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Almanac Averages and Extremes for April 15
CALGARY INT'L A
ALBERTA
| Category (Period of Record) | Value | Year |
|---|---|---|
| Average Maximum Temperature | 11.4 °C | |
| Average Minimum Temperature | -2.1 °C | |
| Monthly Frequency of Precipitation | 30 % | |
| Highest Temperature (1885-2012) | 26.3 °C | 1984 |
| Lowest Temperature (1885-2012) | -13.3 °C | 1953 |
| Greatest Precipitation (1885-2012) | 30.5 mm | 1930 |
| Greatest Rainfall (1885-2012) | 30.5 mm | 1930 |
| Greatest Snowfall (1885-2012) | 12.7 cm | 1933 |
| Most Snow on the Ground (1955-2012) | 15.0 cm | 2000 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| 2012 | -0.3 | -4.8 | -2.6 | 0.0 | LegendTT | LegendTT | LegendTT | 35LegendEE | 37LegendEE |
| 2011 | 0.4 | -5.8 | -2.7 | 0.0 | 0.0 | 0.0 | 14 | <31 | |
| 2010 | 13.0 | -2.3 | 5.4 | 0.0 | 0.0 | 0.0 | LegendTT | 17LegendEE | 32LegendEE |
| 2009 | 7.2 | -1.3 | 3.0 | 0.0 | 0.0 | 0.0 | 0 | <31 | |
| 2008 | 5.8 | -2.0 | 1.9 | 0.0 | 0.0 | 0.0 | 0 | 32LegendEE | 54LegendEE |
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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