Canadian Climate Normals 1981-2010 Station Data

Temperature and Precipitation Graph

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Temperature and Precipitation Graph for 1981 to 2010 Canadian Climate Normals
EDMONTON CITY CENTRE A

Symbol	Description
	Daily Maximum Temperature (°C)
	Daily Average Temperature (°C)
	Daily Minimum Temperature (°C)
	Precipitation (mm)

Normals Data

The minimum number of years used to calculate these Normals is indicated by a code for each element. A "+" beside an extreme date indicates that this date is the first occurrence of the extreme value. Values and dates in bold indicate all-time extremes for the location.

Data used in the calculation of these Normals may be subject to further quality assurance checks. This may result in minor changes to some values presented here.

EDMONTON CITY CENTRE A
ALBERTA

53°34'24.000" N

113°31'06.000" W

670.60 m

3012208

Temperature

1981 to 2010 Canadian Climate Normals station data
Temperature
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Daily Average (°C)	-10.4	-7.6	-2.5	5.4	11.5	15.5	17.7	16.9	11.4	5.1	-4.1	-8.8	4.2	C
Standard Deviation	4.8	4.1	3.6	2.0	1.6	1.0	1.0	1.7	1.8	1.7	3.8	4.4	1.1	C
Daily Maximum (°C)	-6.0	-2.7	2.2	11.2	17.5	21.0	23.1	22.6	17.1	10.4	0.0	-4.5	9.3	C
Daily Minimum (°C)	-14.8	-12.5	-7.2	-0.5	5.4	9.9	12.3	11.3	5.8	-0.2	-8.2	-13.1	-1.0	C
Extreme Maximum (°C)	11.7	14.0	23.9	31.1	32.3	34.9	34.6	34.5	33.9	28.6	21.7	16.7
Date (yyyy/dd)	1941/ 28	1992/ 29	2004/ 30	1939/ 29	1986/ 26	2002/ 26	2002/ 12	1998/ 05	1967/ 01	1987/ 02	1949/ 02	1999/ 27
Extreme Minimum (°C)	-44.4	-46.1	-36.1	-25.6	-12.2	-1.1	0.6	-1.2	-11.7	-25.0	-34.1	-48.3
Date (yyyy/dd)	1943/ 20	1939/ 08	1939/ 04	1954/ 02	1942/ 15	1939/ 02	1946/ 23	1992/ 22	1951/ 27	1939/ 26	1985/ 26	1938/ 28

Precipitation

1981 to 2010 Canadian Climate Normals station data
Precipitation
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Rainfall (mm)	1.3	0.8	1.7	14.5	40.7	77.5	93.8	61.8	42.4	10.9	1.6	0.7	347.8	C
Snowfall (cm)	24.5	13.4	17.4	15.3	4.9	0.0	0.0	0.0	1.0	11.6	19.1	16.4	123.5	C
Precipitation (mm)	21.7	12.0	15.8	28.8	46.1	77.5	93.8	61.9	43.5	21.7	18.0	15.0	455.7	C
Average Snow Depth (cm)	16	17	12	1	0	0	0	0	0	1	5	10	5	C
Median Snow Depth (cm)	16	16	12	1	0	0	0	0	0	0	5	9	5	C
Snow Depth at Month-end (cm)	18	15	2	0	0	0	0	0	0	2	7	13	5	C
Extreme Daily Rainfall (mm)	9.4	4.1	6.6	27.2	47.4	80.0	114.0	63.4	52.0	23.0	8.9	5.8
Date (yyyy/dd)	1965/ 14	1977/ 16	1955/ 30	1940/ 20	1991/ 13	1974/ 26	1953/ 31	1994/ 17	1997/ 04	1981/ 08	1956/ 05	1951/ 10
Extreme Daily Snowfall (cm)	29.0	19.2	23.0	38.1	26.2	1.0	0.0	1.0	7.4	24.8	39.9	25.8
Date (yyyy/dd)	1989/ 30	1992/ 19	1982/ 11	1955/ 19	1997/ 21	1967/ 09	1938/ 01	1992/ 21	1971/ 29	1991/ 16	1942/ 15	1979/ 09
Extreme Daily Precipitation (mm)	29.6	19.1	21.3	39.8	47.4	80.0	114.0	63.4	52.0	25.2	39.9	21.1
Date (yyyy/dd)	1989/ 30	1962/ 03	1972/ 23	1991/ 06	1991/ 13	1974/ 26	1953/ 31	1994/ 17	1997/ 04	1991/ 16	1942/ 15	1955/ 26
Extreme Snow Depth (cm)	79	79	84	61	14	0	0	0	5	23	38	45
Date (yyyy/dd)	1974/ 30	1974/ 05	1974/ 18	1974/ 01	2003/ 06	1955/ 01	1955/ 01	1955/ 01	1974/ 30	1984/ 19	1996/ 20	1984/ 29

