215
Prince Albert  
5
18
10
190
Regina
6
18
10
190
Saskatoon
6
18
10
190
Swift Current
6
15
10
190
Yorkton
5
18
10
190
   
YUKON
Dawson
1
21
10
180
Watson Lake
4
19
10
180
Whitehorse
3
16
10
180
 

 
*Adapted from data provided by CleanEnergy

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