Design Ambient Temperature Suggestions

Applications

Municipal

Mining

Industrial

HVAC

Chilled Water/District Cooling

Hydronics

Related Literature

EN-DS-02E - U.I.P. Standard System - below grade

EN-DS-03E - U.I.P. system - Spiwrap above grade

EN-DS-04E - U.I.P. System – PE casing above grade

Design Ambient Temperature Suggestions –
Above Ground

Canada

Location	°C	°F	Location	°C	°F
British Columbia			Ontario (continued)
Dawson Creek	–39	–39	Dryden	–34	–29
Ft. Nelson	–41	–42	Hamilton	–20	–4
Kamloops	–32	–25	Kenora	–33	–28
Pt. Alberni	–21	–5	London	–21	–5
Prince George	–42	–43	Niagara Falls	–15	5
Prince Rupert	–21	–5	North Bay	–31	–24
Vancouver	–13	8	Ottawa	–28	–18
Yukon			Peterborough	–26	–15
Dawson	–52	–62	Sarnia	–14	6
Whitehorse	–45	–49	Sault St. Marie	–26	–15
Alberta			Sioux Lookout	–39	–38
Calgary	–37	–35	Sudbury	–29	–21
Cold Lake	–48	–55	Thunder Bay	–34	–30
Edmonton	–39	–39	Timmins	–34	–30
Ft. McMurray	–50	–59	Toronto	–23	–9
Hinton	–41	–42	Windsor	–18	0
Medicine Hat	–40	–41	Québec
Red Deer	–43	–45	Arvida	–31	–23
Northwest Territories			Gaspé	–31	–23
Alert	–42	–44	Montréal	–25	–14
Baker Lake	–43	–45	Québec City	–27	–16
Frobisher Bay	–46	–51	Thetford Mines	–31	–23
Resolute	–43	–45	Trois Riviéres	–27	–17
Yellowknife	–45	–49	New Brunswick
Saskatchewan			Edmunstun	–26	–14
Prince Albert	–44	–48	Fredericton	–23	–9
Regina	–39	–39	Moncton	–24	–11
Saskatoon	–43	–45	St. John	–21	–6
Swift Current	–39	–39	Nova Scotia
Manitoba			Annapolis	–24	–11
Brandon	–38	–36	Halifax	–19	–3
Churchill	–42	–43	Sydney	–22	–7
Gimli	–39	–39	Yarmouth	–16	4
The Pas	–42	–43	Prince Edward Island
Winnipeg	–36	–33	Charlottetown	–21	–6
Ontario			Newfoundland
Belleville	–22	–7	Corner Brook	–20	–4
Brockville	–23	–9	Gander	–21	–6
Chalk River	–29	–20	Goose Bay	–34	–29
Collingwood	–21	–6	St. John's	–18	–1

United States

Location		°C	°F	Location		°C	°F
Northeast				South Central
Atlantic City	NJ	–14	6	Dallas	TX	–14	6
Boston	MA	–19	–2	Houston	TX	–8	17
Buffalo	NY	–22	–7	Little Rock	AK	–14	6
New York	NY	–16	3	New Orleans	LA	–4	24
Philadelphia	PA	–16	4	Oklahoma City	OK	–20	–4
Portland	ME	–24	–11	Shreveport	LA	–11	12
Pittsburgh	PA	–21	–6	Tulsa	OK	–20	–4
Providence	RI	–18	–1	North Central
Syracuse	NY	–24	–12	Bismark	ND	–37	–34
South Atlantic Coast				Cedar Rapids	IA	–28	–18
Atlanta	GA	–13	9	Chicago	IL	–25	–13
Birmingham	AL	–12	10	Cincinnati	OH	–21	–5
Charleston	WV	–23	–10	Detroit	MI	–21	–6
Greensboro	NC	–7	20	Duluth	MN	–34	–29
Jacksonville	FL	–3	27	Des Moines	IA	–26	–15
Jackson	MI	–11	13	Indianapolis	IN	–23	–10
Louisville	KY	–21	–5	Kansas City	MO	–24	–11
Memphis	TN	–16	4	Marquette	MI	–28	–18
Mobile	AL	–7	20	Milwaukee	WI	–29	–20
Nashville	TN	–18	0	Minneapolis	MN	–32	–25
Richmond	VA	–13	9	Omaha	NB	–28	–19
Savannah	GA	–6	22	Sioux Falls	SD	–28	–18
Washington	DC	–14	6	St. Louis	MO	–22	–8
Mountain				Wichita	KS	–23	–9
Billings	MT	–37	–35	Williston	ND	–39	–38
Boise	ID	–26	–14	Western
Cheyenne	WY	–30	–22	Independence	CA	–12	10
Denver	CO	–26	–15	Portland	OR	–14	7
Great Falls	MT	–42	–44	Reno	NV	–18	0
Pocatello	ID	–33	–27	Sacramento	CA	–2	29
Salt Lake City	UT	–19	–3	Seattle	WA	–11	13
				Spokane	WA	–29	–20