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Canadian Climate Normals 1981-2010 Station Data

Temperature and Precipitation Graph
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Normals Data

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.

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.

INUVIK A
NORTHWEST TERRITORIES

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Normals Station Data
(all elements)
Temperature
1981 to 2010 Canadian Climate Normals station data
Temperature
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
Daily Average (°C)-26.9-25.5-22.3-11.80.411.614.111.03.9-7.6-21.1-24.1-8.2C
Standard Deviation4.74.83.43.93.21.32.01.92.02.64.63.63.5C
Daily Maximum (°C)-22.8-20.9-16.8-6.35.217.719.516.07.9-4.3-17.1-20.0-3.5C
Daily Minimum (°C)-31.0-30.1-27.7-17.4-4.55.58.65.9-0.1-10.9-25.0-28.2-12.9C
Extreme Maximum (°C)5.45.26.113.825.032.832.832.526.220.910.65.0
Date (yyyy/dd)1981/ 151989/ 251965/ 091995/ 271998/ 281999/ 172001/ 201994/ 021989/ 102003/ 021970/ 011973/ 31
Extreme Minimum (°C)-54.4-56.7-50.6-46.1-27.8-6.1-3.3-6.1-20.1-35.0-46.1-50.0
Date (yyyy/dd)1975/ 121968/ 041964/ 141971/ 011961/ 061959/ 041966/ 291966/ 131983/ 261965/ 291963/ 241964/ 31
Precipitation
1981 to 2010 Canadian Climate Normals station data
Precipitation
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
Rainfall (mm)0.10.00.00.65.915.535.036.420.30.90.00.0114.5D
Snowfall (cm)15.416.414.811.714.21.90.03.110.430.121.319.4158.6D
Precipitation (mm)12.513.111.99.817.317.335.039.429.324.416.014.8240.6D
Extreme Daily Rainfall (mm)1.80.20.810.019.319.141.033.022.913.20.80.4
Date (yyyy/dd)1981/ 191982/ 031989/ 132002/ 271961/ 271972/ 101998/ 081970/ 161976/ 291964/ 091967/ 211988/ 16
Extreme Daily Snowfall (cm)11.413.713.017.824.910.24.822.612.244.222.018.6
Date (yyyy/dd)1963/ 191962/ 261967/ 121961/ 281966/ 281970/ 071974/ 011969/ 161957/ 271971/ 171994/ 111986/ 09
Extreme Daily Precipitation (mm)10.513.710.817.824.219.341.042.930.729.216.915.8
Date (yyyy/dd)2005/ 101962/ 261990/ 061961/ 281987/ 021962/ 051998/ 081969/ 161976/ 291971/ 171994/ 111986/ 09
Extreme Snow Depth (cm)899796998783516817981
Date (yyyy/dd)1983/ 211977/ 031983/ 011983/ 151980/ 011965/ 011974/ 011969/ 081992/ 301971/ 201971/ 301971/ 01
Days with Maximum Temperature
1981 to 2010 Canadian Climate Normals station data
Days with Maximum Temperature
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
<= 0 °C30.727.730.122.09.00.00.00.02.624.029.430.7206.3C
> 0 °C0.280.460.888.022.030.031.031.027.47.00.570.26158.9C
> 10 °C0.00.00.00.637.925.828.725.610.80.300.00.099.7C
> 20 °C0.00.00.00.00.9111.715.47.60.520.090.00.036.1C
> 30 °C0.00.00.00.00.00.220.300.220.00.00.00.00.74C
> 35 °C0.00.00.00.00.00.00.00.00.00.00.00.00.0C
Days with Minimum Temperature
1981 to 2010 Canadian Climate Normals station data
Days with Minimum Temperature
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
> 0 °C0.00.00.00.637.126.330.728.415.00.650.040.0108.9C
<= 2 °C31.028.231.029.827.18.41.76.021.430.830.031.0276.3C
<= 0 °C31.028.231.029.423.93.70.262.615.030.430.031.0256.3C
< -2 °C31.028.231.028.619.21.00.00.878.528.629.931.0237.8C
< -10 °C30.828.030.523.46.30.00.00.00.8315.629.030.6195.0C
< -20 °C27.324.026.212.00.390.00.00.00.043.221.525.3140.1C
< - 30 °C17.314.411.82.20.00.00.00.00.00.268.513.367.7C
Days with Rainfall
1981 to 2010 Canadian Climate Normals station data
Days with Rainfall
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
>= 0.2 mm0.090.090.050.292.57.110.813.98.90.950.00.1044.7D
>= 5 mm0.00.00.00.050.370.942.12.11.20.00.00.06.7D
>= 10 mm0.00.00.00.050.050.170.530.440.380.00.00.01.6D
>= 25 mm0.00.00.00.00.00.00.120.060.00.00.00.00.18D
Days With Snowfall
1981 to 2010 Canadian Climate Normals station data
Days With Snowfall
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
>= 0.2 cm10.311.611.88.06.21.40.061.35.114.112.111.293.0D
>= 5 cm0.500.590.320.240.740.110.00.250.631.70.850.706.6D
>= 10 cm0.050.140.050.100.320.00.00.00.00.400.300.151.5D
>= 25 cm0.00.00.00.00.00.00.00.00.00.00.00.00.0D
Days with Precipitation
1981 to 2010 Canadian Climate Normals station data
Days with Precipitation
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
>= 0.2 mm9.910.911.27.67.68.111.614.413.013.611.710.3129.9C
>= 5 mm0.280.330.120.130.831.22.02.71.51.10.570.3911.1C
>= 10 mm0.040.00.040.040.330.220.520.480.300.220.170.092.5C
>= 25 mm0.00.00.00.00.00.00.090.040.00.00.00.00.13C
Wind
1981 to 2010 Canadian Climate Normals station data
Wind
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
Speed (km/h)7.17.89.010.011.612.411.110.410.19.07.27.19.4A
Most Frequent DirectionEEEEEEEEEEEEEA
Maximum Hourly Speed (km/h)655661464752465650565665
Date (yyyy/dd)1991/ 261995/ 141967/ 122002/ 061968/ 132004/ 182002/ 021984/ 261999/ 241981/ 101964/ 242008/ 16
Direction of Maximum Hourly SpeedNWNNWNWWNWNNNWENWNW
Maximum Gust Speed (km/h)9783848377657089777880109
Date (yyyy/dd)1962/ 171995/ 141967/ 121979/ 221967/ 051991/ 241985/ 061962/ 311972/ 261984/ 251964/ 241964/ 21
Direction of Maximum GustNNNWNWNWNWNWWNNWNWNW
Degree Days
1981 to 2010 Canadian Climate Normals station data
Degree Days
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
Above 24 °C000000.10.20.200000.4C
Above 18 °C000006.214.84.20.100025.3C
Above 15 °C00000.723.64715.40.500087.1C
Above 10 °C00006.991.8142.275.66.20.300323C
Above 5 °C000129.7205.8281.3191.943.71.200754.5C
Above 0 °C0008.588.3349436340.2135.47.50.301365.3C
Below 0 °C834.1719.8691363.6840.20017.4243.8631.9745.84331.6C
Below 5 °C989860.7846506180.370.36.775.7392.5781.6900.85546.7C
Below 10 °C1,1441001.51,001655312.64316.245.4188.2546.6931.61055.86,941C
Below 15 °C1,2991142.31,156805461.4124.876140.2332.4701.31081.61210.88530.9C
Below 18 °C1,3921226.81,249895553.7197.4136.8222422.1794.31171.61303.89564.6C
Bright Sunshine
1981 to 2010 Canadian Climate Normals station data
Bright Sunshine
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
Total Hours90.5187.6319.2317.0
Days with measurable22.026.028.030.0
% of possible daylight hours42.752.167.648.8
Extreme Daily4.99.012.517.521.824.023.718.414.411.16.80.0
Date (yyyy/dd)1961/ 311974/ 271961/ 301974/ 271974/ 281961/ 171974/ 121973/ 011961/ 011961/ 071970/ 011961/ 01
Humidex
1981 to 2010 Canadian Climate Normals station data
Humidex
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
Extreme Humidex5.94.95.614.929.235.840.036.626.720.610.05.0
Date (yyyy/dd)2009/ 171989/ 251965/ 102009/ 272010/ 281999/ 171961/ 281994/ 021995/ 222003/ 021970/ 011973/ 31
Days with Humidex >= 300.00.00.00.00.00.20.90.50.00.00.00.01.5A
Days with Humidex >= 350.00.00.00.00.00.00.00.10.00.00.00.00.1A
Days with Humidex >= 400.00.00.00.00.00.00.00.00.00.00.00.00.0A
Wind Chill
1981 to 2010 Canadian Climate Normals station data
Wind Chill
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
Extreme Wind Chill (°C)-64-67-60-51-35-13-5-9-23-43-55-60
