Today is Halifax-Shearwater's first frost of the season. Typical first is November 1. Record earliest is Sep 15, 1911; latest Nov 19, 2010.

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Records for 1871-04-01 → 1933-07-31 are from downtown ( https://climate.weather.gc.ca/climate_data/daily_data_e.html?StationID=6355 )

Records for 1933-08-01 → 1943-12-31 are from the Citadel ( https://climate.weather.gc.ca/climate_data/daily_data_e.html?StationID=6357 )

Records for 1944-01-01 → 2007-12-31 are from Shearwater Airport ( https://climate.weather.gc.ca/climate_data/daily_data_e.html?StationID=6465 )

Records for 2008-01-01 → 2023-11-01 are from Shearwater Airport ( https://climate.weather.gc.ca/climate_data/daily_data_e.html?StationID=47187 )