Days with Maximum Temperature

1981 to 2010 Canadian Climate Normals station data
Days with Maximum Temperature
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
<= 0 °C	20.8	15.3	10.2	2.0	0.0	0.0	0.0	0.0	0.0	2.0	12.8	19.5	82.6	C
> 0 °C	10.2	13.0	20.8	28.0	31.0	30.0	31.0	31.0	30.0	29.0	17.2	11.5	282.7	C
> 10 °C	0.17	0.75	4.4	18.1	28.2	29.9	31.0	30.8	26.1	17.3	1.4	0.25	188.3	C
> 20 °C	0.0	0.0	0.04	2.3	10.4	18.1	24.1	21.9	9.6	2.0	0.0	0.0	88.4	C
> 30 °C	0.0	0.0	0.0	0.0	0.38	0.50	1.4	1.5	0.21	0.0	0.0	0.0	4.0	C
> 35 °C	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	C

Days with Minimum Temperature

1981 to 2010 Canadian Climate Normals station data
Days with Minimum Temperature
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
> 0 °C	0.36	0.79	3.2	14.3	28.0	30.0	31.0	30.9	27.4	16.2	2.0	0.96	185.1	C
<= 2 °C	30.4	28.0	30.4	21.4	7.0	0.08	0.0	0.17	5.2	20.9	29.4	30.8	203.8	C
<= 0 °C	30.2	27.5	27.8	15.8	3.0	0.0	0.0	0.08	2.6	14.8	28.0	30.0	179.7	C
< -2 °C	29.6	26.3	22.8	8.8	1.2	0.0	0.0	0.0	0.88	8.7	25.3	29.1	152.6	C
< -10 °C	20.0	15.5	9.0	1.5	0.0	0.0	0.0	0.0	0.0	1.1	10.0	18.2	75.3	C
< -20 °C	9.1	5.5	2.0	0.04	0.0	0.0	0.0	0.0	0.0	0.04	1.7	6.2	24.6	C
< - 30 °C	1.5	0.54	0.13	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.13	0.96	3.3	C

Days with Rainfall

1981 to 2010 Canadian Climate Normals station data
Days with Rainfall
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
>= 0.2 mm	1.1	0.83	1.4	5.9	10.5	14.2	14.6	11.1	9.6	5.6	1.5	0.75	77.3	C
>= 5 mm	0.04	0.0	0.04	0.83	2.4	4.4	5.1	3.3	2.6	0.50	0.04	0.0	19.3	C
>= 10 mm	0.0	0.0	0.0	0.33	1.2	2.4	2.6	1.8	1.2	0.17	0.0	0.0	9.8	C
>= 25 mm	0.0	0.0	0.0	0.0	0.13	0.54	0.88	0.50	0.21	0.0	0.0	0.0	2.3	C

