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Home  »  Climate Normals & Averages 1971-2000  »  Station Results

Notices:

As of November 19 2009, changes have been made to how Wind Chill and Humidex values are calculated. Please click here for further details. A detailed outline of these calculations can be found in the Glossary.

The Notice Inventory contains a record of all past and current Notices.

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.

GRANDE PRAIRIE A *
ALBERTA
Latitude:55° 10.800' NLongitude:118° 53.400' WElevation:669.00 m
Climate ID:3072920WMO ID:71940TC ID:YQU

* 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) -15 -11.5 -4.9 4.1 10.3 14.1 15.9 14.9 10.1 4 -6.6 -12.6 1.9 A
Standard Deviation 5.2 5 3.6 2.2 1.6 1 1 1.6 1.8 1.7 4.1 5.1 1.2 A
Daily Maximum (°C) -9.5 -5.8 0.6 10.1 16.9 20.2 22.1 21.4 16.4 9.6 -1.8 -7.2 7.7 A
Daily Minimum (°C) -20.5 -17.1 -10.4 -2 3.7 8 9.6 8.3 3.7 -1.7 -11.4 -17.9 -4 A
Extreme Maximum (°C) 12.6 11.8 16.1 29.2 31.3 33.3 33.3 34.5 31.1 28.9 22.2 13.3
Date (yyyy/dd) 1993/30 1992/27 1966/29 1977/25 1985/17 1970/03 1944/19 1981/09 1944/12 1943/02 1949/02 1943/10
Extreme Minimum (°C) -52.2 -48.3 -42.8 -35.6 -8.1 -2.2 0.6 -2.8 -10.6 -31.7 -40.6 -47.2
Date (yyyy/dd) 1950/02 1947/01 1951/07+ 1954/02 1986/01 1951/01 1949/02+ 1947/20+ 1972/23 1951/25 1963/20 1990/20
Precipitation:
Rainfall (mm) 1.8 1 1 9.6 35.2 76.5 70.4 61.1 40.1 15.1 5.4 0.7 317.7 A
Snowfall (cm) 36.4 22.5 18.6 8.7 2 0 0 0.7 2.8 9.4 25.5 32 158.6 A
Precipitation (mm) 30.7 18.5 15.5 17.3 36.9 76.5 70.4 61.8 42.6 23.8 26.2 26.4 446.6 A
Average Snow Depth (cm) 28 31 23 6 0 0 0 0 0 0 6 17 9 A
Median Snow Depth (cm) 28 30 22 5 0 0 0 0 0 0 6 17 9 A
Snow Depth at Month-end (cm) 32 28 16 0 0 0 0 0 0 1 10 21 9 A
Extreme Daily Rainfall (mm) 5.8 4.6 10.9 17.3 32.7 77.5 66.8 90 39.1 38.9 17 7.6
Date (yyyy/dd) 1977/17 1963/26 1944/16 1962/28 1984/16 1965/27 1982/14 1994/05 1991/01 1943/04 1957/22 1950/24
Extreme Daily Snowfall (cm) 22.6 21.3 22.1 15.7 17.5 0 0 19.3 12.7 36.3 21.3 23.4
Date (yyyy/dd) 1982/09 1972/18 1966/16 1966/09 1960/21 1942/01+ 1942/01+ 1973/17 1974/06 1957/04 1965/22 1947/13
Extreme Daily Precipitation (mm) 16.8 15.2 18 19 32.7 77.5 66.8 90 39.1 38.9 23.6 23.4
Date (yyyy/dd) 1945/05 1948/14 1966/16 1986/29 1984/16 1965/27 1982/14 1994/05 1991/01 1943/04 1957/22 1947/13
Extreme Snow Depth (cm) 84 86 84 69 9 2 0 0 5 56 52 63
