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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.

PRINCE RUPERT A *
BRITISH COLUMBIA
Latitude: 54°17'33.000" N Longitude: 130°26'41.000" W Elevation: 35.40 m
Climate ID: 1066481 WMO ID: TC ID:

* This station meets WMO standards for temperature and precipitation.

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)1.3 2.5 3.9 6 8.7 11.1 13.1 13.5 11.3 7.9 4.1 2.2 7.1 A
Standard Deviation2.7 2.2 1.3 1 1 0.8 0.7 0.8 0.8 1 2.3 2.2 0.7 A
Daily Maximum (°C)4.6 5.9 7.4 9.9 12.3 14.2 16.1 16.7 14.9 11.1 7.1 5.1 10.5 A
Daily Minimum (°C)-2.1 -1 0.3 2.1 5 8 10.1 10.3 7.6 4.7 0.9 -0.8 3.8 A
Extreme Maximum (°C)17.6 18.9 18.5 23.3 27.9 27.4 27.8 28.7 27 21.7 18.9 18.9    
Date (yyyy/dd)1986/13 1992/27 1994/28 1976/28 1993/13 1991/20 1976/30 1977/14 1989/08 1987/01 1962/02 1962/12  
Extreme Minimum (°C)-24.4 -18.1 -17.2 -7.1 -2.2 1.1 2.8 2.8 -2.2 -11.3 -20.6 -22.8    
Date (yyyy/dd)1965/04 1986/18 1976/02 1990/07 1996/08 1963/07 1972/01 1969/23 1972/26 1984/31 1985/26 1968/28  
Precipitation:
Rainfall (mm)217.7 179 174.4 173.3 139.5 123.7 114.3 155.4 244 378.9 293.7 274.7 2468.5 A
Snowfall (cm)40.9 26.1 17.1 5.1 0.1 0 0 0 0 0.3 9.6 27.1 126.3 A
Precipitation (mm)256.9 203.9 191.6 178.7 139.5 123.7 114.3 155.4 244 379.2 304.4 302 2593.6 A
Average Snow Depth (cm)4 3 1 0 0 0 0 0 0 0 0 2 1 A
Median Snow Depth (cm)2 1 0 0 0 0 0 0 0 0 0 1 0 A
Snow Depth at Month-end (cm)4 2 0 0 0 0 0 0 0 0 0 2 1 A
Extreme Daily Rainfall (mm)84 100.6 53.2 98.6 56.8 64.2 67.2 87.6 118.2 107.8 73.6 93.2    
Date (yyyy/dd)1982/08 1997/15 1981/27 1972/26 1979/25 1987/11 1988/23 1967/10 1983/25 1986/05 1993/19 1990/07  
Extreme Daily Snowfall (cm)39.9 25.6 22 10.4 1.5 0 0 0 0.2 4 19.8 30    
Date (yyyy/dd)1973/20 1982/16 1995/07 1972/05 1964/12 1962/08 1962/01 1962/01 1994/06 1984/29 1977/17 2000/15  
Extreme Daily Precipitation (mm)84 100.6 53.2 98.6 56.8 64.2 67.2 87.6 118.2 107.8 73.6 93.2    
Date (yyyy/dd)1982/08 1997/15 1981/27 1972/26 1979/25 1987/11 1988/23 1967/10 1983/25 1986/05 1993/19 1990/07  
Extreme Snow Depth (cm)76 66 41 10 8 0 0 0 0 70 23 43    
Date (yyyy/dd)1965/09 1969/05 1972/08 1972/06 1986/01 1962/01 1962/01 1962/01 1962/01 1994/20 1970/29 1964/14  
Days with Maximum Temperature:
<= 0 °C4 1.6 0.20 0 0 0 0 0 0 0.07 1.1 2.6 9.5 A
> 0 °C27 26.7 30.8 30 31 30 31 31 30 30.9 28.9 28.4 355.8 A
> 10 °C1.9 2.8 4.6 12.6 25.1 29.7 31 31 29.6 20.7 4.5 1.5 194.9 A
> 20 °C0 0 0 0.40 0.67 0.47 1.4 2.1 0.68 0.07 0 0 5.8 A
> 30 °C0 0 0 0 0 0 0 0 0 0 0 0 0 A
> 35 °C0 0 0 0 0 0 0 0 0 0 0 0 0 A
Days with Minimum Temperature:
> 0 °C12.8 12.9 16.6 22.3 29.5 30 31 31 29.4 26.8 19 15.1 276.3 A
