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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.

NAIN A
NEWFOUNDLAND

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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)-17.6-17.4-12.5-4.61.56.410.111.07.52.1-4.4-11.8-2.5A
Standard Deviation3.54.33.42.51.71.41.31.21.21.42.13.81.5A
Daily Maximum (°C)-13.5-13.0-7.50.05.611.014.915.811.55.1-1.3-8.11.7A
Daily Minimum (°C)-21.6-21.8-17.4-9.1-2.51.85.36.13.4-1.0-7.5-15.4-6.6A
Extreme Maximum (°C)10.57.612.114.525.633.333.332.729.019.411.76.7
Date (yyyy/dd)1996/ 202000/ 271999/ 291987/ 181950/ 311999/ 242000/ 312000/ 012003/ 131975/ 061927/ 031951/ 04
Extreme Minimum (°C)-39.4-38.3-37.0-31.1-17.5-6.7-2.8-2.8-6.7-19.0-24.4-41.5
Date (yyyy/dd)1939/ 251950/ 061992/ 021943/ 121992/ 051952/ 171933/ 021941/ 041929/ 241986/ 261951/ 251990/ 22
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)3.15.15.514.130.270.198.671.579.949.714.18.4450.2C
Snowfall (cm)80.965.968.256.926.713.30.00.02.024.563.573.4475.3C
Precipitation (mm)83.870.973.671.157.083.498.671.581.974.277.681.9925.4C
Average Snow Depth (cm)607592842400001154233A
Median Snow Depth (cm)587591852100000134132A
Snow Depth at Month-end (cm)68859860200003285033A
Extreme Daily Rainfall (mm)11.030.631.635.645.742.254.165.863.839.443.253.1
Date (yyyy/dd)1997/ 072010/ 141988/ 111995/ 231970/ 181929/ 261928/ 301953/ 171932/ 241998/ 021998/ 031927/ 18
Extreme Daily Snowfall (cm)103.453.890.764.428.636.10.00.025.926.649.661.0
Date (yyyy/dd)1988/ 062007/ 211943/ 131989/ 072004/ 081997/ 011927/ 011927/ 011943/ 271990/ 191987/ 061949/ 29
Extreme Daily Precipitation (mm)103.453.890.764.445.748.054.165.863.839.449.661.0
Date (yyyy/dd)1988/ 062007/ 211943/ 131989/ 071970/ 181989/ 291928/ 301953/ 171932/ 241998/ 021987/ 061949/ 29
Extreme Snow Depth (cm)2982452752852421800224130267
Date (yyyy/dd)1990/ 021985/ 161985/ 261985/ 181985/ 011992/ 011985/ 011985/ 011992/ 302003/ 311989/ 241989/ 22
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 °C29.326.227.015.22.20.00.00.00.02.118.028.1148.1A
> 0 °C1.72.04.014.828.830.031.031.030.028.912.02.9217.2A
> 10 °C0.040.00.040.524.415.123.426.917.42.80.00.090.6A
> 20 °C0.00.00.00.00.422.36.06.41.30.00.00.016.4A
> 30 °C0.00.00.00.00.00.120.200.150.00.00.00.00.47A
> 35 °C0.00.00.00.00.00.00.00.00.00.00.00.00.0A
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 °C0.160.160.351.67.022.630.630.827.412.91.10.48135.2A
<= 2 °C31.028.231.029.630.117.61.71.29.526.029.931.0266.9A
<= 0 °C30.828.130.728.424.07.40.360.192.618.128.930.5230.1A
< -2 °C30.627.730.025.413.61.40.00.00.2610.126.129.3194.4A
< -10 °C28.725.925.612.81.10.00.00.00.00.228.923.5126.7A
< -20 °C20.819.012.21.60.00.00.00.00.00.00.158.662.4A
< - 30 °C2.42.00.380.00.00.00.00.00.00.00.00.565.4A
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 mm0.961.01.63.48.314.216.215.415.210.13.11.891.2C
>= 5 mm0.270.320.200.802.04.45.84.45.43.50.850.5628.5C
>= 10 mm0.080.160.160.360.732.03.22.42.61.50.350.3714.0C
>= 25 mm0.00.040.040.080.080.380.750.270.440.190.150.02.4C
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 cm13.911.712.812.27.72.90.00.00.787.412.613.395.2A
>= 5 cm4.54.04.33.61.90.770.00.00.071.53.84.628.9A
>= 10 cm2.12.22.31.70.730.420.00.00.040.591.82.113.9A
>= 25 cm0.500.320.520.240.040.080.00.00.00.040.540.412.7A
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 mm14.112.013.113.713.015.016.015.415.314.613.814.1170.2A
>= 5 mm4.84.24.64.54.05.25.94.45.55.04.65.057.7A