Date (yyyy/dd) 1982/30+ 1982/01 1974/17+ 1974/02+ 1986/01 1990/23 1955/01+ 1955/01+ 1971/29 1957/06 1990/30 1990/23
Days with Maximum Temperature:
<= 0 °C 24.1 18.4 11.8 1.7 0.03 0 0 0 0.17 2.2 15.5 22.2 96.1 A
> 0 °C 6.9 9.9 19.2 28.3 31 30 31 31 29.8 28.8 14.5 8.8 269.2 A
> 10 °C 0.07 0.17 1.5 15.3 28 29.8 31 30.6 26 14.8 1.1 0.13 178.4 A
> 20 °C 0 0 0 1.3 8.5 15.4 21.3 18.6 7.9 1.6 0 0 74.6 A
> 30 °C 0 0 0 0 0.07 0.17 0.7 1.3 0.1 0 0 0 2.3 A
> 35 °C 0 0 0 0 0 0 0 0 0 0 0 0 0 A
Days with Minimum Temperature:
> 0 °C 0.27 0.47 1.2 9.8 26.3 30 31 30.7 25.3 10.6 0.9 0.7 167.3 A
<= 2 °C 30.9 28.1 30.8 25.6 10.8 0.67 0.1 1 9.4 24.5 29.7 30.6 222.2 A
<= 0 °C 30.7 27.8 29.8 20.2 4.7 0.03 0 0.3 4.7 20.4 29.1 30.3 198 A
< -2 °C 30.2 27.1 26.6 12.2 1.3 0 0 0.1 2.1 14.1 27 29.5 170.1 A
< -10 °C 25.6 21 14.1 1.9 0 0 0 0 0.03 1.4 15.1 23.9 103 A
< -20 °C 15.4 10.4 3.9 0.2 0 0 0 0 0 0.3 4.5 12.5 47.2 A
< - 30 °C 5.7 2.8 0.43 0 0 0 0 0 0 0.03 0.57 3.7 13.2 A
Days with Rainfall:
>= 0.2 mm 1.2 0.93 1.1 4.3 9.5 12.8 13.2 12.4 11 7.2 2.7 0.87 77.2 A
>= 5 mm 0.1 0 0 0.6 2.4 4.8 4.5 3.1 2.6 0.79 0.28 0 19.1 A
>= 10 mm 0 0 0 0.07 0.77 2.1 2.1 1.5 0.97 0.14 0.07 0 7.7 A
>= 25 mm 0 0 0 0 0.17 0.6 0.27 0.37 0.1 0 0 0 1.5 A
Days With Snowfall:
>= 0.2 cm 11.6 8.8 8.2 3.4 0.63 0 0 0.07 1 4 9.2 10.3 57.3 A
>= 5 cm 2.4 1.2 0.9 0.63 0.2 0 0 0.03 0.17 0.45 1.7 2 9.6 A
>= 10 cm 0.63 0.23 0.13 0.13 0.03 0 0 0.03 0.03 0.03 0.34 0.6 2.2 A
>= 25 cm 0 0 0 0 0 0 0 0 0 0 0 0 0 A
Days with Precipitation:
>= 0.2 mm 12.1 9.2 8.7 6.9 9.8 12.8 13.1 12.4 11.5 10.1 11.1 10.6 128.2 A
>= 5 mm 1.8 0.87 0.57 1.2 2.5 4.8 4.4 3.1 2.9 1.4 1.6 1.4 26.5 A
>= 10 mm 0.43 0.13 0.07 0.23 0.8 2.1 2.1 1.5 1 0.21 0.45 0.47 9.5 A
>= 25 mm 0 0 0 0 0.17 0.6 0.28 0.4 0.1 0 0 0 1.6 A
Days with Snow Depth:
>= 1 cm 30.9 28.1 27 9 0.28 0.03 0 0 0.28 2.8 18.7 27.2 144.3 A
>= 5 cm 30.6 27.5 24.3 6.6 0.07 0 0 0 0.03 0.96 12.8 23.4 126.2 A
>= 10 27.9 26.9 22.3 4.9 0 0 0 0 0 0.26 7.7 19.5 109.5 A
>= 20 20.5 19.7 16.6 3 0 0 0 0 0 0 2.7 11.9 74.4 A
Wind:
Speed (km/h) 9.3 9.5 10.5 12.4 14.2 14 12 11.2 11.4 12 9.2 9.5 11.3 A
Most Frequent Direction SW NW SW SW W W SW W W SW SW SW SW A
Maximum Hourly Speed 80 80 68 71 80 89 74 68 77 74 74 72
Date (yyyy/dd) 1962/23 1967/02 1956/15+ 1961/01+ 1971/14 1960/01 1973/11 1973/28 1966/30 1961/03+ 1963/28 1970/25
Direction of Maximum Hourly Speed W SW W W SW W SW SW SW W SW W W
Maximum Gust Speed 121 120 105 109 122 105 108 109 120 111 106 104
