Almanac Averages and Extremes for May 21
ARMSTRONG (AUT)
ONTARIO
Category (Period of Record) | Value | Year |
---|---|---|
Average Maximum Temperature | ||
Average Minimum Temperature | ||
Monthly Frequency of Precipitation | ||
Highest Temperature (1939-2022) | 29.4 °C | 1955 |
Lowest Temperature (1939-2022) | -8.3 °C | 1967 |
Greatest Precipitation (1939-2022) | 25.6 mm | 2001 |
Greatest Rainfall (1939-1982) | 17.0 mm | 1964 |
Greatest Snowfall (1939-1982) | 10.7 cm | 1963 |
Most Snow on the Ground (1955-2021) | 6.0 cm | 2019 |
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 † | LegendMM | LegendMM | LegendMM | LegendMM | LegendMM | LegendMM | |||
2022 † | 6.4 | -0.2 | 3.1 | 0.1 | |||||
2021 † | 17.5 | 8.6 | 13.0 | 1.3 | 0 | ||||
2020 † | 27.5 | 4.2 | 15.9 | LegendMM | 15 | 37 | |||
2019 † | 20.2 | -2.3 | 9.0 | 0.4 | 6 | 16 | 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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