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.

RATTLING BRK NORRIS ARM

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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)-6.8 -7.4 -3 2.2 7.8 13 17.7 16.7 12 6.7 2.2 -3.6 4.8
Daily Maximum (°C)-2 -2.2 1.7 6.4 13 18.8 23.4 22.1 17.1 11 5.9 0.5 9.7
Daily Minimum (°C)-11.8 -12.8 -7.8 -2 2.5 7.1 11.9 11.3 6.9 2.4 -1.6 -7.9 -0.2
Extreme Maximum (°C)13.5 14 17 23.5 29 33 34 35 30 25.6 21.1 17.8
Date (yyyy/dd)1986/ 28 1981/ 12 1979/ 25 1986/ 24 1979/ 20 1988/ 16 1989/ 27Legend++ 1976/ 22 1961/ 24Legend++ 1976/ 06 1967/ 04 1969/ 05
Extreme Minimum (°C)-32.8 -36.7 -32 -18.5 -9.4 -3.5 0 -0.6 -3.3 -10 -20 -33.3
Date (yyyy/dd)1975/ 31 1975/ 04 1990/ 08 1978/ 04 1962/ 01 1978/ 02 1974/ 09Legend++ 1959/ 22 1972/ 29 1984/ 27 1989/ 27 1972/ 31
Precipitation
Rainfall (mm)34.1 19.9 45.2 49.2 76.6 85 80.4 103.1 82.7 99.4 77.8 42.9 796.4
Snowfall (cm)73.9 72.4 60.4 33.1 5.1 0.3 0 0 0 5 22.7 64.9 337.8
Precipitation (mm)108 92.3 105.6 82.4 81.7 85.3 80.4 103.1 82.7 104.4 100.5 107.8 1134.2
Snow Depth at Month-end (cm)31 44 35 LegendNXN 0 0 0 0 0 0 5 18
Extreme Daily Rainfall (mm)51 44.2 43.2 33.5 53 44.7 44.2 67 44.4 66 56.9 71.9
Date (yyyy/dd)1983/ 13 1984/ 05 1965/ 05 1970/ 19 1990/ 20 1973/ 22 1969/ 27 1983/ 07 1986/ 17 1973/ 27 1971/ 15 1966/ 19
Extreme Daily Snowfall (cm)38.1 61 40.6 30 21.6 5.1 0 0 0 17.8 31 50
Date (yyyy/dd)1960/ 11 1962/ 10 1961/ 11 1990/ 23 1972/ 11 1968/ 09 1990/ 31Legend++ 1990/ 31Legend++ 1990/ 30Legend++ 1973/ 27 1980/ 19 1981/ 30
Extreme Daily Precipitation (mm)51 61 52.1 38.6 53 44.7 44.2 67 44.4 83.8 63 71.9
Date (yyyy/dd)1983/ 13 1962/ 10 1969/ 08 1970/ 19 1990/ 20 1973/ 22 1969/ 27 1983/ 07 1986/ 17 1973/ 27 1963/ 14 1966/ 19
Degree Days
Above 18 °C0 0 0 0 0.4 9.8 44.2 31.8 2.7 0.3 0 0 89
Above 5 °C0.7 0.5 3.1 17.1 105 241.2 393.1 363.6 211.1 78.7 22.1 3.6 1440
Below 0 °C222.6 220.3 122.2 16.8 0.6 0 0 0 0 0.9 22.9 137.3 743
Below 18 °C772.3 719.2 652.9 473.9 317.5 160 54.1 71.2 182 349.5 475.5 673.1 4901
Days With
Maximum Temperature >°C11 9 19 28 31 30 31 31 30 31 27 16 294
Measurable Rainfall5 4 7 10 14 14 14 15 15 16 12 7 132
Measurable Snowfall11 9 9 6 1 Legend** 0 0 0 1 4 10 52
Measurable Precipitation15 12 15 14 15 14 14 15 15 16 15 15 173

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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