Almanac Averages and Extremes for September 27
ST. JOHN'S INTL A
NEWFOUNDLAND
| Category (Period of Record) | Value | Year |
|---|---|---|
| Average Maximum Temperature | ||
| Average Minimum Temperature | ||
| Monthly Frequency of Precipitation | ||
| Highest Temperature (2012-2024) | 24.4 °C | 2022 |
| Lowest Temperature (2012-2024) | 1.0 °C | 2015 |
| Greatest Precipitation (2012-2024) | 20.4 mm | 2013 |
| Greatest Rainfall (2012-2024) | 20.4 mm | 2013 |
| Greatest Snowfall (2012-2024) | ||
| Most Snow on the Ground |
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| 2024 | 12.7 | 8.5 | 10.6 | 1.0 | 0.0 | 1.0 | 20 | 42 | |
| 2023 | 11.1 | 5.7 | 8.4 | 0.0 | 0.0 | 0.0 | 27 | 47 | |
| 2022 | 24.4 | 17.7 | 21.1 | 0.4 | 0.0 | 0.4 | 21 | 55 | |
| 2021 | 20.4 | 11.0 | 15.7 | 8.6 | 0.0 | 8.6 | 20 | 58 | |
| 2020 | 21.0 | 11.8 | 16.4 | 0.0 | 0.0 | 0.0 | 27 | 59 |
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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