Date (yyyy/dd) 1972/05 1985/14 1971/07 1961/17 1971/14 1960/01 1973/11 1962/20 1980/30 1982/22 1962/24 1979/05
Direction of Maximum Gust W SW W W SW W SW W W SW W W SW
Days with Winds >= 52 km/h 1.4 0.7 0.3 0.9 1.1 0.9 0.4 0.4 0.5 1.7 1 0.6 9.9 C
Days with Winds >= 63 km/h 0.4 0.2 0.2 0.2 0.3 0.2 0.1 0.1 0.1 0.4 0.3 0.3 2.6 C
Degree Days:
Above 24 °C 0 0 0 0 0 0 0 0 0 0 0 0 0.1 A
Above 18 °C 0 0 0 0 1 3 11.5 10.6 0.6 0 0 0 26.7 A
Above 15 °C 0 0 0 0.2 7.1 21.1 48.8 41.7 5 0.5 0 0 124.3 A
Above 10 °C 0 0 0 4.7 52.8 125.2 182.6 155.5 49.5 8.6 0 0 579 A
Above 5 °C 0.1 0.2 0.9 40.9 169 272.5 337.5 307.1 160.9 46.9 1.2 0.6 1337.9 A
Above 0 °C 3.3 5.8 23.4 142.2 320 422.5 492.5 461.9 303.3 145.5 15.4 6.8 2342.5 A
Below 0 °C 469.5 329.5 175.1 20.9 0.4 0 0 0 1.1 22.1 214.1 396.8 1629.3 A
Below 5 °C 621.3 465.2 307.6 69.6 4.4 0 0 0.2 8.7 78.6 350 545.6 2451 A
Below 10 °C 776.2 606.4 461.7 183.3 43.2 2.7 0.2 3.6 47.4 195.3 498.8 700 3518.5 A
Below 15 °C 931.2 747.7 616.7 328.8 152.5 48.5 21.3 44.8 152.8 342.2 648.8 855 4890.1 A
Below 18 °C 1024.2 832.5 709.7 418.6 239.4 120.4 77 106.7 238.4 434.6 738.8 948 5888.2 A
Bright Sunshine:
Total Hours 78.8 107.4 170.5 234.5 275.3 295 308.3 271.7 168.4 137.4 83.1 72.9 2203.1 D
Days with measureable 21.9 23.1 28.4 28.1 29.4 28.1 29.9 29.1 26.5 26.9 21.3 21.1 313.9 D
% of possible daylight hours 32.5 39.5 46.5 55.4 55 56.8 59.2 58.5 43.9 42.1 32.8 32.4 46.2 D
Extreme Daily 8.1 10.4 11.9 14.3 16.1 17 16.4 15.1 13.2 10.1 8.9 7.2 D
Date (yyyy/dd) 1985/29+ 1988/27+ 1987/31 1985/29 1986/31 1990/27 1985/02 1981/06 1988/02 1985/01 1987/01 1986/30
Humidex:
Extreme Humidex 12 11.1 15.6 28.6 30.8 33.6 40.8 36.6 34.7 27.1 17.2 12.1
Date (yyyy/dd) 1993/30 1954/02 1966/29 1977/25 1985/17 1969/17 1959/23 1997/06 1988/04 1987/02 1969/02 1999/27
Days with Humidex >= 30 0 0 0 0 0.1 0.4 2 2.5 0.2 0 0 0 5.2 A
Days with Humidex >= 35 0 0 0 0 0 0 0.1 0.1 0 0 0 0 0.2 A
Days with Humidex >= 40 0 0 0 0 0 0 0 0 0 0 0 0 0 A
Wind Chill:
Extreme Wind Chill -63 -55 -53.1 -46.7 -16.1 -4.3 -2.4 -6.2 -15.3 -33.9 -56.1 -56.3
Date (yyyy/dd) 1953/14 1956/15 1955/04 1954/02 2002/03 1973/01 2002/30 1973/17 1972/27 1991/27 1985/26 1992/29
Days with Wind Chill < -20 19.5 14.7 7.8 0.9 0 0 0 0 0 0.6 8.3 16.8 68.6 A
Days with Wind Chill < -30 10.8 7.4 2.1 0.1 0 0 0 0 0 0.1 2.3 8.3 31.2 A
Days with Wind Chill < -40 3.9 2.2 0.2 0 0 0 0 0 0 0 0.2 2.8 9.3 A