<= 2 °C22.8 20 19.9 14.9 5.1 0.10 0 0 1.8 7.2 16.2 21.1 129.2 A
<= 0 °C18.2 15.4 14.2 7.7 1.5 0 0 0 0.32 4.2 10.9 15.9 88.4 A
< -2 °C12.1 10.1 7.9 2.1 0.03 0 0 0 0.04 1.2 6 9.6 49 A
< -10 °C4.1 2 0.13 0 0 0 0 0 0 0.07 0.96 2 9.2 A
< -20 °C0.10 0 0 0 0 0 0 0 0 0 0.04 0 0.14 A
< - 30 °C0 0 0 0 0 0 0 0 0 0 0 0 0 A
Days with Rainfall:
>= 0.2 mm17 16 20 19.3 18.5 17.8 16.8 16.9 18.7 24.2 22.5 20.4 228.2 A
>= 5 mm11.3 10.1 11.3 10.3 9 8.1 7.6 8.5 11.1 17.9 15.4 14.1 134.7 A
>= 10 mm7.7 6.4 6.7 5.5 5.1 4.2 4.3 5.7 8 13 10.4 9.9 87.1 A
>= 25 mm2.5 1.6 0.97 1.3 0.72 0.69 0.52 1.3 3.1 4.7 3 3 23.5 A
Days With Snowfall:
>= 0.2 cm7.3 5.2 4.6 1.8 0.07 0 0 0 0.04 0.24 2.9 5.5 27.6 A
>= 5 cm2.8 1.9 1.2 0.40 0 0 0 0 0 0 0.64 1.8 8.7 A
>= 10 cm1.2 0.97 0.40 0.03 0 0 0 0 0 0 0.21 0.79 3.6 A
>= 25 cm0.13 0.07 0 0 0 0 0 0 0 0 0 0.04 0.24 A
Days with Precipitation:
>= 0.2 mm20.8 18.7 21.7 19.7 18.5 17.9 16.8 16.9 18.7 24.3 23.1 22.6 239.7 A
>= 5 mm13.8 11.9 12.5 10.8 9 8.1 7.6 8.5 11.1 17.9 16 15.6 142.7 A
>= 10 mm9 7.4 7.4 5.8 5.1 4.2 4.3 5.7 8 13.1 10.9 11 91.9 A
>= 25 mm2.7 1.7 1.1 1.3 0.72 0.69 0.52 1.3 3.1 4.7 3.1 3.2 24.2 A
Days with Snow Depth:
>= 1 cm10.2 7 2.9 0.37 0.07 0 0 0 0 0.14 1.8 5.2 27.6 A
>= 5 cm7.5 4.6 1.8 0.17 0.07 0 0 0 0 0.03 0.61 3.5 18.2 A
>= 10 cm5.3 2.7 1 0.10 0 0 0 0 0 0.03 0.39 2.8 12.3 A
>= 20 cm2.1 0.79 0.52 0 0 0 0 0 0 0.03 0 1.1 4.5 A
Wind:
Speed (km/h)14.3 14.7 14.5 14.5 12.9 11.3 9.6 9.6 10.8 14.5 14.7 15 13.1 A
Most Frequent DirectionSE SE SE SE SE W W SE SE SE SE SE SE A
Maximum Hourly Speed (km/h)89 74 70 74 64 55 64 54 74 93 89 87    
Date (yyyy/dd)1986/13 1976/22 1977/11 1970/05 1971/10 1967/27 1970/06 1999/28 1988/28 1964/18 1968/28 1981/18  
Direction of Maximum Hourly SpeedSE S SE S SE SE SE S S SE SE SE SE  
Maximum Gust Speed (km/h)115 113 113 109 96 76 64 70 96 135 137 133    
Date (yyyy/dd)1986/13 1972/19 1971/01 1968/29 1987/03 1984/27 1970/06 1991/08 1988/28 1964/18 1968/28 1981/18  
Direction of Maximum GustSE S SE S SE SE SE SE S SE SE SE SE  
Days with Winds >= 52 km/h2.5 2.1 1.3 0.9 0.5 0 0 0.1 0.3 1.8 2.4 2.5 14.4 C
Days with Winds >= 63 km/h0.6 0.7 0.3 0.2 0.2 0 0 0 0 0.4 0.6 0.7 3.8 C
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 0 0.1 0.1 0 0 0 0 0.3 A
Above 15 °C0 0 0 0 0.3 0.3 2.7 4.7 0.9 0 0 0 8.8 A
Above 10 °C0.2 0.4 0.1 1.6 11.4 40.6 97.7 108.7 49.1 10.4 0.7 0.1 320.9 A
Above 5 °C13.2 13.5 17.4 43.4 114.4 183.4 252.5 263.5 187.1 98.2 26.4 13.4 1226.3 A
Above 0 °C85.2 90.3 123.4 180.5 268.9 333.4 407.5 418.5 337.1 246.7 133 96.3 2720.8 A
Below 0 °C45.6 21 3.7 0 0 0 0 0 0 0.7 13.8 27.4 112.2 A
Below 5 °C128.6 85.6 52.7 12.8 0.5 0 0 0 0.1 7.2 57.1 99.6 444.1 A
