 In Ottawa, the temperature reached 36.3 °C (97.5 °F), but with close to 80% humidity factored in, it reached an all-time humidex record of 48 °C (118 °F).Record power consumption was recorded in Ontario when close to 27,000 MW were used by consumers, beating out a record from the previous summer.Powerful thunderstorms affected parts of Ontario and Quebec on July 17 and July 30 in Peterborough, in eastern Ontario (Ottawa area) in the early morning hours of August 1 and again in Quebec, centred around Montreal that same evening.