Days With Snowfall

1981 to 2010 Canadian Climate Normals station data
Days With Snowfall
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
>= 0.2 cm	10.7	7.7	7.7	4.2	1.2	0.0	0.0	0.04	0.50	3.2	7.9	9.3	52.4	C
>= 5 cm	1.5	0.46	1.1	1.0	0.29	0.0	0.0	0.0	0.08	0.79	1.1	0.67	7.0	C
>= 10 cm	0.25	0.13	0.17	0.38	0.21	0.0	0.0	0.0	0.0	0.33	0.25	0.0	1.7	C
>= 25 cm	0.04	0.0	0.0	0.08	0.04	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.16	C

Days with Precipitation

1981 to 2010 Canadian Climate Normals station data
Days with Precipitation
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
>= 0.2 mm	11.0	7.9	8.3	8.8	11.0	14.2	14.6	11.1	9.8	8.0	8.8	9.4	122.9	C
>= 5 mm	1.2	0.38	0.88	1.8	2.6	4.4	5.1	3.3	2.7	1.2	0.96	0.63	25.1	C
>= 10 mm	0.17	0.08	0.13	0.75	1.3	2.4	2.6	1.8	1.2	0.54	0.13	0.0	11.2	C
>= 25 mm	0.04	0.0	0.0	0.08	0.25	0.54	0.88	0.50	0.21	0.04	0.0	0.0	2.5	C

Days with Snow Depth

1981 to 2010 Canadian Climate Normals station data
Days with Snow Depth
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
>= 1 cm	30.9	27.9	22.5	4.1	0.43	0.0	0.0	0.0	0.08	3.6	18.0	25.3	132.7	C
>= 5 cm	26.2	24.3	16.9	2.1	0.17	0.0	0.0	0.0	0.0	2.1	11.3	19.9	102.9	C
>= 10 cm	18.8	16.8	12.6	0.96	0.09	0.0	0.0	0.0	0.0	1.5	5.7	12.8	69.2	C
>= 20 cm	9.9	9.7	7.1	0.50	0.0	0.0	0.0	0.0	0.0	0.04	1.5	5.2	33.9	C

Wind

1981 to 2010 Canadian Climate Normals station data
Wind
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Speed (km/h)	10.3	10.5	11.6	13.5	13.8	13.2	12.4	11.4	12.3	12.0	10.4	10.6	11.8	C
Most Frequent Direction	SW	S	S	S	NW	NW	W	W	NW	S	S	SW	W	C
Maximum Hourly Speed (km/h)	68	71	65	72	68	69	60	69	68	64	64	65
Date (yyyy/dd)	1959/ 02	1959/ 28	2004/ 09	1954/ 13	1965/ 17	1970/ 04	1960/ 18	1970/ 16	1958/ 28	1965/ 01	1961/ 01	2001/ 17
Direction of Maximum Hourly Speed	NW	N	NW	NW	NW	W	N	NW	N	W	NW	W
Maximum Gust Speed (km/h)	114	105	93	91	103	117	108	109	117	113	100	98
Date (yyyy/dd)	1972/ 05	1959/ 28	1956/ 15	1982/ 29	1971/ 13	1960/ 06	1963/ 22	1964/ 18	1973/ 11	1965/ 01	1961/ 01	1979/ 06
Direction of Maximum Gust	NW	NW	NW	W	W	SW	SW	W	W	NW	NW	NW

Degree Days

1981 to 2010 Canadian Climate Normals station data
Degree Days
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Above 24 °C	0	0	0	0	0	0.3	0.6	0.5	0	0	0	0	1.5	C
Above 18 °C	0	0	0	0	4.5	11.8	33.5	31.4	2.4	0.1	0	0	83.6	C
Above 15 °C	0	0	0	0.9	18.4	45.9	93.1	83.7	14.2	1	0	0	257.1	C
Above 10 °C	0	0	0.2	13.3	83.1	165.8	239.2	216.8	78.7	13.1	0	0	810.1	C
Above 5 °C	0.2	1.1	5.3	66.8	206.6	314.3	394	369.9	197.9	67.6	1.9	0.4	1,626	C
Above 0 °C	6	12.9	49.1	179.6	356.4	464.3	549	524.8	343.1	178.3	24.2	9.6	2697.2	C
Below 0 °C	329.1	227.3	126.1	18.4	0.3	0	0	0	0	19.1	147.5	282.6	1150.4	C
Below 5 °C	478.3	356.7	237.4	55.6	5.6	0	0	0	4.8	63.4	275.3	428.4	1905.5	C
Below 10 °C	633.1	496.9	387.2	152.1	37	1.6	0.2	1.9	35.6	163.9	423.3	583	2915.8	C
Below 15 °C	788.1	638.2	542.1	289.7	127.3	31.6	9.1	23.8	121.1	306.8	573.3	738	4,189	C
Below 18 °C	881.1	722.9	635.1	378.8	206.4	87.5	42.5	64.6	199.3	398.9	663.3	831	5111.3	C

