Canadian Climate Normals 1981-2010 Station 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.

Metadata including Station Name, Province, Latitude, Longitude, Elevation, Climate ID, WMO ID, TC ID
EDMONTON CITY CENTRE A
ALBERTA
Latitude: 53°34'24.000" N Longitude: 113°31'06.000" W Elevation: 670.60 m
Climate ID: 3012208 WMO ID: TC ID:
Temperature
1981 to 2010 Canadian Climate Normals station data
Temperature
  JanFebMarAprMayJunJulAugSepOctNovDecYear 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
  JanFebMarAprMayJunJulAugSepOctNovDecYear 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) 25 13 17 15 5 0 0 0 1 12 19 16 124 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 19 23 38 26 1 0 1 7 25 40 26
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
  JanFebMarAprMayJunJulAugSepOctNovDecYear 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 0.2 0.8 4.4 18.1 28.2 29.9 31.0 30.8 26.1 17.3 1.4 0.3 188.3 C
> 20 °C 0.0 0.0 0.0 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 0.4 0.5 1.4 1.5 0.2 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
  JanFebMarAprMayJunJulAugSepOctNovDecYear Code
> 0 °C 0.4 0.8 3.2 14.3 28.0 30.0 31.0 30.9 27.4 16.2 2.0 1.0 185.1 C
<= 2 °C 30.4 28.0 30.4 21.4 7.0 0.1 0.0 0.2 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 0.1 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 0.9 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 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.7 6.2 24.6 C
< - 30 °C 1.5 0.5 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.0 3.3 C
Days with Rainfall
1981 to 2010 Canadian Climate Normals station data
Days with Rainfall
  JanFebMarAprMayJunJulAugSepOctNovDecYear 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 0.04 0.83 2.4 4.4 5.1 3.3 2.6 0.50 0.04 0 19.3 C
>= 10 mm 0 0 0 0.33 1.2 2.4 2.6 1.8 1.2 0.17 0 0 9.8 C
>= 25 mm 0 0 0 0 0.13 0.54 0.88 0.50 0.21 0 0 0 2.3 C
Days With Snowfall
1981 to 2010 Canadian Climate Normals station data
Days With Snowfall
  JanFebMarAprMayJunJulAugSepOctNovDecYear Code
>= 0.2 cm 10.7 7.7 7.7 4.2 1.2 0 0 0.04 0.50 3.2 7.9 9.3 52.4 C
>= 5 cm 1.5 0.46 1.1 1 0.29 0 0 0 0.08 0.79 1.1 0.67 7 C
>= 10 cm 0.25 0.13 0.17 0.38 0.21 0 0 0 0 0.33 0.25 0 1.7 C
>= 25 cm 0.04 0 0 0.08 0.04 0 0 0 0 0 0 0 0.16 C
Days with Precipitation
1981 to 2010 Canadian Climate Normals station data
Days with Precipitation
  JanFebMarAprMayJunJulAugSepOctNovDecYear 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 0.4 0.9 1.8 2.6 4.4 5.1 3.3 2.7 1.2 1.0 0.6 25.1 C
>= 10 mm 0.2 0.1 0.1 0.8 1.3 2.4 2.6 1.8 1.2 0.5 0.1 0.0 11.2 C
>= 25 mm 0.0 0.0 0.0 0.1 0.3 0.5 0.9 0.5 0.2 0.0 0.0 0.0 2.5 C
Days with Snow Depth
1981 to 2010 Canadian Climate Normals station data
Days with Snow Depth
  JanFebMarAprMayJunJulAugSepOctNovDecYear Code
>= 1 cm 30.9 27.9 22.5 4.1 0.43 0 0 0 0.08 3.6 18 25.3 132.7 C
>= 5 cm 26.2 24.3 16.9 2.1 0.17 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 1.5 5.7 12.8 69.2 C
>= 20 cm 9.9 9.7 7.1 0.50 0 0 0 0 0 0.04 1.5 5.2 33.9 C
Wind
1981 to 2010 Canadian Climate Normals station data
Wind
  JanFebMarAprMayJunJulAugSepOctNovDecYear 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
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
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
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
Degree Days
1981 to 2010 Canadian Climate Normals station data
Degree Days
  JanFebMarAprMayJunJulAugSepOctNovDecYear 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
  JanFebMarAprMayJunJulAugSepOctNovDecYear 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
  JanFebMarAprMayJunJulAugSepOctNovDecYear 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
  JanFebMarAprMayJunJulAugSepOctNovDecYear Code
Extreme Wind Chill -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
  JanFebMarAprMayJunJulAugSepOctNovDecYear 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
  JanFebMarAprMayJunJulAugSepOctNovDecYear 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
  JanFebMarAprMayJunJulAugSepOctNovDecYear Code
Extreme Global - RF1 (MJ/m2) 7 12.8 21.5 29.4 32.2 35.8 32.9 30.1 22.2 15.4 8.3 4.9
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)
  JanFebMarAprMayJunJulAugSepOctNovDecYear 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)
Frost-FreeCode
Average Date of Last Spring Frost May 09 LegendCC
Average Date of First Fall Frost September 22 LegendCC
Average Length of Frost-Free Period 135 Days LegendCC
Probability of last temperature in spring of 0 °C or lower on or after indicated dates 10% 25% 33% 50% 66% 75% 90%
DateMay 28May 21May 15May 10May 05May 02Apr 24
Probability of first temperature in fall of 0 °C or lower on or after indicated dates 10% 25% 33% 50% 66% 75% 90%
DateSep 08Sep 12Sep 16Sep 19Sep 28Oct 03Oct 08
Probability of frost-free period equal to or less than indicated period (Days) 10% 25% 33% 50% 66% 75% 90%
Days108118125134142147162
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