condition	mean	min	max
4 h after light	520.1	520.1	520.1
8 h after light	539.05	519.7	558.4
12 h after light	1418.1	556.8	2279.4
4 h after dark	1241.95	511.9	1972.0
8 h after dark	405.65	394.4	416.9
12 h after dark	356.5	312.4	400.6