Station Results | Canadian Climate Normals 1961-1990

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.

Metadata including Station Name, Province, Latitude, Longitude, Elevation
GRINDSTONE ISLAND
QUEBEC
DefinitionLatitude:47°23' N DefinitionLongitude:61°52' W DefinitionElevation:60 m
1961 to 1990 Canadian Climate Normals station data
 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Temperature
Daily (°C)-6.3 -7.9 -4 0.2 5.7 11.8 16.4 16.9 12.8 7.7 2.9 -2.5 4.5
Daily Maximum (°C)-3.4 -4.7 -1.2 2.6 8.9 15.2 19.6 19.7 15.5 10.2 5.1 0 7.3
Daily Minimum (°C)-9.3 -11.2 -7 -2.3 2.5 8.2 13.2 14.1 10.1 5.1 0.5 -5.1 1.6
Extreme Maximum (°C)8.9 7.8 10.6 16.9 25 28.9 31.1 30.6 28.3 20 16.7 10.8
Date (yyyy/dd)1950/ 05 1976/ 02 1946/ 22 1982/ 26 1960/ 06 1955/ 27 1949/ 31 1935/ 19 1942/ 02 1968/ 03Legend++ 1982/ 04 1982/ 06
Extreme Minimum (°C)-25.6 -27.2 -26.1 -12.8 -6.1 0 1.8 3.9 -1.1 -5.6 -12.8 -24.4
Date (yyyy/dd)1897/ 20Legend++ 1891/ 14 1897/ 01 1893/ 03 1972/ 02Legend++ 1944/ 03 1982/ 02 1954/ 23 1890/ 30 1936/ 27 1894/ 20 1933/ 29
Precipitation
Rainfall (mm)29.4 24.8 26.2 44.5 60.3 61.8 61.9 74.8 76 92.9 81.7 55.4 689.8
Snowfall (cm)73.3 51.8 58.2 29.5 3.8 0 0 0 0 1.7 20 62.9 301.2
Precipitation (mm)99.6 75.2 83.8 74.6 64.3 61.8 61.9 74.8 76 94.7 101.9 118.6 987.3
Snow Depth at Month-end (cm)35 47 30 6 0 0 0 0 0 0 4 18
Extreme Daily Rainfall (mm)57.3 42.4 33 42.9 48.3 59.2 62 76.2 97.3 60.4 54.1 68.8
Date (yyyy/dd)1979/ 08 1966/ 14 1893/ 25 1951/ 10 1891/ 14 1958/ 26 1979/ 17 1949/ 19 1942/ 23 1977/ 21 1976/ 06 1937/ 05
Extreme Daily Snowfall (cm) 52.3 40.6 97.5 31.8 16 0.8 0 0 0 8.6 30 41.6
Date (yyyy/dd)1968/ 05 1935/ 26 1976/ 17 1972/ 09 1974/ 28 1944/ 03 1982/ 31Legend++ 1982/ 31Legend++ 1982/ 30Legend++ 1972/ 20 1980/ 19 1981/ 29
Extreme Daily Precipitation (mm) 60.7 43.9 97.5 42.9 48.3 59.2 62 76.2 97.3 60.4 54.1 68.8
Date (yyyy/dd)1979/ 08 1966/ 14 1976/ 17 1951/ 10 1891/ 14 1958/ 26 1979/ 17 1949/ 19 1942/ 23 1977/ 21 1976/ 06 1937/ 05
Degree Days
Above 18 °C 0.0 0.0 0.0 0.0 0.0 0.9 14.0 17.0 0.4 0.0 0.0 0.0 32
Above 5 °C 0.0 0.0 0.0 2.1 49.8 202.9 352.9 368.9 234.8 93.1 17.3 0.8 1323
Below 0 °C 198.9 229.6 133.2 28.0 0.2 0.0 0.0 0.0 0.0 0.1 10.9 98.8 700
Below 18 °C 754.3 736.2 685.3 534.7 380.0 188.1 64.1 51.1 155.6 320.9 455.0 637.4 4963
Days With
Maximum Temperature >0°C 7 5 12 24 31 30 31 31 30 31 27 14 272
Measurable Rainfall5 4 6 8 12 11 11 11 12 14 13 8 113
Measurable Snowfall16 12 11 7 1 0 0 0 0 Legend** 5 13 66
Measurable Precipitation18 14 15 13 12 11 11 11 12 14 15 19 165
Wind
Speed (km/h)38 34 33 30 28 27 26 26 29 32 35 37 31
Most Frequent DirectionNW NW NW NW S S SW SW W W NW NW W
Hourly Speed (km/h)132 146 140 113 97 97 117 97 121 135 132 130
DirectionNW NW W SE SE E NW E NW N NW W
Gust Speed (km/h)157 133 141 131 107 111 152 96 119 120 126 146
DirectionW NW S E NW NW NW N S W N N
Pressure
Station Pressure (kPa)100.16 100.25 100.26 100.36 100.61 100.53 LegendNXN LegendNXN 100.77 100.66 100.54 LegendNXN LegendNXN
Humidity
Vapour Pressure (kPa)0.34 0.31 0.41 0.53 0.75 1.14 LegendNXN 1.58 1.22 0.88 0.65 LegendNXN 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