Humidity:
Average Vapour Pressure (kPa) 0.2 0.3 0.3 0.5 0.7 1 1.2 1.1 0.8 0.6 0.3 0.2 0.6 A
Average Relative Humidity - 0600LST (%) 76.6 78.1 78.5 75.3 72.2 77.7 83.6 85.9 84.8 80.8 81.3 77.4 79.4 A
Average Relative Humidity - 1500LST (%) 73 69.9 62.8 45.6 39.6 45.7 49 49 51 54.6 71.5 73.7 57.1 A
Pressure:
Average Station Pressure (kPa) 93.5 93.5 93.4 93.5 93.4 93.4 93.6 93.6 93.6 93.4 93.3 93.4 93.5 A
Average Sea Level Pressure (kPa) 101.9 101.8 101.6 101.5 101.4 101.3 101.5 101.5 101.6 101.4 101.5 101.7 101.5 A
Visibility (hours with):
< 1 km 18.1 9.7 5.8 2.6 2.2 1.5 3.7 6.4 9.8 11 25.5 15.4 111.6 C
1 to 9 km 110.2 76.5 54.7 22 11 11.7 10.5 21.1 21.3 34 81.7 94.1 548.7 C
> 9 km 615.8 591.8 683.5 695.4 730.9 706.8 729.8 716.5 688.9 699 612.8 634.6 8105.7 C
Cloud Amount (hours with):
0 to 2 tenths 167.5 150.1 169.5 169.9 143.3 115.1 149.5 185 157 162.1 151.8 169.3 1890.2 C
3 to 7 tenths 145 144.3 168.5 201.2 226.8 239.6 263.7 227.8 180.2 169 142.3 154.3 2262.6 C
8 to 10 tenths 431.6 383.6 405.9 348.9 373.9 365.3 330.9 331.2 382.8 412.9 425.9 420.4 4613.3 C
 
 
Temperature:JanFebMarAprMayJunJul
Daily Average (°C)-15-11.5-4.94.110.314.115.9
Standard Deviation5.253.62.21.611
Daily Maximum (°C)-9.5-5.80.610.116.920.222.1
Daily Minimum (°C)-20.5-17.1-10.4-23.789.6
Extreme Maximum (°C)12.611.816.129.231.333.333.3
Date (yyyy/dd)1993/301992/271966/291977/251985/171970/031944/19
Extreme Minimum (°C)-52.2-48.3-42.8-35.6-8.1-2.20.6
Date (yyyy/dd)1950/021947/011951/07+1954/021986/011951/011949/02+
Precipitation:
Rainfall (mm)1.8119.635.276.570.4
Snowfall (cm)36.422.518.68.7200
Precipitation (mm)30.718.515.517.336.976.570.4
Average Snow Depth (cm)2831236000
Median Snow Depth (cm)2830225000
Snow Depth at Month-end (cm)3228160000
Extreme Daily Rainfall (mm)5.84.610.917.332.777.566.8
Date (yyyy/dd)1977/171963/261944/161962/281984/161965/271982/14
Extreme Daily Snowfall (cm)22.621.322.115.717.500
Date (yyyy/dd)1982/091972/181966/161966/091960/211942/01+1942/01+
Extreme Daily Precipitation (mm)16.815.2181932.777.566.8
Date (yyyy/dd)1945/051948/141966/161986/291984/161965/271982/14
Extreme Snow Depth (cm)84868469920
Date (yyyy/dd)1982/30+1982/011974/17+1974/02+1986/011990/231955/01+
Days with Maximum Temperature:
<= 0 °C24.118.411.81.70.0300
> 0 °C6.99.919.228.3313031
> 10 °C0.070.171.515.32829.831
> 20 °C0001.38.515.421.3
> 30 °C00000.070.170.7
> 35 °C0000000
Days with Minimum Temperature:
