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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.

RED DEER A *
ALBERTA
Latitude: 52°10'43.000" N Longitude: 113°53'35.000" W Elevation: 904.60 m
Climate ID: 3025480 WMO ID: 71878 TC ID: YQF
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)-13.2 -10 -4.1 4.2 9.8 13.7 15.6 14.9 9.9 4.1 -5.4 -11.1 2.4 A
Standard Deviation4.5 4.5 3.3 1.9 1.5 1 1.1 1.8 1.8 1.5 3.6 4.3 1.1 A
Daily Maximum (°C)-7.2 -3.7 1.9 10.9 16.9 20.2 22.3 21.9 17.1 11.4 0.4 -5.2 8.9 A
Daily Minimum (°C)-19.1 -16.2 -10.1 -2.6 2.8 7.1 8.8 7.8 2.6 -3.2 -11.2 -17 -4.2 A
Extreme Maximum (°C)10.9 18.1 19.4 32.8 34.5 32.8 36.1 35 35 28.9 22.8 17.2    
Date (yyyy/dd)1987/11 1988/26 1942/31 1946/26 1986/28 1969/18 1941/18 1940/30 1967/01 1943/02 1975/04 1941/02  
Extreme Minimum (°C)-46.1 -43.9 -42.8 -32.8 -15.6 -5 0.2 -5.1 -11.7 -28.8 -38.4 -44.1    
Date (yyyy/dd)1972/26 1939/09 1951/08 1954/02 1954/01 1969/12 1999/16 1992/24 1951/27 1991/29 1984/01 1977/09  
Precipitation:
Rainfall (mm)1 0.5 1.3 12 51.2 92 93.1 70 46.4 11.9 1.1 0.8 381.4 A
Snowfall (cm)21.4 12.5 18.4 11.4 4.9 0 0 0 3.2 8.5 16.9 18.9 116.2 A
Precipitation (mm)19 10.8 16.9 22.6 56 92.1 93.1 70.1 49.5 19.8 15.9 17.1 482.7 A
Average Snow Depth (cm)19 18 12 2 0 0 0 0 0 0 4 11 6 A
Median Snow Depth (cm)19 17 11 1 0 0 0 0 0 0 4 10 5 A
Snow Depth at Month-end (cm)20 15 6 0 0 0 0 0 0 1 7 15 5 A
Extreme Daily Rainfall (mm)13.2 7.2 10.7 48 46.2 99.6 85.3 124.2 62.5 21.1 4.3 10.6    
Date (yyyy/dd)1971/07 1989/23 1959/26 1951/30 1981/06 1970/30 1949/16 1938/07 1969/04 1970/05 1966/05 2000/27  
Extreme Daily Snowfall (cm)18.5 16.5 27.4 20.3 33 3.8 0 3.8 15.5 25.4 20.3 32.3    
Date (yyyy/dd)1994/13 1960/09 1958/05 1963/16 1986/14 1967/10 1938/01 1952/29 1968/21 1957/21 1938/10 1975/30  
Extreme Daily Precipitation (mm)15.7 16.5 27.4 48 47 99.6 85.3 124.2 62.5 30.5 22.9 32.3    
Date (yyyy/dd)1963/13 1960/09 1958/05 1951/30 1981/06 1970/30 1949/16 1938/07 1969/04 1970/05 1942/15 1975/30  
Extreme Snow Depth (cm)56 69 64 53 16 0 0 0 8 25 44 46    
Date (yyyy/dd)1974/30 1966/19 1974/26 1974/01 1986/15 1955/01 1955/01 1955/01 1965/26 1957/22 1996/23 1975/31  
Days with Maximum Temperature:
<= 0 °C23 16.7 10.5 1.7 0.07 0 0 0 0.10 1.8 13.5 21.4 88.7 A
> 0 °C8 11.6 20.5 28.3 30.9 30 31 31 29.9 29.2 16.6 9.6 276.6 A
> 10 °C0.07 0.63 2.9 16.2 27.1 29.7 31 30.6 25.1 18.1 2.9 0.38 184.8 A
> 20 °C0 0 0 2.4 9.2 15.3 21.1 20.4 10.1 3.5 0.14 0 82.1 A
> 30 °C0 0 0 0 0.23 0.28 0.83 1.3 0.23 0 0 0 2.9 A
> 35 °C0 0 0 0 0 0 0 0 0 0 0 0 0 A
