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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.

HALIFAX STANFIELD INT'L A *
NOVA SCOTIA
Latitude: 44°52'48.060" N Longitude: 63°30'00.050" W Elevation: 145.40 m
Climate ID: 8202250 WMO ID: 71395 TC ID: YHZ
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)-6 -5.6 -1.4 4 9.8 15 18.6 18.4 14.1 8.3 3.1 -2.8 6.3 A
Standard Deviation1.7 2 1.6 1.2 1.3 1.1 1.1 0.9 1.2 1.2 1.4 2.2 0.7 A
Daily Maximum (°C)-1.2 -1.1 3 8.4 15 20.3 23.6 23.3 18.8 12.7 6.9 1.4 11 A
Daily Minimum (°C)-10.7 -10.2 -5.8 -0.5 4.5 9.6 13.5 13.5 9.3 3.8 -0.7 -7.1 1.6 A
Extreme Maximum (°C)14.8 17.5 25.6 26.3 32.8 33.4 33.9 35 32.8 25.8 19.4 15    
Date (yyyy/dd)1999/25 1994/20 1998/31 2004/30 1977/23 2001/27 1963/26 1995/01 2002/10 1990/07 1961/05 1953/06  
Extreme Minimum (°C)-28.5 -27.3 -22.4 -12.8 -4.4 0.6 6.1 4.4 -0.8 -6.7 -13.1 -23.3    
Date (yyyy/dd)1993/31 1993/07 1989/07 1995/05 1966/08 1975/10 1970/02 1965/30 1989/28 1974/22 1978/27 1980/25  
Precipitation:
Rainfall (mm)100.6 69 96.4 96.1 106.2 98.3 102.2 92.7 103.6 126.4 133 114.5 1238.9 A
Snowfall (cm)54.6 50.1 41.1 20.9 3.3 0 0 0 0 2.3 14.4 43.9 230.5 A
Precipitation (mm)149.2 114.4 134.5 118.3 109.7 98.3 102.2 92.7 103.6 128.7 146 154.8 1452.2 A
Average Snow Depth (cm)11 13 8 1 0 0 0 0 0 0 1 4 3 A
Median Snow Depth (cm)9 12 6 0 0 0 0 0 0 0 0 2 2 A
Snow Depth at Month-end (cm)10 13 2 0 0 0 0 0 0 0 1 10 3 A
Extreme Daily Rainfall (mm)94.1 84.9 89.2 76.7 79.5 64 71.1 218.2 84.3 66.8 87.8 98.8    
Date (yyyy/dd)1978/14 1996/17 1972/23 1962/08 2005/22 1972/10 1981/21 1971/15 2002/11 1967/10 2004/25 1975/10  
Extreme Daily Snowfall (cm)43.7 66 28.6 28.4 26.9 0 0 0 0 38.6 28.2 47.5    
Date (yyyy/dd)1961/04 2004/19 1984/09 1963/11 1972/10 1953/01 1953/01 1953/01 1953/01 1974/20 1986/19 1970/24  
Extreme Daily Precipitation (mm)100.1 84.9 90.2 76.7 79.5 64 71.1 218.2 84.3 66.8 87.8 98.8    
Date (yyyy/dd)1978/14 1996/17 1972/23 1962/08 2005/22 1972/10 1981/21 1971/15 2002/11 1967/10 2004/25 1975/10  
Extreme Snow Depth (cm)94 81 53 38 18 0 0 0 0 25 33 71    
Date (yyyy/dd)1971/24 2004/23 1967/25 1972/10 1972/11 1961/01 1960/01 1960/01 1960/01 1974/21 2004/15 1970/27  
Days with Maximum Temperature:
<= 0 °C17.4 16 8.7 0.50 0.03 0 0 0 0 0.03 2.5 11.9 57.1 A
> 0 °C13.6 12.3 22.3 29.5 31 30 31 31 30 31 27.5 19.1 308.2 A
> 10 °C1.2 0.63 2.2 10.5 25.7 29.6 31 31 29.8 22.3 8.6 2.9 195.5 A
> 20 °C0 0 0 0.40 5 16.4 25.9 25.5 10.8 1.3 0 0 85.3 A
> 30 °C0 0 0 0 0.20 0.50 0.76 0.70 0.07 0 0 0 2.2 A
> 35 °C0 0 0 0 0 0 0 0 0 0 0 0 0 A