> 0 °C0.270.471.29.826.33031
<= 2 °C30.928.130.825.610.80.670.1
<= 0 °C30.727.829.820.24.70.030
< -2 °C30.227.126.612.21.300
< -10 °C25.62114.11.9000
< -20 °C15.410.43.90.2000
< - 30 °C5.72.80.430000
Days with Rainfall:
>= 0.2 mm1.20.931.14.39.512.813.2
>= 5 mm0.1000.62.44.84.5
>= 10 mm0000.070.772.12.1
>= 25 mm00000.170.60.27
Days With Snowfall:
>= 0.2 cm11.68.88.23.40.6300
>= 5 cm2.41.20.90.630.200
>= 10 cm0.630.230.130.130.0300
>= 25 cm0000000
Days with Precipitation:
>= 0.2 mm12.19.28.76.99.812.813.1
>= 5 mm1.80.870.571.22.54.84.4
>= 10 mm0.430.130.070.230.82.12.1
>= 25 mm00000.170.60.28
Days with Snow Depth:
>= 1 cm30.928.12790.280.030
>= 5 cm30.627.524.36.60.0700
>= 1027.926.922.34.9000
>= 2020.519.716.63000
Wind:
Speed (km/h)9.39.510.512.414.21412
Most Frequent DirectionSWNWSWSWWWSW
Maximum Hourly Speed80806871808974
Date (yyyy/dd)1962/231967/021956/15+1961/01+1971/141960/011973/11
Direction of Maximum Hourly SpeedWSWWWSWWSW
Maximum Gust Speed121120105109122105108
Date (yyyy/dd)1972/051985/141971/071961/171971/141960/011973/11
Direction of Maximum GustWSWWWSWWSW
Days with Winds >= 52 km/h1.40.70.30.91.10.90.4
Days with Winds >= 63 km/h0.40.20.20.20.30.20.1
Degree Days:
Above 24 °C0000000
Above 18 °C00001311.5
Above 15 °C0000.27.121.148.8
Above 10 °C0004.752.8125.2182.6
Above 5 °C0.10.20.940.9169272.5337.5
Above 0 °C3.35.823.4142.2320422.5492.5
Below 0 °C469.5329.5175.120.90.400
Below 5 °C621.3465.2307.669.64.400
Below 10 °C776.2606.4461.7183.343.22.70.2
Below 15 °C931.2747.7616.7328.8152.548.521.3
Below 18 °C1024.2832.5709.7418.6239.4120.477
Bright Sunshine:
Total Hours78.8107.4170.5234.5275.3295308.3
Days with measureable21.923.128.428.129.428.129.9
% of possible daylight hours32.539.546.555.45556.859.2
Extreme Daily8.110.411.914.316.11716.4
Date (yyyy/dd)1985/29+1988/27+1987/311985/291986/311990/271985/02
Humidex:
Extreme Humidex1211.115.628.630.833.640.8
Date (yyyy/dd)1993/301954/021966/291977/251985/171969/171959/23
Days with Humidex >= 3000000.10.42
Days with Humidex >= 350000000.1
Days with Humidex >= 400000000
Wind Chill:
Extreme Wind Chill-63-55-53.1-46.7-16.1-4.3-2.4
Date (yyyy/dd)1953/141956/151955/041954/022002/031973/012002/30
Days with Wind Chill < -2019.514.77.80.9000
Days with Wind Chill < -3010.87.42.10.1000
Days with Wind Chill < -403.92.20.20000
Humidity:
Average Vapour Pressure (kPa)0.20.30.30.50.711.2