>= 10 mm2.22.42.42.21.62.53.22.42.62.32.22.528.6A
>= 25 mm0.500.400.560.320.120.540.720.270.480.300.690.445.3A
Days with Snow Depth
1981 to 2010 Canadian Climate Normals station data
Days with Snow Depth
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
>= 1 cm31.028.231.029.721.51.70.00.00.126.424.730.4204.6C
>= 5 cm30.128.231.029.619.00.650.00.00.02.017.026.9184.5C
>= 10 cm29.028.030.829.116.20.230.00.00.00.6510.424.9169.3C
>= 20 cm26.226.330.028.211.70.00.00.00.00.086.918.9148.2C
Wind
1981 to 2010 Canadian Climate Normals station data
Wind
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
Maximum Hourly Speed (km/h)93911049380747265748583117
Date (yyyy/dd)1990/ 021990/ 141992/ 021985/ 171987/ 222000/ 221989/ 041988/ 081985/ 211986/ 261988/ 302000/ 13
Direction of Maximum Hourly SpeedNWNWNWNWSNWNWWWWNW
Maximum Gust Speed (km/h)11712014111193937281119128130139
Date (yyyy/dd)1989/ 091989/ 171987/ 061985/ 171985/ 051990/ 021988/ 051989/ 261985/ 211986/ 251984/ 031984/ 26
Direction of Maximum GustNWWNWNNWNWWNENWWWW
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 °C000000.10000000.1A
Above 18 °C000000.71.920.30004.8A
Above 15 °C0000027.991.400020.4A
Above 10 °C00001.313.751.260.313.50.100140A
Above 5 °C000.10.910.466.4161.3186.683.68.400517.7A
Above 0 °C0.60.61.313.771192.7314.4341.2224.279.97.30.71247.6A
Below 0 °C551488.3387.5151.723.70.100015.8141375.82134.9A
Below 5 °C705.4628.9541.2288.9118.123.820.49.499.4283.75303231.2A
Below 10 °C860.4770.1696.2438264121.146.829.189.3246.1433.76854679.7A
Below 15 °C1015.4911.3851.2588417.7259.4158.5132.8227.2401583.78406386.3A
Below 18 °C1108.4996944.2678510.7348.1245.5218.8316.1494673.79337466.5A
Soil Temperature
1981 to 2010 Canadian Climate Normals station data
Soil Temperature
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
at 300 cm depth (AM obs) (°C)0.00.00.00.0
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 Humidex9.06.59.012.824.838.140.241.430.516.910.64.8
Date (yyyy/dd)1996/ 202000/ 271999/ 291987/ 182003/ 211999/ 241991/ 302002/ 162003/ 132005/ 041996/ 101985/ 26
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)-53-59-54-41-21-10-50-9-31-33-56
Date (yyyy/dd)1991/ 291990/ 171995/ 051994/ 011993/ 021992/ 041991/ 071985/ 011984/ 301986/ 251986/ 211990/ 27
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 Relative Humidity - 0600LST (%)70.870.473.678.58281.784.284.281.880.177.474.278.3A
Average Relative Humidity - 1500LST (%)69.769.572.575.472.970.571.868.76871.874.672.871.5A
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 km31157410
1 to 9 km112698711053
> 9 km601588626606681
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 tenths31228622880161
3 to 7 tenths171180168164195
8 to 10 tenths261206324476388
Frost-Free
1981 to 2010 Canadian Climate Normals station data
Frost-Free
Date/Days Code
Average Date of Last Spring Frost Jun 18 C
Average Date of First Fall Frost Sept 24 C
Average Length of Frost-Free Period 96 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 10Jul 03Jun 29Jun 21Jun 15Jun 13Jun 03
Probability of first temperature in fall of 0 °C or lower on or before indicated dates10%25%33%50%66%75%90%
DateAug 18Sep 11Sep 16Sep 20Sep 25Sep 28Oct 07
Probability of frost-free period equal to or less than indicated period (Days)10%25%33%50%66%75%90%
Days48638392105105115

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.

NAIN A

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