Almanac Averages and Extremes for January 18
OTTAWA MACDONALD-CARTIER INT'L A
ONTARIO
| 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 |
| Year | 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 |
|---|---|---|---|---|---|---|---|---|---|
| 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] = Indicates an unobserved value
- ^ = The value displayed is based on incomplete data
- † = Data that is not subject to review by the National Climate Archives
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