Days with Minimum Temperature:
> 0 °C0.03 0.07 0.64 7.3 24.2 29.6 31 30.7 23 6.7 0.59 0.07 153.8 A
<= 2 °C31 28.2 31 26.8 13.1 1.6 0.24 1.5 12.5 28.1 29.9 31 235 A
<= 0 °C31 28.2 30.4 22.7 6.8 0.41 0 0.34 7 24.3 29.4 30.9 211.4 A
< -2 °C30.7 27.9 27.8 15.1 2.5 0.03 0 0.03 3.2 17.9 28 30.6 183.9 A
< -10 °C26.5 20.8 13.4 1.6 0 0 0 0 0 1.9 15.6 24.9 104.6 A
< -20 °C13.1 8.4 2.9 0.21 0 0 0 0 0 0.21 3.1 9.3 37.3 A
< - 30 °C4 1.8 0.43 0 0 0 0 0 0 0 0.55 2.5 9.3 A
Days with Rainfall:
>= 0.2 mm0.40 0.17 1 4.8 11 14.9 14.4 12.2 9.8 4.6 1.3 0.62 75.2 A
>= 5 mm0.07 0.07 0.03 0.66 3.2 5.3 5.4 4 2.7 0.62 0 0.03 22.1 A
>= 10 mm0.03 0 0 0.24 1.7 3.2 2.8 2.1 1.3 0.28 0 0.03 11.7 A
>= 25 mm0 0 0 0 0.14 0.55 0.70 0.52 0.20 0 0 0 2.1 A
Days With Snowfall:
>= 0.2 cm10 7 7.6 4.7 1.8 0.07 0 0.03 1 3.4 7.5 8.8 51.8 A
>= 5 cm1 0.50 1.1 0.76 0.28 0 0 0 0.17 0.38 0.76 0.86 5.9 A
>= 10 cm0.20 0 0.21 0.07 0.07 0 0 0 0.07 0.17 0.17 0.21 1.2 A
>= 25 cm0 0 0 0 0 0 0 0 0 0 0 0.03 0.03 A
Days with Precipitation:
>= 0.2 mm9.9 6.8 8 8.2 11.6 14.9 14.4 12.3 10.3 6.9 8.1 8.7 120.1 A
>= 5 mm0.80 0.43 0.97 1.5 3.6 5.3 5.4 4 2.9 1 0.69 0.66 27.3 A
>= 10 mm0.13 0 0.10 0.38 1.9 3.2 2.8 2.1 1.4 0.41 0.17 0.28 12.8 A
>= 25 mm0 0 0 0 0.17 0.55 0.70 0.52 0.23 0 0 0.03 2.2 A
Days with Snow Depth:
>= 1 cm29.9 27.3 24.4 6 0.43 0 0 0 0.37 2.5 16.6 25.1 132.6 A
>= 5 cm28.4 24.3 20 4 0.17 0 0 0 0.10 1.1 8.2 19 105.3 A
>= 10 cm23.8 20.1 15.1 2.5 0.07 0 0 0 0 0.41 3.9 13.3 79.2 A
>= 20 cm13.7 10.6 6.8 1 0 0 0 0 0 0.17 1.5 7 40.8 A
Wind:
Speed (km/h)12.4 12 12.6 14.4 15.2 13.8 11.9 11.4 12.7 13.3 12.1 12.2 12.8 A
Most Frequent DirectionS S S S SE NW SE S S S S S S A
Maximum Hourly Speed (km/h)76 80 71 80 89 103 72 72 87 79 80 72    
Date (yyyy/dd)1959/02 1962/22 1975/30 1966/01 1965/17 1965/02 1964/21 1958/03 1958/21 1959/14 1961/02 1958/31  
Direction of Maximum Hourly SpeedNW NW NW W W W W W NW NW NW NW W  
Maximum Gust Speed (km/h)121 137 108 116 121 137 113 105 109 114 137 122    
Date (yyyy/dd)1962/05 1959/02 1975/30 1959/06 1965/16 1969/05 1957/21 1958/03 1958/21 1976/13 1976/17 1958/31  
Direction of Maximum GustNW NW NW NW SW W W W NW NW NW NW NW  
Days with Winds >= 52 km/h0.7 0.3 0.4 0.7 0.8 1.2 0.5 0.6 0.4 0.7 0.6 0.6 7.5 A
Days with Winds >= 63 km/h0.2 0.2 0.1 0.2 0.1 0.3 0.4 0.2 0.1 0.2 0.3 0.1 2.5 A
Degree Days:
Above 24 °C0 0 0 0 0 0 0 0 0 0 0 0 0 A
Above 18 °C0 0 0 0 0.9 3.4 10.1 10.2 0.4 0 0 0 25.1 A
Above 15 °C0 0 0 0.3 6 20.9 45.2 43.2 4.8 0.4 0 0 120.8 A
Above 10 °C0 0 0 6.6 47 115.1 173 157.4 49.1 7.4 0.3 0 555.7 A
