Actuaries Climate Index down again in latest five-year average

Winter 2020-21 data update lowers index benchmark for the second consecutive quarter

Washington, D.C., Arlington, VA, Schaumburg, IL, and Ottawa, ON (Sep. 14, 2021) – The winter 2020-21 data release of the Actuaries Climate Index (ACI) (, which provides objective measures of specific and aggregate changes in climate extremes and sea level across Canada and the U.S., shows a second consecutive small decline in the index’s five-year moving average and now sits at 1.19 points above the ACI reference period.

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