Average Relative Humidity - 0600LST (%)76.678.178.575.372.277.783.6
Average Relative Humidity - 1500LST (%)7369.962.845.639.645.749
Pressure:
Average Station Pressure (kPa)93.593.593.493.593.493.493.6
Average Sea Level Pressure (kPa)101.9101.8101.6101.5101.4101.3101.5
Visibility (hours with):
< 1 km18.19.75.82.62.21.53.7
1 to 9 km110.276.554.7221111.710.5
> 9 km615.8591.8683.5695.4730.9706.8729.8
Cloud Amount (hours with):
0 to 2 tenths167.5150.1169.5169.9143.3115.1149.5
3 to 7 tenths145144.3168.5201.2226.8239.6263.7
8 to 10 tenths431.6383.6405.9348.9373.9365.3330.9
 

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.

GRANDE PRAIRIE A *
ALBERTA
Latitude:55° 10.800' NLongitude:118° 53.400' WElevation:669.00 m
Climate ID:3072920WMO ID:71940TC ID:YQU
Temperature:AugSepOctNovDecYearCode
Daily Average (°C)14.910.14-6.6-12.61.9A
Standard Deviation1.61.81.74.15.11.2A
Daily Maximum (°C)21.416.49.6-1.8-7.27.7A
Daily Minimum (°C)8.33.7-1.7-11.4-17.9-4A
Extreme Maximum (°C)34.531.128.922.213.3
Date (yyyy/dd)1981/091944/121943/021949/021943/10
Extreme Minimum (°C)-2.8-10.6-31.7-40.6-47.2
Date (yyyy/dd)1947/20+1972/231951/251963/201990/20
Precipitation:
Rainfall (mm)61.140.115.15.40.7317.7A
Snowfall (cm)0.72.89.425.532158.6A
Precipitation (mm)61.842.623.826.226.4446.6A
Average Snow Depth (cm)0006179A
Median Snow Depth (cm)0006179A
Snow Depth at Month-end (cm)00110219A
Extreme Daily Rainfall (mm)9039.138.9177.6
Date (yyyy/dd)1994/051991/011943/041957/221950/24
Extreme Daily Snowfall (cm)19.312.736.321.323.4
Date (yyyy/dd)1973/171974/061957/041965/221947/13
Extreme Daily Precipitation (mm)9039.138.923.623.4
Date (yyyy/dd)1994/051991/011943/041957/221947/13
Extreme Snow Depth (cm)05565263
Date (yyyy/dd)1955/01+1971/291957/061990/301990/23
Days with Maximum Temperature:
<= 0 °C00.172.215.522.296.1A
> 0 °C3129.828.814.58.8269.2A
> 10 °C30.62614.81.10.13178.4A
> 20 °C18.67.91.60074.6A
> 30 °C1.30.10002.3A
> 35 °C000000A
Days with Minimum Temperature:
> 0 °C30.725.310.60.90.7167.3A
<= 2 °C19.424.529.730.6222.2A
<= 0 °C0.34.720.429.130.3198A
< -2 °C0.12.114.12729.5170.1A
< -10 °C00.031.415.123.9103A
< -20 °C000.34.512.547.2A
< - 30 °C000.030.573.713.2A
Days with Rainfall:
>= 0.2 mm12.4117.22.70.8777.2A
>= 5 mm3.12.60.790.28019.1A
>= 10 mm1.50.970.140.0707.7A
>= 25 mm0.370.10001.5A
Days With Snowfall:
>= 0.2 cm0.07149.210.357.3A
>= 5 cm0.030.170.451.729.6A
>= 10 cm0.030.030.030.340.62.2A
>= 25 cm000000A
