[VIDEO] Stats – Canal Skating Season Shorter and Shorter

Version française

Length of seasons compared

1971-72 Season 90 days
1972-73 Season 78 days
1973-74 Season 65 days
1974-75 Season 62 days
1975-76 Season 67 days
1976-77 Season 71 days
1977-78 Season 77 days
1978-79 Season 64 days
1979-80 Season 62 days
1980-81 Season 61 days
Last Season        59 days
This Season        28 days – 18 days of skating

Meteorologists calculate “normal” temperatures based on 30 years of data because the weather varies so much from one year to the next. The Rideau Canal Skateway has only been in operation for 46 years so comparing the first 30 years with the most recent 30 involves some overlap, but the average season length from start to finish during the first 30 years of operation was 4½ days longer than the average for the most recent 30 years. That’s an average of 60 days back then compared to 55½ for the average from 1986-87 to now.

In fact “season one” in January and February of 1971 was a bit of a pilot project lasting only 39 days and if we ignore it, the first 30 years of skating seasons averaged 61 days.  That’s 5½ days longer than what’s “normal” now.

30 year averages - canal skating season

This shortening of the skating season comes despite heroic efforts and ever-improving techniques by the NCC to keep the skating season going. Some cynics suggest the NCC wants to save money by closing the canal as soon as possible after Winterlude but an examination of the annual stats doesn’t bear this out. If climate change alone were shortening skating seasons one might expect them to shorten from both the opening and closing dates. If NCC penny-pinching were shortening seasons we’d expect to see them shortening from the closing date only. In fact the stats show more shortening occurring at the opening day end than at the end of season.

Categories: Climate Change

Author:Ecology Ottawa

Volunteer driven local group dedicated to making Ottawa the green capital of Canada

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