Below 10 °C270.6 213.9 190.4 121 52.5 7.2 0.3 0.1 12 74.4 181.5 241.2 1365.1 A
Below 15 °C425.4 354.9 345.3 269.5 196.4 116.9 60.2 51.1 113.8 219 330.8 396.1 2879.4 A
Below 18 °C518.4 439.7 438.3 359.5 289.1 206.6 150.7 139.6 203 312 420.8 489.1 3966.7 A
Bright Sunshine:
Total Hours43.7 64.8 99.6 139.5 173.5 147.6 146.7 151 113 71 46.6 32.1 1229.1 C
Days with measureable15.6 17.3 21.5 24 25.5 23.7 25 24.6 23.1 20.1 16.6 13.2 250.3 C
% of possible daylight hours17.7 23.6 27.2 33.1 35 28.8 28.5 32.7 29.5 21.7 18.2 13.9 25.8 C
Extreme Daily7.8 9.6 11.5 14.3 15.2 16 15.7 14.6 11.9 9.5 8.6 7.2   A
Date (yyyy/dd)1988/30 1989/28 1983/21 1984/26 1985/31 1986/03 1972/03 1980/11 1993/02 1990/04 1973/03 1985/01  
Humidex:
Extreme Humidex17.2 18.6 17.9 22.8 29.3 27.8 29.1 31.6 28.5 23.4 19.3 16.1    
Date (yyyy/dd)1986/13 1992/26 1994/28 1976/28 1983/29 1991/20 1976/30 1977/14 1988/03 1969/07 1962/02 1962/12  
Days with Humidex >= 300 0 0 0 0 0 0 0.1 0 0 0 0 0.1 A
Days with Humidex >= 350 0 0 0 0 0 0 0 0 0 0 0 0 A
Days with Humidex >= 400 0 0 0 0 0 0 0 0 0 0 0 0 A
Wind Chill:
Extreme Wind Chill-34.2 -25.4 -22.9 -11.5 -5.4 -1.3 1.3 0 -6 -16.8 -27.8 -31    
Date (yyyy/dd)1965/04 1989/01 1976/02 1966/12 1962/05 1974/04 1978/02 1973/31 1972/26 1984/31 1985/26 1968/28  
Days with Wind Chill < -201.5 0.5 0 0 0 0 0 0 0 0 0.2 0.6 2.8 A
Days with Wind Chill < -300.1 0 0 0 0 0 0 0 0 0 0 0 0.1 A
Days with Wind Chill < -400 0 0 0 0 0 0 0 0 0 0 0 0 A
Humidity:
Average Vapour Pressure (kPa)0.6 0.6 0.7 0.7 0.9 1.1 1.3 1.4 1.2 0.9 0.7 0.6 0.9 A
Average Relative Humidity - 0600LST (%)85.5 82.7 85.6 87.6 89.8 91.4 93.6 94.6 92.8 89.2 85.6 84.6 88.6 A
Average Relative Humidity - 1500LST (%)77.8 71.4 69.4 68.3 71 75.8 77.8 78.9 77.1 77.7 77.5 80.6 75.3 A
Pressure:
Average Station Pressure (kPa)100.7 100.6 100.7 101 101.1 101.2 101.4 101.3 101.1 100.8 100.5 100.7 100.9 A
Average Sea Level Pressure (kPa)101.1 101 101.1 101.4 101.5 101.6 101.8 101.7 101.5 101.2 100.9 101.1 101.3 A
Visibility (hours with):
< 1 km11.2 8.3 6.2 5.7 2.7 7.3 23.9 36.4 33.1 11.8 2.7 7 156.2 C
1 to 9 km98.2 72.9 70 50 45.9 59.8 87 101.1 89.1 81 67.1 101.7 923.8 C
> 9 km634.7 597.7 667.8 664.3 695.5 653 633 606.5 597.8 651.2 650.2 635.3 7686.9 C
Cloud Amount (hours with):
0 to 2 tenths114.7 118.3 101.8 92.1 89.8 58.4 74.3 95.2 121.2 83.1 92.5 95.2 1136.6 C
3 to 7 tenths97 96.8 134.5 140.6 144 133.4 126.5 136.7 132.8 124.5 106.3 110.9 1483.8 C
8 to 10 tenths532.3 463 507.7 487.3 510.2 528.2 543.2 512.1 466.1 536.5 521.2 537.9 6145.7 C


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Date Modified: 2013-02-04

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