Days with Precipitation:
>= 0.2 mm12.411.510.111.110.6128.2A
>= 5 mm3.12.91.41.61.426.5A
>= 10 mm1.510.210.450.479.5A
>= 25 mm0.40.10001.6A
Days with Snow Depth:
>= 1 cm00.282.818.727.2144.3A
>= 5 cm00.030.9612.823.4126.2A
>= 10000.267.719.5109.5A
>= 200002.711.974.4A
Wind:
Speed (km/h)11.211.4129.29.511.3A
Most Frequent DirectionWWSWSWSWSWA
Maximum Hourly Speed6877747472
Date (yyyy/dd)1973/281966/301961/03+1963/281970/25
Direction of Maximum Hourly SpeedSWSWWSWWW
Maximum Gust Speed109120111106104
Date (yyyy/dd)1962/201980/301982/221962/241979/05
Direction of Maximum GustWWSWWWSW
Days with Winds >= 52 km/h0.40.51.710.69.9C
Days with Winds >= 63 km/h0.10.10.40.30.32.6C
Degree Days:
Above 24 °C000000.1A
Above 18 °C10.60.600026.7A
Above 15 °C41.750.500124.3A
Above 10 °C155.549.58.600579A
Above 5 °C307.1160.946.91.20.61337.9A
Above 0 °C461.9303.3145.515.46.82342.5A
Below 0 °C01.122.1214.1396.81629.3A
Below 5 °C0.28.778.6350545.62451A
Below 10 °C3.647.4195.3498.87003518.5A
Below 15 °C44.8152.8342.2648.88554890.1A
Below 18 °C106.7238.4434.6738.89485888.2A
Bright Sunshine:
Total Hours271.7168.4137.483.172.92203.1D
Days with measureable29.126.526.921.321.1313.9D
% of possible daylight hours58.543.942.132.832.446.2D
Extreme Daily15.113.210.18.97.2D
Date (yyyy/dd)1981/061988/021985/011987/011986/30
Humidex:
Extreme Humidex36.634.727.117.212.1
Date (yyyy/dd)1997/061988/041987/021969/021999/27
Days with Humidex >= 302.50.20005.2A
Days with Humidex >= 350.100000.2A
Days with Humidex >= 40000000A
Wind Chill:
Extreme Wind Chill-6.2-15.3-33.9-56.1-56.3
Date (yyyy/dd)1973/171972/271991/271985/261992/29
Days with Wind Chill < -20000.68.316.868.6A
Days with Wind Chill < -30000.12.38.331.2A
Days with Wind Chill < -400000.22.89.3A
Humidity:
Average Vapour Pressure (kPa)1.10.80.60.30.20.6A
Average Relative Humidity - 0600LST (%)85.984.880.881.377.479.4A
Average Relative Humidity - 1500LST (%)495154.671.573.757.1A
Pressure:
Average Station Pressure (kPa)93.693.693.493.393.493.5A
Average Sea Level Pressure (kPa)101.5101.6101.4101.5101.7101.5A
Visibility (hours with):
< 1 km6.49.81125.515.4111.6C
1 to 9 km21.121.33481.794.1548.7C
> 9 km716.5688.9699612.8634.68105.7C
Cloud Amount (hours with):
0 to 2 tenths185157162.1151.8169.31890.2C
3 to 7 tenths227.8180.2169142.3154.32262.6C
8 to 10 tenths331.2382.8412.9425.9420.44613.3C
Date Modified: 2009-04-30

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