Canadian Climate Normals 1981-2010 Station Data

Temperature and Precipitation Graph
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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
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Normals Station Data
(all elements)
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)-10.4-7.6-2.55.411.515.517.716.911.45.1-4.1-8.84.2C
Standard Deviation4.84.13.62.01.61.01.01.71.81.73.84.41.1C
Daily Maximum (°C)-6.0-2.72.211.217.521.023.122.617.110.4-0.0-4.59.3C
Daily Minimum (°C)-14.8-12.5-7.2-0.55.49.912.311.35.8-0.2-8.2-13.1-1.0C
Extreme Maximum (°C)11.714.023.931.132.334.934.634.533.928.621.716.7
Date (yyyy/dd)1941/ 281992/ 292004/ 301939/ 291986/ 262002/ 262002/ 121998/ 051967/ 011987/ 021949/ 021999/ 27
Extreme Minimum (°C)-44.4-46.1-36.1-25.6-12.2-1.10.6-1.2-11.7-25.0-34.1-48.3
Date (yyyy/dd)1943/ 201939/ 081939/ 041954/ 021942/ 151939/ 021946/ 231992/ 221951/ 271939/ 261985/ 261938/ 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)1.30.81.714.540.777.593.861.842.410.91.60.7347.8C
Snowfall (cm)24.513.417.415.34.90.00.00.01.011.619.116.4123.5C
Precipitation (mm)21.712.015.828.846.177.593.861.943.521.718.015.0455.7C
Average Snow Depth (cm)16171210000015105C
Median Snow Depth (cm)1616121000000595C
Snow Depth at Month-end (cm)1815200000027135C
Extreme Daily Rainfall (mm)9.44.16.627.247.480.0114.063.452.023.08.95.8
Date (yyyy/dd)1965/ 141977/ 161955/ 301940/ 201991/ 131974/ 261953/ 311994/ 171997/ 041981/ 081956/ 051951/ 10
Extreme Daily Snowfall (cm)29.019.223.038.126.21.00.01.07.424.839.925.8
Date (yyyy/dd)1989/ 301992/ 191982/ 111955/ 191997/ 211967/ 091938/ 011992/ 211971/ 291991/ 161942/ 151979/ 09
Extreme Daily Precipitation (mm)29.619.121.339.847.480.0114.063.452.025.239.921.1
Date (yyyy/dd)1989/ 301962/ 031972/ 231991/ 061991/ 131974/ 261953/ 311994/ 171997/ 041991/ 161942/ 151955/ 26
Extreme Snow Depth (cm)79798461140005233845
Date (yyyy/dd)1974/ 301974/ 051974/ 181974/ 012003/ 061955/ 011955/ 011955/ 011974/ 301984/ 191996/ 201984/ 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 °C20.815.310.2200000212.819.582.6C
> 0 °C10.21320.82831303131302917.211.5282.7C
> 10 °C0.170.754.418.128.229.93130.826.117.31.40.25188.3C
> 20 °C000.042.310.418.124.121.99.620088.4C
> 30 °C00000.380.501.41.50.210004C
> 35 °C0000000000000C
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 °C0.360.793.214.328303130.927.416.220.96185.1C
<= 2 °C30.42830.421.470.0800.175.220.929.430.8203.8C
<= 0 °C30.227.527.815.83000.082.614.82830179.7C
< -2 °C29.626.322.88.81.20000.888.725.329.1152.6C
< -10 °C2015.591.5000001.11018.275.3C
< -20 °C9.15.520.04000000.041.76.224.6C
< - 30 °C1.50.540.1300000000.130.963.3C
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 mm1.10.831.45.910.514.214.611.19.65.61.50.7577.3C
>= 5 mm0.0400.040.832.44.45.13.32.60.500.04019.3C
>= 10 mm0000.331.22.42.61.81.20.17009.8C
>= 25 mm00000.130.540.880.500.210002.3C
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 cm10.77.77.74.21.2000.040.503.27.99.352.4C
>= 5 cm1.50.461.110.290000.080.791.10.677C
>= 10 cm0.250.130.170.380.2100000.330.2501.7C
>= 25 cm0.04000.080.0400000000.16C
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 mm117.98.38.81114.214.611.19.888.89.4122.9C
>= 5 mm1.20.380.881.82.64.45.13.32.71.20.960.6325.1C
>= 10 mm0.170.080.130.751.32.42.61.81.20.540.13011.2C
>= 25 mm0.04000.080.250.540.880.500.210.04002.5C
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 cm30.927.922.54.10.430000.083.61825.3132.7C
>= 5 cm26.224.316.92.10.1700002.111.319.9102.9C
