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.

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* This station meets WMO standards for temperature and precipitation.

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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)-8.4-5.50.17.012.416.720.019.313.26.9-1.8-7.06.1A
Standard Deviation5.14.63.61.71.51.31.81.92.11.73.94.81.3A
Daily Maximum (°C)-2.80.36.113.919.323.427.527.020.513.84.0-1.412.7A
Daily Minimum (°C)-14.1-11.3-6.0-0.05.49.912.411.65.9-0.0-7.5-12.6-0.5A
Extreme Maximum (°C)18.321.128.935.637.241.742.241.137.833.924.420.0
Date (yyyy/dd)1931/ 291992/ 271911/ 231910/ 261911/ 051900/ 211886/ 121961/ 051967/ 051889/ 061903/ 021885/ 01
Extreme Minimum (°C)-46.1-46.1-38.9-26.7-11.1-1.11.2-0.6-12.8-28.7-37.8-45.6
Date (yyyy/dd)1886/ 221887/ 041897/ 131899/ 011899/ 031910/ 031992/ 071911/ 271934/ 251991/ 291896/ 201884/ 22
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)0.60.45.114.437.865.436.333.835.612.32.50.8244.8A
Snowfall (cm)14.99.215.56.35.60.00.00.41.76.914.413.388.2A
Precipitation (mm)12.67.718.520.443.865.436.334.237.419.115.012.1322.6A
Average Snow Depth (cm)6320000000241C
Median Snow Depth (cm)5210000000131C
Snow Depth at Month-end (cm)4300000001372A
Extreme Daily Rainfall (mm)5.15.124.929.040.199.057.4121.9118.642.422.111.2
Date (yyyy/dd)1917/ 091896/ 261895/ 281991/ 271901/ 031998/ 271966/ 251927/ 141940/ 221914/ 041884/ 261900/ 01
Extreme Daily Snowfall (cm)26.427.933.825.423.21.50.011.826.221.632.222.9
Date (yyyy/dd)1971/ 241943/ 071954/ 111927/ 092002/ 221888/ 041884/ 011992/ 221945/ 221942/ 271990/ 241945/ 07
Extreme Daily Precipitation (mm)20.627.933.832.540.699.057.4121.9118.642.426.722.9
Date (yyyy/dd)1960/ 121943/ 071954/ 111991/ 271896/ 061998/ 271966/ 251927/ 141940/ 221914/ 041958/ 141945/ 07
Extreme Snow Depth (cm)43433146170048255043
Date (yyyy/dd)1969/ 271969/ 011998/ 181975/ 102003/ 051955/ 011955/ 011992/ 221965/ 261957/ 231990/ 261964/ 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 °C15.611.66.60.92000001.47.814.658.4A
> 0 °C15.416.624.429.1313031313029.722.216.4306.8A
> 10 °C1.53.511.522.328.429.93130.927.722.672.1218.5A
> 20 °C00.040.525.714.522.428.927.715.55.10.200120.4A
> 30 °C0000.041.32.89.910.22.300026.5A
> 35 °C000000.151.61.30.150003.2A
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 °C1.41.64.115.927.529.930.93127.4163.51.2190.4C
<= 2 °C30.627.829.620.16.40.300.040.125.120.228.330.6199.3C
<= 0 °C29.626.626.914.23.50.07002.61526.529.7174.6C
< -2 °C27.824.121.58.71.200019.222.827.8144.2C
< -10 °C17.313.66.70.62000001.281764.4C
< -20 °C7.65.51.60000000.241.86.122.8C
< - 30 °C1.710.15000000001.84.6C
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 mm0.730.522.15.59.810.98.36.97.44.41.80.8459.2A
>= 5 mm000.410.882.73.82.42.22.30.920.11015.7A
>= 10 mm000.110.270.881.91.10.930.810.23006.2A
>= 25 mm0000.040.080.480.150.110.190001.1A
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 cm7.86.472.91.4000.040.462.26.47.742.2A
>= 5 cm0.770.260.630.420.38000.040.150.460.780.564.5A
>= 10 cm0.1200.1500.12000.0400.150.150.040.77A
>= 25 cm000.0400000000.0700.11A
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 mm7.76.38.47.310.210.98.36.97.65.87.37.994.7A
>= 5 mm0.540.190.931.433.82.42.22.51.30.890.4419.6A
>= 10 mm0.0800.300.311.21.91.10.960.880.420.150.047.3A
>= 25 mm000.040.040.080.480.150.110.230.04001.2A
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 cm22.5159.21.20.22000.040.071.910.217.377.7C
>= 5 cm12.97.25.60.350.110000.040.925.18.140.3C
>= 10 cm7.42.72.60.040.0700000.401.84.319.4C
>= 20 cm1.40.190.3600000000.640.673.3C
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)13.313.513.615.115.113.812.111.612.314.113.814.013.5A
Most Frequent DirectionSWSWSWSWSWSWSWSWSWSWSWSWSWA
Maximum Hourly Speed (km/h)786587838074776572838077
Date (yyyy/dd)2003/ 031977/ 211977/ 082002/ 141953/ 071977/ 011967/ 241984/ 271971/ 111991/ 161962/ 191953/ 28
Direction of Maximum Hourly SpeedSWSWSWSWSEWNWNWSWSWW
Maximum Gust Speed (km/h)119117115107117148132130124126145116
