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.

SUFFIELD A *
ALBERTA

* 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)-9.3-6.3-0.66.411.816.219.518.812.86.3-2.4-8.05.4A
Standard Deviation5.24.63.71.81.51.31.61.92.11.84.04.91.3A
Daily Maximum (°C)-4.1-0.95.213.418.823.027.126.520.013.02.9-2.811.8A
Daily Minimum (°C)-14.5-11.8-6.4-0.54.89.311.811.05.5-0.4-7.8-13.1-1.0A
Extreme Maximum (°C)16.621.626.430.133.936.538.540.636.132.123.616.7
Date (yyyy/dd)1981/ 221992/ 272004/ 301980/ 201980/ 211984/ 292007/ 231961/ 051967/ 051980/ 061981/ 021962/ 15
Extreme Minimum (°C)-42.2-40.2-40.0-24.4-9.4-2.81.7-1.0-7.8-29.6-36.0-45.6
Date (yyyy/dd)1997/ 111996/ 011951/ 061954/ 021967/ 031969/ 121971/ 031980/ 251972/ 251991/ 291985/ 271968/ 29
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)0.60.24.013.235.764.333.729.731.110.62.60.7226.3A
Snowfall (cm)14.310.016.06.85.50.00.00.41.26.712.715.689.2A
Precipitation (mm)13.38.818.119.340.964.333.730.132.216.214.114.8305.8A
Average Snow Depth (cm)7430000000242A
Median Snow Depth (cm)6410000000131A
Snow Depth at Month-end (cm)5400000001382A
Extreme Daily Rainfall (mm)5.02.514.437.847.280.554.646.282.514.89.64.8
Date (yyyy/dd)1983/ 051953/ 101993/ 261976/ 251991/ 131973/ 151950/ 291954/ 241986/ 251995/ 031989/ 041987/ 09
Extreme Daily Snowfall (cm)17.815.221.227.933.90.00.010.412.737.117.824.4
Date (yyyy/dd)1967/ 051952/ 171998/ 161960/ 242003/ 041950/ 011950/ 011992/ 211972/ 231982/ 181975/ 261972/ 01
Extreme Daily Precipitation (mm)21.615.221.438.947.280.554.646.282.539.416.312.7
Date (yyyy/dd)1967/ 051952/ 171998/ 161976/ 251991/ 131973/ 151950/ 291954/ 241986/ 251966/ 131958/ 141956/ 02
Extreme Snow Depth (cm)3846384634001010262838
Date (yyyy/dd)1971/ 311971/ 031972/ 011975/ 092003/ 061955/ 011955/ 011992/ 221972/ 241982/ 181965/ 251996/ 31
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 °C17.9137.71.60.0400001.810.116.868.9A
> 0 °C13.115.223.328.4313031313029.219.914.2296.3A
> 10 °C12.810.321.728.229.93130.927.321.66.11.4212.1A
> 20 °C00.040.41513.321.728.927.115.550.150116.9A
> 30 °C00000.782.38.78.52.10.040022.4A
> 35 °C000000.111.30.930.070002.4A
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 °C0.961.44.11426.329.93130.926.815.43.81.4186.1A
<= 2 °C30.727.729.621.58.30.5600.226.421.22830.6204.8A
<= 0 °C3026.826.9164.70.0700.073.215.626.229.7179.1A
< -2 °C28.524.92210.31.60001.710.323.628151A
< -10 °C19.114.56.90.89000001.39.817.770.2A
< -20 °C9.15.41.70000000.192.26.525A
< - 30 °C2.710.1900000000.301.75.9A
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 mm0.630.37259.211.68.67.87.24.41.70.7659.2A
>= 5 mm0.0400.150.782.33.82.31.82.20.560.15014.1A
>= 10 mm000.070.221.21.90.810.920.630.22006A
>= 25 mm00000.110.370.150.040.070000.74A
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 cm7.36.26.92.61.4000.040.372.35.87.540.4A
>= 5 cm0.590.330.780.440.30000.040.110.330.700.734.4A
>= 10 cm000.300.070.11000.040.040.070.1100.74A
>= 25 cm00000.0400000.04000.08A
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 mm7.56.17.96.69.711.68.67.97.46.16.77.793.7A
>= 5 mm0.440.300.851.12.63.82.31.92.30.850.780.5817.7A
>= 10 mm000.330.371.31.90.8110.700.410.0706.9A
>= 25 mm00000.150.370.150.040.070000.78A
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 cm22.517.411.320.56000.040.071.810.918.885.3A
>= 5 cm14.89.670.670.26000.040.040.815947.2A
>= 10 cm8.64.83.20.260.19000.0400.482.24.724.3A
>= 20 cm3.50.350.7300.1100000.110.371.36.5A
Wind
1981 to 2010 Canadian Climate Normals station data
Wind
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
Maximum Hourly Speed (km/h)747784847977877985848474
Date (yyyy/dd)1972/ 051972/ 161977/ 081960/ 141965/ 161973/ 151968/ 201965/ 131984/ 061965/ 061977/ 021995/ 04
Direction of Maximum Hourly SpeedWSWWSWWNWWSWSWWWN
Maximum Gust Speed (km/h)111111102106106115132103106116129114
Date (yyyy/dd)1972/ 091972/ 161977/ 081958/ 161965/ 161977/ 011966/ 151962/ 221964/ 251955/ 241962/ 201958/ 01
Direction of Maximum GustNWSWSWSWWSNNNSWSWSW
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 °C00000.10.85.64.20.200010.9A
Above 18 °C0000.36.2247163.811.10.300176.6A
Above 15 °C000.12.121.963.5143.7129.832.52.800396.3A
Above 10 °C001.621.191.2186.9294.1273.7111.724.91.50.11006.7A
Above 5 °C1.43.616.886.4217.2335.6448.9427.9237.994.613.32.11885.6A
Above 0 °C14.326.278.4205.6367485.6603.9582.8383.5213.85417.23032.2A
Below 0 °C303.7204.996.712.70.20000.117.9127.2263.71027.2A
Below 5 °C445.9323.4190.143.55.5000.14.453.7236.6403.61706.8A
Below 10 °C599.5460.9329.9128.234.51.30.20.928.3139374.7556.62653.9A
Below 15 °C754.5602483.3259.2120.127.84.812.199271.9523.2711.63869.6A
Below 18 °C847.5686.7576.3347.4197.478.425.139167.7362.4613.2804.64745.7A
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 Hours113.2134.5176.9231.8262.6287.7328.5301.9216.7174.8113.393.62435.6D
Days with measurable26.325.227.028.628.828.730.530.327.328.524.523.9329.5D
% of possible daylight hours42.647.448.156.254.958.766.567.257.052.441.637.152.5D
Extreme Daily8.910.711.414.015.215.415.514.713.011.29.68.1
Date (yyyy/dd)1960/ 311968/ 281963/ 171976/ 301978/ 251959/ 041963/ 011978/ 021954/ 021982/ 011957/ 031969/ 01
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 Humidex14.217.225.728.933.338.444.140.437.129.422.214.9
Date (yyyy/dd)2003/ 072005/ 112004/ 301962/ 191972/ 311961/ 151973/ 101961/ 021955/ 021957/ 011975/ 042008/ 01
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-54-51-46-34-15000-13-25-44-55
Date (yyyy/dd)1969/ 311996/ 012002/ 081954/ 022002/ 031953/ 011953/ 011953/ 011961/ 272003/ 311996/ 211968/ 29
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)9152130313333282316107
Date (yyyy/dd)1967/ 311962/ 271965/ 281967/ 301968/ 201968/ 121968/ 021978/ 031962/ 041962/ 011967/ 021966/ 04
Frost-Free
1981 to 2010 Canadian Climate Normals station data
Frost-Free
Date/Days Code
Average Date of Last Spring Frost May 19 A
Average Date of First Fall Frost Sept 20 A
Average Length of Frost-Free Period 123 Days A
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%
DateJun 01May 25May 23May 20May 15May 12May 08
Probability of first temperature in fall of 0 °C or lower on or after indicated dates10%25%33%50%66%75%90%
DateSep 08Sep 11Sep 13Sep 18Sep 21Sep 24Oct 01
Probability of frost-free period equal to or less than indicated period (Days)10%25%33%50%66%75%90%
Days106112114119124133139

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.

SUFFIELD A

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