>= 10 cm18.816.812.60.960.0900001.55.712.869.2C
>= 20 cm9.99.77.10.50000000.041.55.233.9C
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)10.310.511.613.513.813.212.411.412.312.010.410.611.8C
Most Frequent DirectionSWSSSNWNWWWNWSSSWWC
Maximum Hourly Speed (km/h)687165726869606968646465
Date (yyyy/dd)1959/ 021959/ 282004/ 091954/ 131965/ 171970/ 041960/ 181970/ 161958/ 281965/ 011961/ 012001/ 17
Direction of Maximum Hourly SpeedNWNNWNWNWWNNWNWNWW
Maximum Gust Speed (km/h)114105939110311710810911711310098
Date (yyyy/dd)1972/ 051959/ 281956/ 151982/ 291971/ 131960/ 061963/ 221964/ 181973/ 111965/ 011961/ 011979/ 06
Direction of Maximum GustNWNWNWWWSWSWWWNWNWNW
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 °C000000.30.60.500001.5C
Above 18 °C00004.511.833.531.42.40.10083.6C
Above 15 °C0000.918.445.993.183.714.2100257.1C
Above 10 °C000.213.383.1165.8239.2216.878.713.100810.1C
Above 5 °C0.21.15.366.8206.6314.3394369.9197.967.61.90.41,626C
Above 0 °C612.949.1179.6356.4464.3549524.8343.1178.324.29.62697.2C
Below 0 °C329.1227.3126.118.40.3000019.1147.5282.61150.4C
Below 5 °C478.3356.7237.455.65.60004.863.4275.3428.41905.5C
Below 10 °C633.1496.9387.2152.1371.60.21.935.6163.9423.35832915.8C
Below 15 °C788.1638.2542.1289.7127.331.69.123.8121.1306.8573.37384,189C
Below 18 °C881.1722.9635.1378.8206.487.542.564.6199.3398.9663.38315111.3C
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 Daily8.210.411.714.815.916.316.115.113.210.79.07.6
Date (yyyy/dd)1976/ 311968/ 281989/ 301960/ 271989/ 281962/ 141976/ 051979/ 061959/ 011980/ 031977/ 031977/ 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 Humidex10.613.823.529.233.435.939.039.634.128.318.916.0
Date (yyyy/dd)1968/ 231988/ 262004/ 301977/ 261986/ 282002/ 261955/ 181998/ 051967/ 011987/ 021975/ 031999/ 27
Days with Humidex >= 300.00.00.00.00.30.64.04.20.40.00.00.09.6C
Days with Humidex >= 350.00.00.00.00.00.00.50.30.00.00.00.00.9C
Days with Humidex >= 400.00.00.00.00.00.00.00.00.00.00.00.00.0C
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-53-51-45-37-1500-4-13-34-50-56
Date (yyyy/dd)1972/ 261989/ 021955/ 041954/ 011954/ 011953/ 011953/ 011992/ 221974/ 301984/ 311985/ 261964/ 15
Days with Wind Chill < -2014.310.15.50.50.00.00.00.00.00.65.512.548.9C
Days with Wind Chill < -307.23.81.00.00.00.00.00.00.00.01.04.817.8C
Days with Wind Chill < -401.30.30.10.00.00.00.00.00.00.00.10.92.8C
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)0.20.30.40.50.71.11.31.30.90.60.40.30.7C
Average Relative Humidity - 0600LST (%)73.675.275.471.869.876.581.483.581.475.777.773.676.3C
Average Relative Humidity - 1500LST (%)65.261.256.542.940.448.252.651.450.150.564.765.454.1C
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)93.593.693.593.593.493.493.693.693.693.493.493.493.5C
Average Sea Level Pressure (kPa)101.8101.8101.7101.5101.3101.2101.4101.5101.5101.4101.5101.7101.5C
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)713222932363330221585
Date (yyyy/dd)1964/ 301966/ 261965/ 311966/ 281965/ 211963/ 231964/ 071963/ 011964/ 101965/ 021963/ 071963/ 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 km3.73.33.520.900.41.10.61.49.32.828.9D
1 to 9 km89.57863.529.514.410.413.413.111.825.575.183.3507.4D
> 9 km650.9597677688.6728.8709.6730.2729.8707.7717.1635.66588230.1D
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 dates10%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 dates10%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
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

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