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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.

VILLE MARIE
QUEBEC

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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)-15.0-12.8-6.42.910.515.718.317.112.36.0-1.8-9.63.1D
Standard Deviation3.73.12.02.12.11.61.11.41.21.52.24.23.2D
Daily Maximum (°C)-8.7-6.2-0.29.017.322.324.623.217.510.52.0-4.68.9D
Daily Minimum (°C)-21.3-19.5-12.6-3.33.79.112.011.17.01.3-5.6-14.7-2.7D
Extreme Maximum (°C)11.712.022.230.635.637.840.036.733.328.923.316.0
Date (yyyy/dd)1946/ 061994/ 191945/ 281921/ 241929/ 29+1956/ 111921/ 061947/ 23+1931/ 09+1938/ 111941/ 201982/ 03
Extreme Minimum (°C)-50.0-50.0-41.1-28.3-15.0-4.4-1.7-2.2-6.0-15.0-36.7-43.9
Date (yyyy/dd)1982/ 171914/ 111950/ 031920/ 05+1966/ 071954/ 15+1953/ 301915/ 261980/ 24+1923/ 311925/ 281917/ 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)11.54.618.744.878.489.987.796.485.485.241.312.1655.9D
Snowfall (cm)39.831.131.213.20.20.00.00.00.03.423.238.4180.6D
Precipitation (mm)51.435.849.958.078.689.987.796.485.488.664.550.4836.5D
Average Snow Depth (cm)23332840000003118D
Median Snow Depth (cm)2334292000000198D
Snow Depth at Month-end (cm)29321500000006178D
Extreme Daily Rainfall (mm)40.827.739.237.663.5108.092.563.578.752.044.548.3
Date (yyyy/dd)1995/ 141953/ 211991/ 271963/ 021917/ 201924/ 101955/ 171932/ 301937/ 101988/ 171931/ 171946/ 08
Extreme Daily Snowfall (cm)30.543.245.731.515.21.20.00.07.620.335.630.5
Date (yyyy/dd)1917/ 08+1914/ 071947/ 261990/ 161926/ 041980/ 091914/ 01+1913/ 01+1918/ 251916/ 17+1926/ 171921/ 18
Extreme Daily Precipitation (mm)40.843.245.737.663.5108.092.563.578.752.045.248.3
Date (yyyy/dd)1995/ 141914/ 071947/ 261963/ 021917/ 201924/ 101955/ 171932/ 301937/ 101988/ 171931/ 171946/ 08
Extreme Snow Depth (cm)5964685110001153053
Date (yyyy/dd)1981/ 131997/ 221983/ 241997/ 011984/ 01+1981/ 01+1981/ 01+1980/ 01+1980/ 261997/ 28+1995/ 261980/ 27
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 °C26.223.315.22.30.00.00.00.00.00.7811.823.2102.8D
> 0 °C4.84.815.827.731.030.031.031.030.030.218.27.8262.3D
> 10 °C0.00.111.511.426.929.731.031.027.916.12.70.18178.4D
> 20 °C0.00.00.02.110.219.327.423.48.71.20.00.092.2D
> 30 °C0.00.00.00.00.151.32.40.950.00.00.00.04.8D
> 35 °C0.00.00.00.00.00.00.050.050.00.00.00.00.10D
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 °C0.00.421.87.721.129.030.931.026.116.84.80.72170.1D
<= 2 °C31.028.130.425.913.93.50.320.685.918.327.530.9216.4D
<= 0 °C31.027.729.222.410.01.10.110.03.914.225.230.3195.1D
< -2 °C30.226.826.617.34.00.050.00.01.27.320.027.9161.3D
< -10 °C25.823.017.23.40.00.00.00.00.00.056.820.296.5D
< -20 °C17.414.47.20.100.00.00.00.00.00.00.538.948.6D
< - 30 °C6.43.60.840.00.00.00.00.00.00.00.01.812.7D
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 mm1.11.03.28.311.914.414.514.216.816.48.11.9111.8D
>= 5 mm0.580.281.53.15.45.45.55.75.15.82.71.142.2D
>= 10 mm0.420.110.651.53.13.02.93.72.62.41.20.4121.9D
>= 25 mm0.110.00.00.100.200.530.370.680.390.390.00.02.8D
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 cm12.28.98.34.00.200.00.00.00.01.16.712.053.3D
>= 5 cm2.82.22.00.950.00.00.00.00.00.221.72.712.6D
>= 10 cm0.670.530.830.250.00.00.00.00.00.110.680.413.5D
>= 25 cm0.00.00.00.050.00.00.00.00.00.00.00.00.05D
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 mm13.09.510.211.012.014.414.514.216.816.813.713.6159.6D
>= 5 mm3.32.53.74.15.45.45.55.75.16.14.43.854.9D
>= 10 mm1.10.711.51.93.13.02.93.72.62.61.90.8225.8D
>= 25 mm0.170.00.00.150.200.530.370.680.390.390.00.02.9D
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 cm30.928.230.213.20.260.00.00.00.00.9412.127.2143.0D
>= 5 cm29.828.029.16.70.00.00.00.00.00.476.521.3121.9D
>= 10 cm26.827.127.14.20.00.00.00.00.00.353.615.4104.4D
>= 20 cm18.522.822.92.40.00.00.00.00.00.00.786.173.6D
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 °C000000.82.71.300004.7D
Above 18 °C0000.55.2264834.76.60.100121.2D
Above 15 °C0002.118.862.6111.987.422.21.100306.2D
Above 10 °C00010.172.5173.8258.422292.716.10.70.1846.4D
Above 5 °C00.11.738.6179.1318.3413.3376.4217.673.28.40.61627.4D
Above 0 °C0.81.920.4117.5326.7468.2568.3531.4365.9189.843.26.82640.9D
Below 0 °C471.4373.7218.731.40.300005.297.2319.31517.2D
Below 5 °C625.5512.7355.1102.47.70.1001.843.6212.3468.22329.5D
Below 10 °C780.5653.5508.322456.25.70.10.626.8141.5354.6622.63374.3D
Below 15 °C935.5794.3663.3366157.444.58.621106.4281.5503.9777.54,660D
Below 18 °C1028.5878.8756.3454.4236.897.937.761.3180.8373.5593.9870.55570.4D
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 Daily9.110.312.313.814.815.215.014.112.811.49.48.2
Date (yyyy/dd)1981/ 301979/ 261990/ 291976/ 291971/ 271970/ 12+1970/ 05+1971/ 041970/ 011989/ 011981/ 021979/ 08
Frost-Free
1981 to 2010 Canadian Climate Normals station data
Frost-Free
Date/Days Code
Average Date of Last Spring Frost Jun 03 D
Average Date of First Fall Frost Sept 11 D
Average Length of Frost-Free Period 99 Days D
1981 to 2010 Canadian Climate Normals station data
Frost-Free
Probability of last temperature in spring <= 0°C, on or after (Date)10%25%33%50%66%75%90%
DateJun 24Jun 13Jun 07Jun 01May 30May 27May 15
Probability of first temperature in fall <= 0°C, on or before (Date)10%25%33%50%66%75%90%
DateAug 14Sep 06Sep 08Sep 13Sep 17Sep 19Sep 24
Probability of frost-free period equal to or less than indicated period (Days)10%25%33%50%66%75%90%
Days568393103109117122

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
  • + = Most recent occurrence of the extreme value
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.

VILLE MARIE

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