Notices
What's New in latest Release from April 7th, 2021:
- Updated Glossary, including Speed of Maximum Gust, and Total Hourly Precipitation
- Updated national and regional climate services offices contacts and prices information
- Addition of station inventory lists for 1981-2010, 1971-2000, and 1961-1990 Normals.
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Almanac Averages and Extremes for June 17
TRENTON A
ONTARIO
| Category (Period of Record) | Value | Year |
|---|---|---|
| Average Maximum Temperature | 23.5 °C | |
| Average Minimum Temperature | 12.2 °C | |
| Monthly Frequency of Precipitation | 39 % | |
| Highest Temperature (1935-2020) | 33.6 °C | 1994 |
| Lowest Temperature (1935-2020) | 5.7 °C | 1980 |
| Greatest Precipitation (1935-2020) | 43.4 mm | 1935 |
| Greatest Rainfall (1935-2020) | 43.4 mm | 1935 |
| Greatest Snowfall (1935-2020) | ||
| Most Snow on the Ground (1955-2017) |
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| 2020 † | 27.2 | 8.7 | 18.0 | 0.0 | 0.0 | 0.0 | |||
| 2019 † | 21.4 | 10.3 | 15.9 | 0.0 | 0.0 | 0.0 | |||
| 2018 † | 26.7 | 12.6 | 19.7 | 0.0 | 0.0 | 0.0 | <31 | ||
| 2017 | 28.9 | 18.7 | 23.8 | LegendTT | 0.0 | LegendTT | 0 | <31 | |
| 2016 | 28.0 | 12.2 | 20.1 | 0.0 | 0.0 | 0.0 | 0 | <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
- Date modified: