Almanac Averages and Extremes for April 08
YELLOWKNIFE A
NORTHWEST TERRITORIES
| Category (Period of Record) | Value | Year |
|---|---|---|
| Average Maximum Temperature | -2.5 °C | |
| Average Minimum Temperature | -14.2 °C | |
| Monthly Frequency of Precipitation | 17 % | |
| Highest Temperature (1943-2012) | 9.0 °C | 1977 |
| Lowest Temperature (1943-2012) | -34.4 °C | 1967 |
| Greatest Precipitation (1943-2012) | 5.0 mm | 1986 |
| Greatest Rainfall (1943-2012) | 0.2 mm | 1982, 2010 |
| Greatest Snowfall (1943-2012) | 5.0 cm | 1986 |
| Most Snow on the Ground (1955-2012) | 67.0 cm | 1992 |
| 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 † | -7.6 | -22.4 | -15.0 | 0.0 | 0.0 | 0.0 | 40 | <31 | |
| 2011 † | 3.2 | -13.5 | -5.2 | 0.0 | LegendTT | LegendTT | 12 | 30 | 33 |
| 2010 † | 7.8 | -1.8 | 3.0 | 0.2 | LegendTT | 0.2 | 14 | 31 | 33 |
| 2009 † | -2.9 | -18.2 | -10.6 | 0.0 | 0.0 | 0.0 | 43 | <31 | |
| 2008 † | 2.2 | -5.9 | -1.9 | 0.0 | 0.0 | 0.0 | 48 | <31 |
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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