Bright Sunshine

1981 to 2010 Canadian Climate Normals station data
Bright Sunshine
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Extreme Daily	8.2	10.4	11.7	14.8	15.9	16.3	16.1	15.1	13.2	10.7	9.0	7.6
Date (yyyy/dd)	1976/ 31	1968/ 28	1989/ 30	1960/ 27	1989/ 28	1962/ 14	1976/ 05	1979/ 06	1959/ 01	1980/ 03	1977/ 03	1977/ 04

Humidex

1981 to 2010 Canadian Climate Normals station data
Humidex
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Extreme Humidex	10.6	13.8	23.5	29.2	33.4	35.9	39.0	39.6	34.1	28.3	18.9	16.0
Date (yyyy/dd)	1968/ 23	1988/ 26	2004/ 30	1977/ 26	1986/ 28	2002/ 26	1955/ 18	1998/ 05	1967/ 01	1987/ 02	1975/ 03	1999/ 27
Days with Humidex >= 30	0.0	0.0	0.0	0.0	0.3	0.6	4.0	4.2	0.4	0.0	0.0	0.0	9.6	C
Days with Humidex >= 35	0.0	0.0	0.0	0.0	0.0	0.0	0.5	0.3	0.0	0.0	0.0	0.0	0.9	C
Days with Humidex >= 40	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	C

Wind Chill

1981 to 2010 Canadian Climate Normals station data
Wind Chill
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Extreme Wind Chill (°C)	-53	-51	-45	-37	-15	0	0	-4	-13	-34	-50	-56
Date (yyyy/dd)	1972/ 26	1989/ 02	1955/ 04	1954/ 01	1954/ 01	1953/ 01	1953/ 01	1992/ 22	1974/ 30	1984/ 31	1985/ 26	1964/ 15
Days with Wind Chill < -20	14.3	10.1	5.5	0.5	0.0	0.0	0.0	0.0	0.0	0.6	5.5	12.5	48.9	C
Days with Wind Chill < -30	7.2	3.8	1.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	1.0	4.8	17.8	C
Days with Wind Chill < -40	1.3	0.3	0.1	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.1	0.9	2.8	C

Humidity

1981 to 2010 Canadian Climate Normals station data
Humidity
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Average Vapour Pressure (kPa)	0.2	0.3	0.4	0.5	0.7	1.1	1.3	1.3	0.9	0.6	0.4	0.3	0.7	C
Average Relative Humidity - 0600LST (%)	73.6	75.2	75.4	71.8	69.8	76.5	81.4	83.5	81.4	75.7	77.7	73.6	76.3	C
Average Relative Humidity - 1500LST (%)	65.2	61.2	56.5	42.9	40.4	48.2	52.6	51.4	50.1	50.5	64.7	65.4	54.1	C

Pressure

1981 to 2010 Canadian Climate Normals station data
Pressure
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Average Station Pressure (kPa)	93.5	93.6	93.5	93.5	93.4	93.4	93.6	93.6	93.6	93.4	93.4	93.4	93.5	C
Average Sea Level Pressure (kPa)	101.8	101.8	101.7	101.5	101.3	101.2	101.4	101.5	101.5	101.4	101.5	101.7	101.5	C

