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Canadian Climate Normals 1971-2000

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.

NOTE!! 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.

QUEBEC/JEAN LESAGE INTL A
QUEBEC
Latitude: 46°48'00.000" N Longitude: 71°23'00.000" W Elevation: 74.40 m
Climate ID: 7016294 WMO ID: 71708 TC ID: YQB
Normals from to  
January-June January-December+Year July-December
Temperature:Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
Daily Average (°C)-12.8 -11.1 -4.6 3.3 11.2 16.5 19.2 17.9 12.5 6.2 -0.7 -9.1 4 C
Standard Deviation2.7 2.5 2.1 1.5 1.3 1.1 1.1 1.2 1.2 1.5 1.5 3 0.8 C
Daily Maximum (°C)-7.9 -6.1 0.1 7.8 17.1 22.2 25 23.4 17.7 10.7 2.9 -4.8 9 C
Daily Minimum (°C)-17.6 -16 -9.4 -1.3 5.3 10.6 13.4 12.4 7.2 1.7 -4.3 -13.4 -0.9 C
Extreme Maximum (°C)10 11.7 17.8 29.9 33 33.9 35.6 34.4 33.9 28.3 20 13.9    
Date (yyyy/dd)1950/04 1953/21 1962/30 1990/27 1978/29 1947/23 1953/17 1975/01 1947/15 1949/11 1956/01 1951/07  
Extreme Minimum (°C)-35.4 -36.1 -30 -18.9 -7.8 -0.6 3.9 2.2 -4.8 -10 -24 -32.3    
Date (yyyy/dd)1981/04 1962/02 1950/03 1954/04 1947/08 1948/06 1969/07 1965/31 1980/29 1959/21 1978/27 1993/28  
Precipitation:
Rainfall (mm)26.1 12.6 39 59.5 105.5 114.2 127.8 116.7 125.5 99.5 67.9 29.5 923.8 C
Snowfall (cm)72.9 63.2 49 17.6 0.4 0 0 0 0 1.9 33.2 77.7 315.9 C
Precipitation (mm)89.8 70.6 90.3 81.2 106.1 114.2 127.8 116.7 125.5 101.7 102 104.4 1230.3 C
Average Snow Depth (cm)58 76 72 23 0 0 0 0 0 0 3 29 22 C
Median Snow Depth (cm)58 76 72 23 0 0 0 0 0 0 1 29 22 C
Snow Depth at Month-end (cm)70 81 51 0 0 0 0 0 0 0 10 48 22 C
Extreme Daily Rainfall (mm)34.2 53.4 56.9 55.4 54.2 78 59.9 55.4 81.2 56.9 45.5 43.4    
Date (yyyy/dd)1978/09 1983/03 1975/20 1947/11 1986/07 1979/16 1974/30 1979/24 1979/14 1973/05 1943/08 1973/21  
Extreme Daily Snowfall (cm)33 29.2 43.9 33 7.1 0.3 0 0 0 17.3 32 35.6    
Date (yyyy/dd)1986/26 1955/11 1971/04 1975/03 1943/03 1964/16 1943/01 1943/01 1943/01 1962/31 1986/21 1946/21  
Extreme Daily Precipitation (mm)42.2 53.4 63.5 55.4 54.2 78 59.9 55.4 81.2 56.9 45.7 47.8    
Date (yyyy/dd)1994/28 1983/03 1975/20 1947/11 1986/07 1979/16 1974/30 1979/24 1979/14 1973/05 1950/04 1973/21  
Extreme Snow Depth (cm)155 165 157 102 8 13 0 0 0 15 58 107    
Date (yyyy/dd)1969/08 1976/23 1972/08 1978/05 1972/01 1957/30 1955/01 1955/01 1955/01 1959/21 1965/28 1968/29  
Days with Maximum Temperature:
<= 0 °C26.6 23.8 14.2 1.9 0 0 0 0 0 0 8.6 23.8 98.8 C
> 0 °C4.4 4.5 16.8 28.1 31 30 31 31 30 31 21.4 7.3 266.5 C
> 10 °C0 0.04 0.68 9.2 27.7 29.9 31 31 28.8 16 2.4 0.13 176.9 C
> 20 °C0 0 0 0.60 9.9 20.7 28 24.9 8.5 0.96 0 0 93.5 C
> 30 °C0 0 0 0 0.63 1 2.2 0.72 0.08 0 0 0 4.6 C
> 35 °C0 0 0 0 0 0 0 0 0 0 0 0 0 C
Days with Minimum Temperature:
> 0 °C0.08 0.36 1.8 12 28.5 30 31 31 28.8 19.3 6.1 0.54 189.4 C
