condition	mean	min	max
4 h after light	2045.4	2045.4	2045.4
8 h after light	1906.65	1705.2	2108.1
12 h after light	2218.5	2209.6	2227.4
4 h after dark	3115.0	2906.7	3323.3
8 h after dark	3400.5	3286.6	3514.4
12 h after dark	3425.2	3230.3	3620.1