Radiation

1981 to 2010 Canadian Climate Normals station data
Radiation
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Extreme Global - RF1 (MJ/m2)	7	13	22	29	32	36	33	30	22	15	8	5
Date (yyyy/dd)	1964/ 30	1966/ 26	1965/ 31	1966/ 28	1965/ 21	1963/ 23	1964/ 07	1963/ 01	1964/ 10	1965/ 02	1963/ 07	1963/ 02

Visibility (hours with)

1981 to 2010 Canadian Climate Normals station data
Visibility (hours with)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
< 1 km	3.7	3.3	3.5	2	0.9	0	0.4	1.1	0.6	1.4	9.3	2.8	28.9	D
1 to 9 km	89.5	78	63.5	29.5	14.4	10.4	13.4	13.1	11.8	25.5	75.1	83.3	507.4	D
> 9 km	650.9	597	677	688.6	728.8	709.6	730.2	729.8	707.7	717.1	635.6	658	8230.1	D

Frost-Free

1981 to 2010 Canadian Climate Normals station data
Frost-Free
	Date/Days	Code
Average Date of Last Spring Frost	May 09	C
Average Date of First Fall Frost	Sept 22	C
Average Length of Frost-Free Period	135 Days	C

1981 to 2010 Canadian Climate Normals station data
Frost-Free
Probability of last temperature in spring of 0 °C or lower on or after indicated dates	10%	25%	33%	50%	66%	75%	90%
Date	May 28	May 21	May 15	May 10	May 05	May 02	Apr 24
Probability of first temperature in fall of 0 °C or lower on or before indicated dates	10%	25%	33%	50%	66%	75%	90%
Date	Sep 08	Sep 12	Sep 16	Sep 19	Sep 28	Oct 03	Oct 08
Probability of frost-free period equal to or less than indicated period (Days)	10%	25%	33%	50%	66%	75%	90%
Days	108	118	125	134	142	147	162

Legend

A = WMO "3 and 5 rule" (i.e. no more than 3 consecutive and no more than 5 total missing for either temperature or precipitation)
B = At least 25 years

C = At least 20 years
D = At least 15 years

Station / Element Metadata

Statistics listed below are provided as a guide to determine the validity of Normals and Extremes calculations. For example, a station with 30 years of record between 1981 and 2010 with no missing years would be a more reliable normal than a station with 15 years of record and 2 missing years. Less than 100% possible observations indicates that out of the total number of observations used, some records were missing.

EDMONTON CITY CENTRE A

Province/Territory

Latitude (dd mm):

53 34 N

Country

CAN

Longitude (ddd mm):

113 31 W

Time Zone

MST

Latitude (decimal degrees):

53.57 N

Climate ID:

3012208

Longitude (decimal degrees):

113.52 W

WMO ID:

Elevation (m):

670.6

TC ID:

Temperature

1981 to 2010 Canadian Climate Normals Element Metadata
Temperature
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Daily Average (°C)	1981	2004	24	0	8766	99.7
Standard Deviation	1981	2004	24	0	8766	99.7
Daily Maximum (°C)	1981	2004	24	0	8766	99.7
Daily Minimum (°C)	1981	2004	24	0	8766	99.7
Extreme Maximum (°C)	1937	2005			24584	100
Extreme Minimum (°C)	1937	2005			24595	100

Precipitation

1981 to 2010 Canadian Climate Normals Element Metadata
Precipitation
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Rainfall (mm)	1981	2004	24	0	8766	99.7
Snowfall (cm)	1981	2004	24	0	8766	99.7
Precipitation (mm)	1981	2004	24	0	8766	99.7
Average Snow Depth (cm)	1981	2004	24	1	8607	98.6
Median Snow Depth (cm)	1981	2004	24	1	8607	98.6
Snow Depth at Month-end (cm)	1981	2004	24	1	286	99.7
Extreme Daily Rainfall (mm)	1937	2005			24584	100
Extreme Daily Snowfall (cm)	1937	2005			24584	100
Extreme Daily Precipitation (mm)	1937	2005			24584	100
Extreme Snow Depth (cm)	1955	2005			18148	99.6