Date (yyyy/dd)1975/ 121968/ 041962/ 051971/ 071961/ 061969/ 011966/ 291961/ 311983/ 281965/ 291963/ 251974/ 29
Days with Wind Chill < -2029.026.829.618.42.10.00.00.00.08.026.129.1169.2A
Days with Wind Chill < -3023.421.723.16.70.10.00.00.00.01.314.320.8111.4A
Days with Wind Chill < -4013.211.49.00.50.00.00.00.00.00.13.48.345.8A
Humidity
1981 to 2010 Canadian Climate Normals station data
Humidity
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
Average Vapour Pressure (kPa)0.10.10.10.20.50.81.110.70.30.10.10.4A
Average Relative Humidity - 0600LST (%)67.867.566.273.878.274.479.986.886.885.374.270.475.9A
Average Relative Humidity - 1500LST (%)67.365.45859.359.949.356.363.268.878.67469.764.2A
Pressure
1981 to 2010 Canadian Climate Normals station data
Pressure
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
Average Station Pressure (kPa)100.9101.1101.2100.9100.9100.5100.4100.4100.3100.4100.6100.7100.7A
Average Sea Level Pressure (kPa)101.8102102.1101.8101.7101.3101.3101.2101.2101.3101.5101.7101.6A
Radiation
1981 to 2010 Canadian Climate Normals station data
Radiation
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
Extreme Global - RF1 (MJ/m2)1514233031302415720
Date (yyyy/dd)1971/ 311961/ 271961/ 311972/ 271968/ 311972/ 161972/ 021966/ 011972/ 031972/ 011967/ 011967/ 01
Visibility (hours with)
1981 to 2010 Canadian Climate Normals station data
Visibility (hours with)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
< 1 km5.95.43.35.29.652.1811.512.77.14.280C
1 to 9 km113.39980.264.958.620.432.646.262.6116.695.398887.4C
> 9 km624.8573.6660.5649.9675.8694.6709.3689.8646614.8617.6641.87798.6C
Cloud Amount (hours with)
1981 to 2010 Canadian Climate Normals station data
Cloud Amount (hours with)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
0 to 2 tenths298265.7317.4255.6208.4202.3120.7104.2105.4120.6220.3245.52,464C
3 to 7 tenths121123.9126.3128.4135.8193.9192.8156.2115.795.4113.2117.31619.9C
8 to 10 tenths325288.4300.4336399.8323.8430.5483.6498.9528386.5381.24682.1C
Frost-Free
1981 to 2010 Canadian Climate Normals station data
Frost-Free
Date/Days Code
Average Date of Last Spring Frost Jun 12 C
Average Date of First Fall Frost Aug 18 C
Average Length of Frost-Free Period 66 Days C
1981 to 2010 Canadian Climate Normals station data
Frost-Free
Probability of last temperature in spring of 0 °C or lower on or after indicated dates10%25%33%50%66%75%90%
DateJul 10Jun 24Jun 20Jun 16Jun 12Jun 09Jun 04
Probability of first temperature in fall of 0 °C or lower on or before indicated dates10%25%33%50%66%75%90%
DateJul 27Aug 03Aug 06Aug 17Aug 22Aug 26Sep 10
Probability of frost-free period equal to or less than indicated period (Days)10%25%33%50%66%75%90%
Days36455054697286

Legend

  • A = WMO "3 and 5 rule" (i.e. no more than 3 consecutive and no more than 5 total missing for either temperature or precipitation)
  • B = At least 25 years
  • C = At least 20 years
  • D = At least 15 years
Station / Element Metadata

Statistics listed below are provided as a guide to determine the validity of Normals and Extremes calculations. For example, a station with 30 years of record between 1981 and 2010 with no missing years would be a more reliable normal than a station with 15 years of record and 2 missing years. Less than 100% possible observations indicates that out of the total number of observations used, some records were missing.

INUVIK A

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