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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.

FREDERICTON CDA
NEW BRUNSWICK

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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)-9.4-7.5-2.24.811.316.419.418.614.07.81.8-5.35.8D
Standard Deviation2.52.61.81.11.41.01.11.11.31.11.42.90.9D
Daily Maximum (°C)-4.4-2.12.89.917.622.725.424.519.612.85.5-1.011.1D
Daily Minimum (°C)-14.4-12.8-7.2-0.45.110.113.312.68.32.8-2.0-9.50.5D
Extreme Maximum (°C)15.019.022.230.535.535.636.138.933.528.921.716.1
Date (yyyy/dd)1929/ 071994/ 201962/ 301990/ 271992/ 221944/ 291921/ 141935/ 181999/ 031930/ 131956/ 011950/ 04
Extreme Minimum (°C)-38.9-38.3-32.2-20.0-6.7-2.21.72.0-4.4-11.1-21.7-33.3
Date (yyyy/dd)1925/ 191962/ 021918/ 081914/ 051966/ 081914/ 041969/ 071986/ 301922/ 281914/ 281920/ 291917/ 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)42.431.745.268.1103.186.389.085.994.789.396.354.0885.9D
Snowfall (cm)63.639.142.413.50.60.00.00.00.00.413.941.4214.8D
Precipitation (mm)101.970.190.181.6103.886.389.085.994.789.7109.991.81094.7D
Average Snow Depth (cm)1517141000000175D
Median Snow Depth (cm)1514120000000074D
Snow Depth at Month-end (cm)1618400000004104D
Extreme Daily Rainfall (mm)76.275.760.673.4109.774.482.882.8105.479.079.275.6
Date (yyyy/dd)1914/ 251970/ 031998/ 091954/ 171961/ 271976/ 251915/ 091933/ 251933/ 171926/ 251960/ 011999/ 07
Extreme Daily Snowfall (cm)48.058.243.738.115.20.00.00.00.022.930.769.9
Date (yyyy/dd)1981/ 131988/ 041972/ 031942/ 111917/ 031914/ 011914/ 011913/ 011913/ 011951/ 281964/ 301967/ 04
Extreme Daily Precipitation (mm)85.975.760.673.4109.774.482.882.8105.479.079.275.6
Date (yyyy/dd)1914/ 251970/ 031998/ 091954/ 171961/ 271976/ 251915/ 091933/ 251933/ 171926/ 251960/ 011999/ 07
Extreme Snow Depth (cm)7491112588000052866
Date (yyyy/dd)1976/ 231967/ 241963/ 181967/ 011967/ 081959/ 011959/ 011959/ 011959/ 011961/ 151974/ 251970/ 27
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 °C22.817.99.20.700.00.00.00.00.00.04.617.672.6D
> 0 °C8.310.421.929.331.030.031.031.030.031.025.413.4292.6D
> 10 °C0.500.502.614.127.829.931.031.029.621.86.21.2196.1D
> 20 °C0.00.00.01.110.221.227.527.012.41.40.00.0100.7D
> 30 °C0.00.00.00.050.201.62.92.40.450.00.00.07.5D
> 35 °C0.00.00.00.00.050.00.050.00.00.00.00.00.10D
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 °C0.601.73.911.827.030.031.031.029.320.89.72.7199.4D
<= 2 °C30.827.830.023.58.00.100.00.052.515.424.330.4192.7D
<= 0 °C30.426.627.118.24.00.00.00.00.7010.220.328.3165.9D
< -2 °C28.725.122.69.30.400.00.00.00.103.614.125.4129.2D
< -10 °C21.817.69.30.150.00.00.00.00.00.01.613.664.0D
< -20 °C7.85.31.50.00.00.00.00.00.00.00.053.117.7D
< - 30 °C0.650.200.050.00.00.00.00.00.00.00.00.111.0D
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 mm4.54.27.110.814.813.614.512.713.713.511.76.0126.9D
>= 5 mm2.42.02.74.35.95.44.94.94.95.15.63.250.9D
>= 10 mm1.81.31.62.33.83.02.83.03.02.93.51.930.6D
>= 25 mm0.450.200.250.300.850.550.550.750.950.840.740.476.9D
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 cm9.47.27.02.40.300.00.00.00.00.113.27.537.0D
>= 5 cm4.22.93.21.10.050.00.00.00.00.050.893.415.7D
>= 10 cm2.21.31.20.500.00.00.00.00.00.00.471.46.9D
>= 25 cm0.400.050.150.00.00.00.00.00.00.00.050.050.70D
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 mm12.610.212.412.614.913.614.512.713.713.513.812.5156.7D
>= 5 mm6.04.45.95.45.95.44.94.94.95.16.46.064.8D
>= 10 mm3.82.83.22.83.83.02.83.03.02.93.93.137.9D
>= 25 mm0.850.300.650.300.900.550.550.750.950.840.890.588.1D
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 cm25.924.324.24.00.120.00.00.00.00.113.818.1100.4D
>= 5 cm21.520.920.32.70.00.00.00.00.00.02.014.481.8D
>= 10 cm14.915.915.91.50.00.00.00.00.00.01.29.859.2D
>= 20 cm9.09.09.50.240.00.00.00.00.00.00.134.632.4D