Days with Minimum Temperature:
> 0 °C1.5 1.3 2.9 11.9 28.2 30 31 31 29.9 25.5 11.5 3.4 208 A
<= 2 °C30.5 27.8 30 24.5 7.8 0.20 0 0 0.37 11.7 22.7 29.3 185 A
<= 0 °C29.5 27 28.1 18.1 2.8 0 0 0 0.07 5.5 18.5 27.6 157.3 A
< -2 °C27.4 25.3 23 8.5 0.50 0 0 0 0 1.4 12.3 23.9 122.2 A
< -10 °C16.5 14.5 6.5 0.03 0 0 0 0 0 0 0.68 9.9 48.1 A
< -20 °C1.8 1.4 0.10 0 0 0 0 0 0 0 0 0.43 3.7 A
< - 30 °C0 0 0 0 0 0 0 0 0 0 0 0 0 A
Days with Rainfall:
>= 0.2 mm8.8 6.4 9.3 11.7 13.7 12.9 12.1 10.4 10.9 12.3 12.8 10.5 131.9 A
>= 5 mm4.9 3.1 4.7 5.6 6.2 5.5 5 4.5 5.1 6.2 6.7 5.3 62.7 A
>= 10 mm3.4 2.3 3.2 3.3 3.3 3.2 3.4 2.8 3.4 3.9 4.6 3.6 40.6 A
>= 25 mm1.3 0.90 1.2 0.77 0.83 0.90 0.97 0.83 1.4 1.5 1.4 1.3 13.3 A
Days With Snowfall:
>= 0.2 cm14.3 12 10 6.2 0.73 0 0 0 0 0.40 4.2 12.4 60.2 A
>= 5 cm3.6 2.9 3.1 1.4 0.23 0 0 0 0 0.10 0.83 2.6 14.8 A
>= 10 cm1.4 1.4 1.4 0.37 0.10 0 0 0 0 0.07 0.38 1.1 6.2 A
>= 25 cm0.10 0.27 0.10 0.07 0.03 0 0 0 0 0.03 0.03 0.13 0.76 A
Days with Precipitation:
>= 0.2 mm19 15.2 15.7 14.9 14 12.9 12.1 10.4 10.9 12.4 15.4 18.3 171.2 A
>= 5 mm7.8 5.5 7.1 7 6.4 5.5 5 4.5 5.1 6.3 7.3 7.8 75 A
>= 10 mm4.9 3.9 4.7 4.1 3.4 3.2 3.4 2.8 3.4 4.1 5 4.9 47.7 A
>= 25 mm1.6 1.3 1.4 0.93 0.97 0.90 0.97 0.83 1.4 1.6 1.5 1.6 15 A
Days with Snow Depth:
>= 1 cm22.1 22.1 19.2 5.5 0.37 0 0 0 0 0.27 3.6 14.2 87.3 A
>= 5 cm16.4 17.7 13.7 3 0.27 0 0 0 0 0.23 1.9 9.2 62.4 A
>= 10 cm11.2 12.7 9.4 1.3 0.13 0 0 0 0 0.17 1.2 4.5 40.6 A
>= 20 cm5.6 7.8 4.6 0.28 0 0 0 0 0 0.07 0.34 1.7 20.3 A
Wind:
Speed (km/h)18.6 18.4 19 18.6 16.7 15.6 14.5 13.5 14.6 16.1 17.6 18.4 16.8 A
Most Frequent DirectionW W W S S S S S S S NW W S A
Maximum Hourly Speed (km/h)80 89 77 71 64 64 79 56 85 68 74 85    
Date (yyyy/dd)1973/29 1969/10 1976/17 1975/04 1961/26 1973/17 1975/28 1982/26 2003/29 1972/07 2005/22 1976/27  
Direction of Maximum Hourly SpeedS E S E S N SE NW S SE SE E E  
Maximum Gust Speed (km/h)117 127 126 115 92 97 130 89 93 109 111 132    
Date (yyyy/dd)1978/09 1976/02 1976/17 1982/04 1961/28 1973/17 1975/28 1982/26 1979/07 1972/07 1978/18 1976/26  
Direction of Maximum GustSE SW SW SE SE N SE NW S SE S SE SE  
Days with Winds >= 52 km/h2.9 1.7 1.9 1.2 0.3 0.2 0.2 0.1 0.4 0.6 1.6 2.2 13.4 A
Days with Winds >= 63 km/h0.8 0.3 0.4 0.2 0 0 0.1 0 0 0.2 0.2 0.6 2.9 A
Degree Days:
Above 24 °C0 0 0 0 0 0.2 0.4 0.4 0 0 0 0 1 A
Above 18 °C0 0 0 0 0.7 11.4 42.7 42.4 6.5 0.1 0 0 103.8 A
Above 15 °C0 0 0 0.1 4.7 42.3 114.9 111 28.6 1.9 0.1 0 303.6 A
Above 10 °C0.1 0 0.1 3.1 42.3 152.9 265.7 261.4 127.6 27.1 3.6 0.1 883.8 A
