Dalton Minimum

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The Dalton Minimum was a period of low solar activity, lasting from about 1790 to 1830 [1]. Like the Maunder Minimum and Spörer Minimum it coincided with a period of lower than average global temperatures. Low solar activity seems to be strongly correlated with global cooling.

A detailed analysis with the auroral and solar data has been given by Wilfried Schröder, N. N. Shefov in a paper in Ann. Geophys. 2004, also details can be found in Wilfried Schröder, Das Phänomen des Polarlichts (The aurora in time), Darmstadt, Wissenschaftliche Buchgeselllschaft 1984 and Science Edition, Bremen, 2000.