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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.

MARATHON
ONTARIO

DefinitionLatitude:
48°43' N
DefinitionLongitude:
86°24' W
DefinitionElevation:
189 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)-13.9 -11.8 -5.8 1.8 7.4 LegendNXN 13.6 14.3 10.7 5.9 -1.5 LegendNXN LegendNXN
Daily Maximum (°C)-8.6 -6.5 -0.7 6.3 12.3 15.7 18.1 18.5 14.6 9.4 1.9 LegendNXN LegendNXN
Daily Minimum (°C)-19.3 -17.6 -11.2 -2.9 2.4 5.9 9.1 10.1 6.6 2.0 -5.0 LegendNXN LegendNXN
Extreme Maximum (°C)7.2 8.3 12.8 24.5 28.9 30.0 32.2 30.0 25.6 25.0 17.2 13.5
Date (yyyy/dd)1973/ 26 1954/ 20 1974/ 07 1980/ 30 1975/ 23 1972/ 25Legend++ 1950/ 28 1955/ 14 1961/ 02 1983/ 01 1956/ 03 1982/ 02
Extreme Minimum (°C)-45.0 -36.1 -33.3 -21.1 -10.0 -2.5 1.5 1.1 -6.1 -9.4 -27.8 -34.4
Date (yyyy/dd)1982/ 17 1966/ 18 1967/ 07 1950/ 08 1981/ 10 1983/ 08 1983/ 05 1957/ 27Legend++ 1964/ 30 1976/ 27Legend++ 1964/ 30 1953/ 30
Precipitation
Rainfall (mm)5.5 5.5 22.2 46.5 62.0 84.0 82.3 82.8 88.6 80.5 40.9 11.6 612.3
Snowfall (cm)64.9 48.3 41.4 9.1 1.5 0.0 0.0 0.0 0.0 5.5 26.1 51.6 248.6
Precipitation (mm)70.5 53.8 63.6 55.6 63.5 84.0 82.3 82.8 88.7 86.0 66.9 64.2 861.9
Extreme Daily Rainfall (mm)27.9 15.2 44.7 38.1 43.9 53.3 52.0 83.3 93.0 44.5 39.4 29.2
Date (yyyy/dd)1975/ 10 1964/ 12 1977/ 12 1973/ 15 1959/ 28 1953/ 08 1977/ 13 1979/ 31 1977/ 08 1983/ 12 1983/ 23 1971/ 10
Extreme Daily Snowfall (cm)48.3 36.6 38.1 15.2 11.4 0.0 0.0 0.0 1.5 20.0 30.0 30.5
Date (yyyy/dd)1972/ 21 1970/ 16 1972/ 21 1957/ 11 1973/ 02 1983/ 30Legend++ 1983/ 31Legend++ 1983/ 31Legend++ 1974/ 30 1982/ 20 1982/ 12 1968/ 22
Extreme Daily Precipitation (mm)48.3 36.6 44.7 38.1 43.9 53.3 52.0 83.3 93.0 44.5 39.4 30.5
Date (yyyy/dd)1972/ 21 1970/ 16 1977/ 12 1973/ 15 1959/ 28 1953/ 08 1977/ 13 1979/ 31 1977/ 08 1983/ 12 1983/ 23 1968/ 22
Degree Days
Above 18 °CLegendNXN LegendNXN LegendNXN LegendNXN LegendNXN LegendNXN 2.2 LegendNXN LegendNXN LegendNXN 0.0 LegendNXN LegendNXN
Above 5 °CLegendNXN LegendNXN LegendNXN LegendNXN LegendNXN LegendNXN 267.3 LegendNXN LegendNXN LegendNXN 5.2 LegendNXN LegendNXN
Below 0 °CLegendNXN LegendNXN LegendNXN LegendNXN LegendNXN LegendNXN 0.0 LegendNXN LegendNXN LegendNXN 90.2 LegendNXN LegendNXN
Below 18 °CLegendNXN LegendNXN LegendNXN LegendNXN LegendNXN LegendNXN 137.9 LegendNXN LegendNXN LegendNXN 587.9 LegendNXN LegendNXN
Days With
Maximum Temperature >0 °CLegendNXN LegendNXN 15.0 LegendNXN LegendNXN LegendNXN 31.0 LegendNXN LegendNXN LegendNXN 19.0 LegendNXN LegendNXN
Measurable RainfallLegend** Legend** 3.0 7.0 10.0 12.0 11.0 11.0 13.0 12.0 6.0 2.0 90.0
Measurable Snowfall12.0 10.0 8.0 3.0 Legend** 0.0 0.0 0.0 Legend** 1.0 7.0 10.0 51.0
Measurable Precipitation12.0 10.0 10.0 9.0 10.0 12.0 11.0 11.0 13.0 13.0 12.0 12.0 136.0

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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