Days with Maximum Temperature

1981 to 2010 Canadian Climate Normals Element Metadata
Days with Maximum Temperature
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
<= 0 °C	1981	2004	24	0	8766	99.7
> 0 °C	1981	2004	24	0	8766	99.7
> 10 °C	1981	2004	24	0	8766	99.7
> 20 °C	1981	2004	24	0	8766	99.7
> 30 °C	1981	2004	24	0	8766	99.7
> 35 °C	1981	2004	24	0	8766	99.7

Days with Minimum Temperature

1981 to 2010 Canadian Climate Normals Element Metadata
Days with Minimum Temperature
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
> 0 °C	1981	2005	25	0	8797	100
<= 2 °C	1981	2005	25	0	8797	100
<= 0 °C	1981	2005	25	0	8797	100
< -2 °C	1981	2005	25	0	8797	100
< -10 °C	1981	2005	25	0	8797	100
< -20 °C	1981	2005	25	0	8797	100
< - 30 °C	1981	2005	25	0	8797	100

Days with Rainfall

1981 to 2010 Canadian Climate Normals Element Metadata
Days with Rainfall
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
>= 0.2 mm	1981	2004	24	0	8766	99.7
>= 5 mm	1981	2004	24	0	8766	99.7
>= 10 mm	1981	2004	24	0	8766	99.7
>= 25 mm	1981	2004	24	0	8766	99.7

Days With Snowfall

1981 to 2010 Canadian Climate Normals Element Metadata
Days With Snowfall
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
>= 0.2 cm	1981	2004	24	0	8766	99.7
>= 5 cm	1981	2004	24	0	8766	99.7
>= 10 cm	1981	2004	24	0	8766	99.7
>= 25 cm	1981	2004	24	0	8766	99.7

Days with Precipitation

1981 to 2010 Canadian Climate Normals Element Metadata
Days with Precipitation
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
>= 0.2 mm	1981	2004	24	0	8766	99.7
>= 5 mm	1981	2004	24	0	8766	99.7
>= 10 mm	1981	2004	24	0	8766	99.7
>= 25 mm	1981	2004	24	0	8766	99.7

Days with Snow Depth

1981 to 2010 Canadian Climate Normals Element Metadata
Days with Snow Depth
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
>= 1 cm	1981	2004	24	1	8581	98.3
>= 5 cm	1981	2004	24	1	8581	98.3
>= 10 cm	1981	2004	24	1	8581	98.3
>= 20 cm	1981	2004	24	1	8581	98.3

Wind

1981 to 2010 Canadian Climate Normals Element Metadata
Wind
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Speed (km/h)	1981	2004	24	0	209949	99.5
Most Frequent Direction	1981	2004	24	0	209945	99.8
Maximum Hourly Speed (km/h)	1953	2005			455884	99.9
Maximum Gust Speed (km/h)	1955	1994			14175	99.1

Degree Days

1981 to 2010 Canadian Climate Normals Element Metadata
Degree Days
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Above 24 °C	1981	2004	24	0	8766	99.7
Above 18 °C	1981	2004	24	0	8766	99.7
Above 15 °C	1981	2004	24	0	8766	99.7
Above 10 °C	1981	2004	24	0	8766	99.7
Above 5 °C	1981	2004	24	0	8766	99.7
Above 0 °C	1981	2004	24	0	8766	99.7
Below 0 °C	1981	2004	24	0	8766	99.7
Below 5 °C	1981	2004	24	0	8766	99.7
Below 10 °C	1981	2004	24	0	8766	99.7
Below 15 °C	1981	2004	24	0	8766	99.7
Below 18 °C	1981	2004	24	0	8766	99.7

Bright Sunshine

1981 to 2010 Canadian Climate Normals Element Metadata
Bright Sunshine
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Extreme Daily	1951	1994			369918	99.5

