Spring: The Monroe County annotated list (1985) indicated a range of departure dates from 18 January to 18 May (1984), with a mid range, or “normal departure time” of 24 February to 26 March. Record late appears to have been six reported “without details” on 23 May 1982 at Hamlin. (KB 32: 192)
Spring maxima: 3000 on 12 March 1967 (T. Tetlow) east spit, Braddock Bay. (GOS, May 1967) 4,000 on 12 March 1994 (Klue) at Elba on the western border of Region 2. (GOS, May 1994) 2500+ on 13 March 1982 (Moons et al) Braddock Bay. (GNR) 2500 on 15 March 1990 (Nicoletti) Braddock Bay. (GOS, May 1990) 4,000 on 16 March 1961 at Gainesville, Wyoming County, on the western border of Region 2. (Bull, p. 604) 2,000 on 18 March 1972 (Perrigos et al) Chase Road, Parma. (GOS, May 1972) 1,500 on 23 March 1963 (Chamberlain) at Lyons. (GOS, May 1963) 3000+ on 25 March 1998 (Hartenstein) Fowlerville. (GOS, May 1998) 1000 on 30 March 1974 (J. and A. Foster) Avon. (GNR) 750 on 1 April 1971 (Listman) at Braddock Bay. (GNR) 500 on 6 April 1975 (F. and R. Dobson) along the west lakeshore. (GNR)