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)686160534848434055716961
Date (yyyy/dd)1978/ 101976/ 021974/ 231996/ 031970/ 171972/ 011980/ 061994/ 301981/ 301965/ 081976/ 301964/ 01
Direction of Maximum Hourly SpeedSSSNWSSNWWNWSSWNW
Maximum Gust Speed (km/h)52
Date (yyyy/dd)1999/ 09
Direction of Maximum GustNW
Days with Winds >= 52 km/h0.0
Days with Winds >= 63 km/h0.0
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 °C00000.20.31.30.800002.5D
Above 18 °C0000.1222.858.7478.80.400139.7D
Above 15 °C0000.511.265.7136.5116.230.82.30.20363.5D
Above 10 °C00.104.870.7193.1289.9266.2126.422.23.60977D
Above 5 °C0.70.84.139.9198.4342.3444.9421.2269.7100.323.321847.6D
Above 0 °C6.811.737.7148.2351.5492.3599.9576.2419.7242.687.519.12,993D
Below 0 °C299.4222.2105.55.200000035183.4850.7D
Below 5 °C448.3352.6227471.9000012.8120.8321.41531.6D
Below 10 °C602.6493.1377.9161.929.20.800.16.889.6251.1474.32487.3D
Below 15 °C757.6634.3532.9307.5124.823.41.6561.2224.7397.7629.33,700D
Below 18 °C850.6719625.9397.1208.570.516.828.9129.2315.8487.5722.34,572D
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 5 cm depth (AM obs) (°C)-2.9-3.4-1.42.28.915.118.217.813.88.23.1-0.56.6D
at 5 cm depth (PM obs) (°C)-2.4-2.7-1.04.912.819.422.521.916.910.23.7-0.38.8D
at 10 cm depth (AM obs) (°C)-2.2-2.7-1.22.49.515.818.818.714.99.23.80.27.3D
at 10 cm depth (PM obs) (°C)-2.0-2.5-1.13.210.717.120.220.015.79.74.00.37.9D
at 20 cm depth (AM obs) (°C)-1.4-2.1-0.92.29.515.618.818.915.39.94.50.97.6D
at 20 cm depth (PM obs) (°C)-1.5-2.1-0.92.29.415.618.718.715.29.74.40.97.5D
at 50 cm depth (AM obs) (°C)0.5-0.4-0.21.57.913.716.817.515.110.75.92.47.6D
at 100 cm depth (AM obs) (°C)3.12.01.72.06.111.014.015.414.411.68.04.87.8D
at 150 cm depth (AM obs) (°C)4.33.22.62.54.98.811.713.313.111.38.76.07.5D
at 300 cm depth (AM obs) (°C)6.95.95.14.64.76.38.29.810.710.69.78.27.6D
Evaporation
1981 to 2010 Canadian Climate Normals station data
Evaporation
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Code
Lake Evaporation (mm)3.23.943.52.51.8
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 Hours119.5130.8148.9162.2206.9224.3239.7226.2172.4142.595.8102.21971.2D
Days with measurable23.121.823.423.326.226.628.528.025.925.920.921.0294.4D
% of possible daylight hours42.444.840.440.044.747.750.451.645.741.933.637.843.4D
Extreme Daily9.310.412.013.615.028.515.214.212.610.89.78.5
Date (yyyy/dd)1974/ 171985/ 281991/ 311960/ 301959/ 311995/ 041960/ 011998/ 011960/ 051993/ 011977/ 011989/ 09
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)11162429333333292519139
Date (yyyy/dd)1973/ 212001/ 281965/ 311965/ 251965/ 231964/ 211973/ 161965/ 011965/ 031964/ 011964/ 021964/ 02
Extreme Diffuse - RF2 (MJ/m2)0120
Date (yyyy/dd)1986/ 011986/ 271986/ 01
Extreme Reflected - RF3 (MJ/m2)813171988766477
Date (yyyy/dd)1982/ 312001/ 282001/ 261989/ 091982/ 211982/ 041977/ 101976/ 031989/ 031993/ 011980/ 191989/ 05
Extreme Net - RF4 (MJ/m2)2410141618181512842
Date (yyyy/dd)1993/ 251984/ 251979/ 211975/ 151998/ 271990/ 301994/ 031992/ 021986/ 051987/ 021987/ 021987/ 09
Frost-Free
1981 to 2010 Canadian Climate Normals station data
Frost-Free
Date/Days Code
Average Date of Last Spring Frost May 15 D
Average Date of First Fall Frost Oct 03 D
Average Length of Frost-Free Period 140 Days D
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%
DateMay 28May 24May 22May 18May 15May 12May 04
Probability of first temperature in fall of 0 °C or lower on or before indicated dates10%25%33%50%66%75%90%
DateSep 15Sep 21Sep 25Sep 27Oct 02Oct 05Oct 08
Probability of frost-free period equal to or less than indicated period (Days)10%25%33%50%66%75%90%
Days114120127134138141146

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.

FREDERICTON CDA

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