Humidex

1981 to 2010 Canadian Climate Normals Element Metadata
Humidex
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Extreme Humidex	1953	2005			455778	99.8
Days with Humidex >= 30	1981	2004	24	0	209874	99.4
Days with Humidex >= 35	1981	2004	24	0	209874	99.4
Days with Humidex >= 40	1981	2004	24	0	209874	99.4

Wind Chill

1981 to 2010 Canadian Climate Normals Element Metadata
Wind Chill
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Extreme Wind Chill (°C)	1953	2005			455879	99.9
Days with Wind Chill < -20	1981	2004	24	0	209944	99.5
Days with Wind Chill < -30	1981	2004	24	0	209944	99.5
Days with Wind Chill < -40	1981	2004	24	0	209944	99.5

Humidity

1981 to 2010 Canadian Climate Normals Element Metadata
Humidity
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Average Vapour Pressure (kPa)	1981	2004	24	0	209874	99.4
Average Relative Humidity - 0600LST (%)	1981	2004	24	0	8749	99.5
Average Relative Humidity - 1500LST (%)	1981	2004	24	0	8755	99.5

Pressure

1981 to 2010 Canadian Climate Normals Element Metadata
Pressure
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Average Station Pressure (kPa)	1981	2004	24	0	209954	99.5
Average Sea Level Pressure (kPa)	1981	2004	24	2	202868	96.1

Radiation

1981 to 2010 Canadian Climate Normals Element Metadata
Radiation
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Extreme Global - RF1 (MJ/m2)	1957	1966			80000	97.8

Visibility (hours with)

1981 to 2010 Canadian Climate Normals Element Metadata
Visibility (hours with)
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
< 1 km	1981	2004	21	5	170256	80.6
1 to 9 km	1981	2004	21	5	170256	80.6
> 9 km	1981	2004	21	5	170256	80.6

Frost-Free

1981 to 2010 Canadian Climate Normals Element Metadata
Frost-Free
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Average Date of Last Spring Frost	1981	2004	24	0	24	100.0
Average Date of First Fall Frost	1981	2004	24	0	24	100.0
Average Length of Frost-Free Period	1981	2004	24	0	24	100.0
Probability of last temperature in spring of 0 °C or lower on or after indicated dates
10 %	1938	2004	66	0	67	100.0
25 %	1938	2004	66	0	67	100.0
33 %	1938	2004	66	0	67	100.0
50 %	1938	2004	66	0	67	100.0
66 %	1938	2004	66	0	67	100.0
75 %	1938	2004	66	0	67	100.0
90 %	1938	2004	66	0	67	100.0
Probability of first temperature in fall of 0 °C or lower on or after indicated dates
10 %	1938	2004	66	0	67	100.0
25 %	1938	2004	66	0	67	100.0
33 %	1938	2004	66	0	67	100.0
50 %	1938	2004	66	0	67	100.0
66 %	1938	2004	66	0	67	100.0
75 %	1938	2004	66	0	67	100.0
90 %	1938	2004	66	0	67	100.0
Probability of frost-free period equal to or less than indicated period (Days)
10 %	1938	2004	66	0	67	100.0
25 %	1938	2004	66	0	67	100.0
33 %	1938	2004	66	0	67	100.0
50 %	1938	2004	66	0	67	100.0
66 %	1938	2004	66	0	67	100.0
75 %	1938	2004	66	0	67	100.0
90 %	1938	2004	66	0	67	100.0

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Date modified:: 2023-01-31

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Canadian Climate Normals 1981-2010 Station Data

Temperature and Precipitation Graph for 1981 to 2010 Canadian Climate Normals
EDMONTON CITY CENTRE A

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Canadian Climate Normals 1981-2010 Station Data

Temperature and Precipitation Graph for 1981 to 2010 Canadian Climate NormalsEDMONTON CITY CENTRE A

Temperature and Precipitation Graph for 1981 to 2010 Canadian Climate Normals
EDMONTON CITY CENTRE A