Almanac Averages and Extremes for April 18
ARMSTRONG (AUT)
ONTARIO
Category (Period of Record) | Value | Year |
---|---|---|
Average Maximum Temperature | ||
Average Minimum Temperature | ||
Monthly Frequency of Precipitation | ||
Highest Temperature (1939-2023) | 21.1 °C | 1952 |
Lowest Temperature (1939-2023) | -18.3 °C | 1960 |
Greatest Precipitation (1939-2023) | 16.8 mm | 1977 |
Greatest Rainfall (1939-2013) | 16.8 mm | 1977 |
Greatest Snowfall (1939-2013) | ||
Most Snow on the Ground (1955-2023) | 75.0 cm | 1978 |
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 |
---|---|---|---|---|---|---|---|---|---|
2023 † | 3.7 | -6.9 | -1.6 | 0.9 | 8 | 31 | 48 | ||
2022 † | 2.2 | -5.1 | -1.5 | 3.0 | 53 | ||||
2021 † | 8.6 | -5.0 | 1.8 | 6.2 | 0 | 1 | 36 | ||
2020 † | 6.2 | -8.1 | -0.9 | LegendMM | 12 | 26 | 51 | ||
2019 † | 11.3 | -3.8 | 3.8 | 0.0 | 18 | 6 | 32 |
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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