<= 2 °C31 28.2 30.7 24.2 6.2 0.16 0 0 4 17.3 27.3 31 200 C
<= 0 °C30.9 27.9 29.2 18 2.5 0.04 0 0 1.3 11.7 23.9 30.5 175.9 C
< -2 °C30.2 27.2 25.3 10.9 0.54 0 0 0 0.21 5.9 18.8 29 148.1 C
< -10 °C25.2 21.9 13.5 1.1 0 0 0 0 0 0 3.8 19.6 85.1 C
< -20 °C12.8 8.8 2.3 0 0 0 0 0 0 0 0.21 6.9 31.1 C
< - 30 °C1.1 0.28 0 0 0 0 0 0 0 0 0 0.29 1.7 C
Days with Rainfall:
>= 0.2 mm3.6 2.3 5.5 10.4 14.3 13.7 13.8 13.9 14.2 14.8 10.3 4.4 121.1 C
>= 5 mm1.6 0.68 2.5 3.8 6.4 6.4 7.3 6.8 6.8 5.5 4.2 2.1 54.1 C
>= 10 mm1.1 0.44 1.3 2.2 3.6 3.6 4.2 4.3 4 3.3 2.4 1.1 31.5 C
>= 25 mm0.16 0.12 0.28 0.08 0.88 1.2 1.3 1.2 1.4 0.79 0.42 0.21 8 C
Days With Snowfall:
>= 0.2 cm17.5 13.9 11.4 5.2 0.29 0 0 0 0 0.96 9 18.1 76.4 C
>= 5 cm5.4 4.4 3 1.1 0 0 0 0 0 0.08 2 5.5 21.4 C
>= 10 cm1.8 2.2 1.5 0.40 0 0 0 0 0 0 0.92 2.1 8.9 C
>= 25 cm0.16 0.04 0.12 0.04 0 0 0 0 0 0 0.08 0.13 0.57 C
Days with Precipitation:
>= 0.2 mm18.5 14.9 14.3 13.3 14.3 13.7 13.8 13.9 14.2 15.1 16.4 19.5 181.9 C
>= 5 mm5.9 4.4 5.7 5.2 6.4 6.4 7.3 6.8 6.8 5.8 6.2 6.7 73.6 C
>= 10 mm2.6 2.4 3 3.1 3.6 3.6 4.2 4.3 4 3.3 3.8 3.5 41.4 C
>= 25 mm0.48 0.28 0.48 0.16 0.88 1.2 1.3 1.2 1.4 0.79 0.58 0.67 9.4 C
Days with Snow Depth:
>= 1 cm31 28.2 31 19.2 0.08 0 0 0 0 0.21 11.5 27.7 148.9 C
>= 5 cm31 28.2 31 18.1 0.04 0 0 0 0 0 7.5 26.5 142.3 C
>= 10 cm30.7 28.2 30.8 16.6 0 0 0 0 0 0 4 23.8 134.1 C
>= 20 cm29.5 28.1 30.3 14 0 0 0 0 0 0 1 18.3 121.1 C
Wind:
Speed (km/h)16.6 15.6 15.5 14.9 13.8 11.8 10.6 10.5 11.4 12.8 14.3 15.1 13.6 A
Most Frequent DirectionSW SW NE NE NE SW SW SW SW SW SW SW SW A
Maximum Hourly Speed (km/h)84 97 82 72 72 70 77 64 72 80 87 74    
Date (yyyy/dd)1962/16 1956/25 1964/27 1975/03 1963/19 1983/07 1963/02 1968/14 1962/28 1958/05 1963/08 2000/18  
Maximum Gust Speed (km/h)109 113 111 101 116 177 137 98 137 111 113 113    
Date (yyyy/dd)1965/09 1965/25 1971/04 1962/13 1963/19 1962/30 1963/02 1960/29 1959/04 1960/07 1959/25 1962/06  
Direction of Maximum GustW NE NE NE SW W W W W W SW NE W  
Days with Winds >= 52 km/h1 0.8 0.7 0.9 0.4 0.2 0.2 0.1 0.1 0.4 0.9 0.4 6 C
Days with Winds >= 63 km/h0.2 0.1 0.1 0.2 0.1 0 0 0 0 0.1 0.2 0 1.1 C
Degree Days:
Above 24 °C0 0 0 0 0 0.4 2.1 0.5 0 0 0 0 3.1 C
Above 18 °C0 0 0 0 3.9 25 59.2 39.3 5.8 0.1 0 0 133.3 C
Above 15 °C0 0 0 0.4 15.3 69 134.6 100.2 19.6 0.8 0 0 339.8 C
Above 10 °C0 0 0 4.5 74.4 194.7 286.2 245.3 91.4 11.9 0.2 0 908.6 C
Above 5 °C0 0.1 1.2 29.3 198.9 343.4 441.2 400.1 224.3 67.7 6.4 0.2 1712.8 C
Above 0 °C1.1 2.5 18.1 116.2 351.4 493.4 596.2 555.1 373.5 193.8 46.4 3.8 2751.3 C
Below 0 °C396.6 314.7 161.6 17.5 0 0 0 0 0 1.7 67.6 286 1245.6 C
Below 5 °C550.5 453.5 299.7 80.6 2.5 0 0 0 0.8 30.6 177.7 437.3 2033.3 C
Below 10 °C705.5 594.6 453.6 205.8 33.1 1.3 0 0.2 17.9 129.8 321.5 592.2 3055.3 C
Below 15 °C860.5 735.8 608.6 351.7 129 25.6 3.4 10.2 96 273.6 471.3 747.2 4312.8 C
