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Canadian Climate Normals 1961-1990 Station Data

Temperature and Precipitation Graph
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Normals Data

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.

VALLEYFIELD
QUEBEC

DefinitionLatitude:
45°17' N
DefinitionLongitude:
74°6' W
DefinitionElevation:
46 m

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Normals Station Data
(all elements)
1961 to 1990 Canadian Climate Normals Station Data
 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Temperature
Daily Average (°C)-9.8 -8.4 -2.1 5.9 13.2 18.5 LegendNXN 20.0 15.3 8.9 2.2 -6.2 LegendNXN
Daily Maximum (°C)-5.7 -4.2 2.0 10.7 18.6 23.7 LegendNXN 24.9 20.0 13.0 5.4 -2.5 LegendNXN
Daily Minimum (°C)-14.1 -12.8 -6.4 1.1 7.8 13.2 LegendNXN 15.1 10.5 4.6 -1.1 -10.0 LegendNXN
Extreme Maximum (°C)12.0 16.0 23.0 30.0 33.3 34.4 35.6 36.1 35.0 28.9 22.5 17.0
Date (yyyy/dd)1988/ 31 1981/ 22Legend++ 1986/ 30 1976/ 18 1975/ 23 1964/ 30Legend++ 1955/ 22 1975/ 01 1953/ 04 1968/ 02 1990/ 28 1982/ 03
Extreme Minimum (°C)-40.0 -32.2 -28.0 -15.6 -4.4 2.2 7.0 1.7 -1.0 -8.9 -21.0 -32.0
Date (yyyy/dd)1977/ 06 1959/ 09 1989/ 07 1954/ 04Legend++ 1966/ 07 1965/ 01 1990/ 06Legend++ 1957/ 23 1980/ 29 1957/ 21 1978/ 29 1980/ 25
Precipitation
Rainfall (mm)16.8 15.4 31.5 66.7 69.0 78.0 LegendNXN 95.8 85.9 71.6 68.9 32.0 LegendNXN
Snowfall (cm)44.3 38.2 26.1 5.4 0.5 0.0 0.0 0.0 0.0 0.9 15.9 44.6 176.0
Precipitation (mm)61.1 53.3 56.9 71.7 69.4 78.0 LegendNXN 95.8 85.9 72.5 85.1 77.3 LegendNXN
Snow Depth at Month-end (cm)LegendNXN LegendNXN LegendNXN 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 LegendNXN
Extreme Daily Rainfall (mm)43.4 40.6 39.4 36.6 44.5 41.1 112.0 92.3 72.9 52.8 35.0 46.5
Date (yyyy/dd)1962/ 15 1954/ 21 1952/ 04 1961/ 16 1954/ 03 1952/ 24 1986/ 26 1984/ 14 1975/ 25 1960/ 25 1988/ 01 1952/ 05
Extreme Daily Snowfall (cm)31.0 35.6 40.6 24.1 14.0 0.0 0.0 0.0 0.0 6.1 38.1 45.7
Date (yyyy/dd)1978/ 17 1956/ 11Legend++ 1971/ 04 1975/ 03 1963/ 10 1990/ 30Legend++ 1990/ 31Legend++ 1990/ 31Legend++ 1990/ 30Legend++ 1965/ 27 1968/ 12 1966/ 24
Extreme Daily Precipitation (mm)43.4 40.6 44.5 36.8 44.5 41.1 112.0 92.3 72.9 52.8 40.6 49.0
Date (yyyy/dd)1962/ 15 1954/ 21 1952/ 04 1961/ 13 1954/ 03 1952/ 24 1986/ 26 1984/ 14 1975/ 25 1960/ 25 1974/ 20 1952/ 05
Degree Days
Above 18 °C0.0 0.0 0.0 0.3 11.2 50.8 LegendNXN 84.5 21.4 1.3 0.0 0.0 LegendNXN
Above 5 °C0.1 0.7 7.7 67.5 251.3 402.5 LegendNXN 469.8 306.3 133.2 26.9 1.0 LegendNXN
Below 0 °C316.4 249.8 110.2 6.9 0.0 0.0 LegendNXN 0.0 0.0 0.2 31.4 214.5 LegendNXN
Below 18 °C869.7 751.3 625.4 366.2 164.4 38.3 LegendNXN 17.7 105.1 284.7 476.5 759.3 LegendNXN
Days With
Maximum Temperature >0 °C8.0 8.0 20.0 29.0 31.0 30.0 LegendNXN 31.0 30.0 31.0 25.0 11.0 LegendNXN
Measurable Rainfall3.0 2.0 5.0 10.0 12.0 11.0 LegendNXN 11.0 11.0 12.0 11.0 4.0 LegendNXN
Measurable Snowfall10.0 8.0 5.0 1.0 Legend** 0.0 0.0 0.0 0.0 Legend** 3.0 9.0 36.0
Measurable Precipitation12.0 9.0 9.0 11.0 12.0 11.0 LegendNXN 11.0 11.0 12.0 13.0 13.0 LegendNXN

Legend

  • C = Calm
  • M = No data for the period
  • N or X = Data exists, but not enough to derive a value
  • + = Most recent occurrence of the extreme value
  • * = Quantity is less than one

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