Almanac Averages and Extremes for January 18

OTTAWA MACDONALD-CARTIER INT'L A
ONTARIO

45°19'21.000" N
75°40'09.000" W
114.00 m
6106000
71628
YOW

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Almanac Averages & Extremes
Averages and Extremes
Category (Period of Record) Value Year
Average Maximum Temperature -6.4 °C  
Average Minimum Temperature -15.7 °C  
Monthly Frequency of Precipitation 54 %  
Highest Temperature (1939-2011) 9.9 °C 1996
Lowest Temperature (1939-2011) -29.4 °C 1954, 1971, 1976
Greatest Precipitation (1939-2011) 26.2 mm 2006
Greatest Rainfall (1939-2011) 24.4 mm 2006
Greatest Snowfall (1939-2011) 10.2 cm 1978, 2009
Most Snow on the Ground (1955-2011) 72.0 cm 2001
Most Recent Daily Data for January 18
Maximum Temperature DefinitionMax Temp
°C
Minimum Temperature DefinitionMin Temp
°C
Mean Temperature DefinitionMean Temp
°C
Total Rain DefinitionTotal Rain
mm
Total Snow DefinitionTotal Snow
cm
Total Precipitation DefinitionTotal Precip
mm
Snow on Ground DefinitionSnow on Grnd
cm
Direction of Maximum Gust DefinitionDir of Max Gust
10's deg
Speed of Maximum Gust DefinitionSpd of Max Gust
km/h
Year
2011 -4.2 -17.3 -10.8 0.0 2.4 1.6 23   <31
2010 -1.0 -6.4 -3.7 LegendTT LegendTT LegendTT 40   <31
2009 -9.6 -18.3 -14.0 0.0 10.2 7.2 42 9LegendEE 33LegendEE
2008 1.7 -6.8 -2.6 LegendTT 1.4 1.0 9 24LegendEE 65LegendEE
2007 -1.2 -15.1 -8.2 0.0 0.2 LegendTT 11 19LegendEE 32LegendEE

Legend

  • A = Accumulated
  • B = More than one occurrence and estimated
  • C = Precipitation occurred, amount uncertain
  • E = Estimated
  • F = Accumulated and estimated
  • L = Precipitation may or may not have occurred
  • M = Missing
  • N = Temperature missing but known to be > 0
  • S = More than one occurrence
  • T = Trace
  • Y = Temperature missing but known to be   < 0
  • [empty] = No data available
  • ^ = The value displayed is based on incomplete data
  • † = Data for this day has undergone only preliminary quality checking
  • ‡ = Partner data that is not subject to review by the National Climate Archives
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