Above 5 °C0 0.2 1.9 44.3 156.4 260.5 327.3 308.7 155.7 48.1 2.9 0.2 1306.1 A
Above 0 °C2.4 5.3 28.2 144.1 305.5 410.4 482.3 463.6 297.3 148.5 20.8 4.1 2312.3 A
Below 0 °C407.1 287.3 147.7 19 0.4 0 0 0 0.7 21.9 183.2 341.1 1408.3 A
Below 5 °C559.7 423.5 276.5 69.2 6.2 0 0 0.1 9 76.5 315.4 492.2 2228.4 A
Below 10 °C714.7 564.7 429.6 181.5 51.8 4.7 0.6 3.9 52.5 190.7 462.7 647 3304.3 A
Below 15 °C869.7 706 584.6 325.2 165.8 60.5 27.8 44.6 158.2 338.8 612.4 802 4695.7 A
Below 18 °C962.7 790.8 677.6 414.9 253.8 132.9 85.8 104.7 243.8 431.4 702.4 895 5695.8 A
Humidex:
Extreme Humidex10.5 17.3 18.6 28.2 37 35 38.5 36.4 32.4 27.8 21.7 14.8    
Date (yyyy/dd)1987/11 1988/26 1986/27 1977/26 1986/28 1953/12 1960/30 1953/07 1955/02 1980/03 1975/04 1997/14  
Days with Humidex >= 300 0 0 0 0.2 0.4 3.3 3.4 0.4 0 0 0 7.6 A
Days with Humidex >= 350 0 0 0 0 0 0.4 0.2 0 0 0 0 0.6 A
Days with Humidex >= 400 0 0 0 0 0 0 0 0 0 0 0 0 A
Wind Chill:
Extreme Wind Chill-60.1 -54.4 -49.8 -39.3 -20.9 -7.3 -2.8 -5.3 -13.5 -37.9 -48.6 -57.4    
Date (yyyy/dd)1972/26 1978/01 1972/01 1954/02 1954/01 1969/13 1999/15 1980/25 1974/30 1991/27 1985/26 1964/15  
Days with Wind Chill < -2021.1 15.2 7.6 0.8 0 0 0 0 0 0.8 8.2 17.5 71.2 A
Days with Wind Chill < -3010.7 6.4 2.3 0 0 0 0 0 0 0.2 2.2 7.7 29.6 A
Days with Wind Chill < -403.8 1.5 0.4 0 0 0 0 0 0 0 0.2 2.3 8.2 A
Humidity:
Average Vapour Pressure (kPa)0.2 0.3 0.4 0.5 0.7 1 1.2 1.2 0.8 0.5 0.3 0.2 0.6 A
Average Relative Humidity - 0600LST (%)73 75.9 79.9 78.2 76.1 80.6 86.2 87.9 84.9 79.6 79.3 74.7 79.7 A
Average Relative Humidity - 1500LST (%)66.4 63.9 61.1 45.2 43.7 49.9 52.5 51 49.2 47.6 64.2 66.9 55.2 A
Pressure:
Average Station Pressure (kPa)90.8 90.8 90.8 90.9 90.8 90.9 91.1 91.1 91.1 90.9 90.7 90.8 90.9 A
Average Sea Level Pressure (kPa)101.9 101.9 101.6 101.6 101.4 101.3 101.6 101.6 101.7 101.6 101.6 101.8 101.6 A
Visibility (hours with):
< 1 km8.6 10.8 12.6 5.6 2.9 1.9 3.2 6.6 3.5 6.3 12.6 8 82.6 C
1 to 9 km89.4 80.2 85.8 36.9 19.8 13.6 11.5 21.4 23.2 30.8 82.9 72.4 567.9 C
> 9 km646 586.5 645.7 677.6 721.3 704.5 729.3 716 693.2 707 624.6 663.5 8115.1 C
Cloud Amount (hours with):
0 to 2 tenths186.9 157.3 181.1 167.4 142.2 126.2 182.1 201.4 202.7 205.7 173.4 186.3 2112.5 C
3 to 7 tenths148 144.5 163.9 186.2 206.5 228.9 243.3 220 172.5 185.9 149.5 153.5 2202.6 C
8 to 10 tenths409.2 375.7 399 366.4 395.4 365 318.6 322.6 344.8 352.4 397.2 404.2 4450.4 C


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Date Modified: 2013-02-04

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