Below 18 °C953.5 820.5 701.6 441.3 210.6 71.6 21 42.3 172.2 365.9 561.3 840.2 5201.9 C
Bright Sunshine:
Total Hours100.3 123.6 149.4 168.6 215.9 232 251.7 225.2 155.5 119.8 81.6 81.1 1904.8 C
Days with measureable20.6 21.1 24.3 23.9 27.2 27.4 29.4 28.5 25.1 24.5 19.6 19.3 290.9 C
% of possible daylight hours36 42.5 40.6 41.4 46.4 49 52.5 51.2 41.2 35.4 28.9 30.4 41.3 C
Extreme Daily9.2 10.5 11.7 13.7 14.9 15.2 15.2 14.2 12.9 10.7 9.5 8.5   B
Date (yyyy/dd)1988/22 1982/28 1974/20 1978/27 1985/29 1974/28 1991/01 1972/04 1991/01 1974/13 1977/05 1986/01  
Humidex:
Extreme Humidex10.6 11.7 17.8 32.9 37.3 44.1 49.2 49.3 40.1 30.9 24.9 14.6    
Date (yyyy/dd)1996/19 2000/27 1962/30 1990/27 1978/27 1959/29 2002/02 1975/01 1959/08 1979/22 1999/03 1982/04  
Days with Humidex >= 300 0 0 0 1.2 5.9 12.1 9.4 1.7 0 0 0 30.4 A
Days with Humidex >= 350 0 0 0 0.1 1.8 3.8 2 0.3 0 0 0 8 A
Days with Humidex >= 400 0 0 0 0 0.2 0.7 0.2 0 0 0 0 1.1 A
Wind Chill:
Extreme Wind Chill-51.1 -52.4 -41 -29 -13.6 -2.9 1.7 -0.6 -7.8 -17.3 -30.8 -48.4    
Date (yyyy/dd)1981/03 1967/12 1989/07 1954/04 1966/07 1980/09 1979/05 1965/31 1980/29 1959/21 1978/27 1993/27  
Days with Wind Chill < -2021.1 16.4 8.2 0.3 0 0 0 0 0 0 1.3 14 61.4 A
Days with Wind Chill < -309.7 6.1 1.2 0 0 0 0 0 0 0 0 4.5 21.6 A
Days with Wind Chill < -401.5 0.6 0 0 0 0 0 0 0 0 0 0.5 2.7 A
Humidity:
Average Vapour Pressure (kPa)0.2 0.2 0.4 0.5 0.9 1.3 1.6 1.6 1.2 0.7 0.5 0.3 0.8 A
Average Relative Humidity - 0600LST (%)72.1 71.9 73.8 74 73.9 78.6 82.9 84.3 85.3 81.4 80.5 77.5 78 A
Average Relative Humidity - 1500LST (%)67.6 64.3 61.8 56.5 50.9 55.9 58.2 59.3 61.9 62.1 69.9 72.2 61.7 A
Pressure:
Average Station Pressure (kPa)100.6 100.7 100.6 100.5 100.5 100.4 100.4 100.6 100.7 100.8 100.7 100.7 100.6 A
Average Sea Level Pressure (kPa)101.6 101.6 101.5 101.4 101.4 101.3 101.3 101.5 101.6 101.7 101.6 101.7 101.5 A
Radiation:
Extreme Net - RF4 (MJ/m2)2 7 12.1 14.6 16.8 20.2 19.6 17 12.4 7.7 3.4 2.6    
Date (yyyy/dd)1981/26 1981/22 1993/28 1979/16 1981/17 1979/28 1979/03 1979/04 1979/07 1981/01 1981/09 1980/08  
Visibility (hours with):
< 1 km15.7 16.6 15.7 11.5 2.3 4 3.2 2.7 4.9 6.7 17.2 17.3 117.7 B
1 to 9 km175 134.2 112 76.7 61.9 63.8 65.9 81.9 72 72.6 115.1 169.6 1200.6 B
> 9 km553.3 527 616.3 631.8 679.8 652.2 674.9 659.4 643.1 664.7 587.8 557.1 7447.4 B
Cloud Amount (hours with):
0 to 2 tenths192.4 193.2 207.2 173.6 172.4 153.4 172.1 188.7 173.9 154 120.2 170.7 2071.8 B
3 to 7 tenths109.9 109.6 112.6 118.6 152.4 178.7 216.9 189.4 154.9 134.7 113.6 100.8 1691.9 B
8 to 10 tenths441.7 375 424.2 427.9 419.2 387.9 355.1 365.9 391.2 455.4 486.2 472.4 5002 B


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Date Modified: 2013-02-04

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