Date (yyyy/dd)2003/ 031965/ 191977/ 081981/ 061965/ 161984/ 291962/ 281998/ 151964/ 251991/ 161962/ 191963/ 31
Direction of Maximum GustWNWSWSWWSWNWSWNWSWSW
Days with Winds >= 52 km/h1.10.60.81.21.41.30.81.00.61.40.81.012.0C
Days with Winds >= 63 km/h0.30.10.20.40.30.30.30.30.10.30.10.32.9C
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 °C00000.11.27.15.20.300013.9C
Above 18 °C0000.47.727.981.275.111.90.300204.6C
Above 15 °C000.12.82671.7157.7146.2362.600443.1C
Above 10 °C001.824.6103.7200.9309.2291.9119.725.22.101079.1C
Above 5 °C1.84.218.896.7234.1350.1464.1446.4248.9100.915.62.61,984C
Above 0 °C20.632.188.2220.6385500.1619.1601.3395.1225.76423.13174.7C
Below 0 °C256190.385.58.90000014.694.1231.6880.9C
Below 5 °C392.2303.6171.1354.2000.13.844.8195.7366.11516.5C
Below 10 °C545.4440.7309.1112.928.80.80.10.724.6124.1332.2518.52437.8C
Below 15 °C700.4581.8462.3241.1106.121.73.59.990.9256.5480.1673.53627.9C
Below 18 °C793.4666.6555.3328.7180.867.820.131.9156.8347.2570.1766.54485.1C
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
Total Hours110.0138.1174.2240.3282.8305.4353.5323.9221.4181.5114.698.62544.3D
Days with measurable25.925.227.328.528.928.830.730.427.828.623.924.5330.4D
% of possible daylight hours41.248.647.458.359.362.571.772.358.354.342.038.954.6D
Extreme Daily8.910.511.714.116.016.416.014.712.911.39.68.2
Date (yyyy/dd)1957/ 251990/ 282000/ 261993/ 212002/ 301994/ 191999/ 031981/ 011974/ 022000/ 061971/ 061975/ 05
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 Humidex16.520.925.430.537.039.042.341.138.430.722.817.2
Date (yyyy/dd)2003/ 071992/ 272004/ 301980/ 201986/ 291990/ 301955/ 181961/ 051953/ 121964/ 121975/ 041962/ 15
Days with Humidex >= 300.00.00.00.00.73.410.010.42.00.00.00.026.5A
Days with Humidex >= 350.00.00.00.00.10.52.21.40.20.00.00.04.4A
Days with Humidex >= 400.00.00.00.00.00.00.10.00.00.00.00.00.2A
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-54-51-45-31-13-300-13-38-49-59
Date (yyyy/dd)1957/ 241956/ 151976/ 031954/ 021954/ 021998/ 021953/ 011953/ 011972/ 281991/ 291985/ 271968/ 28
Days with Wind Chill < -2013.59.03.90.20.00.00.00.00.00.54.611.843.5A
Days with Wind Chill < -306.63.70.90.00.00.00.00.00.00.11.24.417.0A
Days with Wind Chill < -401.50.70.10.00.00.00.00.00.00.00.21.43.9A
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)0.30.30.40.50.711.21.10.80.60.40.30.7A
Average Relative Humidity - 0600LST (%)73.974.776.672.372.675.974.875.276.67575.674.274.8A
Average Relative Humidity - 1500LST (%)64.960.250.837.839.441.636.635.339.743.757.664.747.7A
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)93.193.1939392.992.993.193.193.193.19393.193.1A
Average Sea Level Pressure (kPa)101.9101.9101.6101.5101.3101.2101.4101.4101.5101.6101.6101.8101.6A
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 km6.47.35.61.90.50.30.30.40.93.666.139.2D
1 to 9 km68.25470.525.420.59.84.211.614.2245766.8425.9D
> 9 km669.4615.3667.9692.7723709.9739.6732705716.4657.1671.18299.4D
Cloud Amount (hours with)
1981 to 2010 Canadian Climate Normals station data
Cloud Amount (hours with)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
0 to 2 tenths188.2168.5152158.9154.2145.5242.7240.2242.2223.41751962286.7D
3 to 7 tenths176.2172.9185216.7220242.9268.1250.5186.5182171.8176.52,449D
8 to 10 tenths379.6335.1407.1344.5369.8331.6233.2253.3291.4338.6373.2371.54028.9D
Frost-Free
1981 to 2010 Canadian Climate Normals station data (Frost-Free)
Frost-Free
Date/Days Code
Average Date of Last Spring Frost May 13 D
Average Date of First Fall Frost Sept 25 D
Average Length of Frost-Free Period 134 Days D
1981 to 2010 Canadian Climate Normals station data (Frost-Free)
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 22May 18May 14May 11May 08May 05
Probability of first temperature in fall of 0 °C or lower on or after indicated dates10%25%33%50%66%75%90%
DateSep 07Sep 12Sep 14Sep 18Sep 23Sep 26Oct 05
Probability of frost-free period equal to or less than indicated period (Days)10%25%33%50%66%75%90%
Days107116120127135137148

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.

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