Above 5 °C1.6 1.3 3.9 29.4 152.1 299.5 420.7 416.4 272.3 112.9 31.1 5.2 1746.3 A
Above 0 °C15.8 13.2 38.4 124.3 302.7 449.4 575.7 571.4 422.3 257.3 110.2 33.1 2913.9 A
Below 0 °C200.6 172.4 84.4 5.4 0.1 0 0 0 0 0.3 18.9 120.4 602.5 A
Below 5 °C341.5 301.8 204.9 60.5 4.4 0.1 0 0 0 10.9 89.8 247.5 1261.3 A
Below 10 °C494.9 441.9 356.1 184.3 49.6 3.5 0 0 5.2 80 212.3 397.3 2225.1 A
Below 15 °C649.9 583.2 511 331.2 167 42.9 4.2 4.6 56.2 209.9 358.8 552.3 3471.2 A
Below 18 °C742.9 668 604 421.1 256 102 25 29 124.1 301 448.7 645.3 4367.2 A
Humidex:
Extreme Humidex18.4 18.3 27.7 26.2 36 40.2 42.4 41.9 39.6 30.5 25.4 18    
Date (yyyy/dd)1999/25 1976/02 1998/31 2004/30 1977/23 2005/25 1977/21 1988/05 1961/11 2002/02 1982/05 1972/07  
Days with Humidex >= 300 0 0 0 0.3 2.6 8.8 8.6 1.4 0 0 0 21.8 A
Days with Humidex >= 350 0 0 0 0.1 0.5 1.3 1.4 0.1 0 0 0 3.3 A
Days with Humidex >= 400 0 0 0 0 0 0 0.2 0 0 0 0 0.2 A
Wind Chill:
Extreme Wind Chill-40.4 -41.1 -33.9 -24.4 -10.9 -5.6 3.7 0.7 -3.6 -10.1 -23.9 -35.6    
Date (yyyy/dd)1982/18 1967/13 1989/07 1995/05 1972/11 1973/17 1965/08 1965/30 1980/29 1969/24 1978/27 1980/25  
Days with Wind Chill < -2011.5 9.2 3.5 0 0 0 0 0 0 0 0.2 5.4 29.8 A
Days with Wind Chill < -301.7 1 0.1 0 0 0 0 0 0 0 0 0.5 3.3 A
Days with Wind Chill < -400 0 0 0 0 0 0 0 0 0 0 0 0 A
Humidity:
Average Vapour Pressure (kPa)0.4 0.4 0.5 0.6 0.9 1.3 1.6 1.6 1.3 0.9 0.7 0.5 0.9 A
Average Relative Humidity - 0600LST (%)83.2 82.1 83.8 86.5 87.5 88.1 89.6 90.7 91.2 89 86.8 84.5 86.9 A
Average Relative Humidity - 1500LST (%)74 69 67 64.2 62.3 61.8 62.6 62.8 64.6 66.9 73 75.9 67 A
Pressure:
Average Station Pressure (kPa)99.5 99.5 99.5 99.5 99.7 99.7 99.7 99.9 99.9 99.9 99.7 99.6 99.7 A
Average Sea Level Pressure (kPa)101.3 101.3 101.3 101.2 101.5 101.4 101.4 101.6 101.6 101.7 101.5 101.4 101.4 A
Visibility (hours with):
< 1 km41.3 37.3 55 57.8 77.9 69.7 76.6 60.7 30.3 30.1 33.5 34.7 604.8 B
1 to 9 km159.6 129 146.6 145.7 117.9 117.3 133.4 139 114 110.5 127.5 150.5 1590.9 B
> 9 km543.1 511.7 542.4 516.5 548.2 533 534 544.3 575.7 603.4 559 558.9 6570.2 B
Cloud Amount (hours with):
0 to 2 tenths156.3 154.8 172 128.2 126 118.9 122.2 158.5 185.6 182.3 123 141 1768.8 B
3 to 7 tenths150.4 132.6 126.5 123.9 157.2 185.8 212.3 202.5 172.9 163.7 139.7 139.9 1907.3 B
8 to 10 tenths437.3 390.5 445.6 468 460.8 415.3 409.5 383 361.5 398 457.3 463.1 5089.9 B


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Date Modified: 2013-02-04

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