condition	mean	min	max
4 h after light	619.2	619.2	619.2
8 h after light	577.2	561.9	592.5
12 h after light	547.2	420.8	673.6
4 h after dark	1304.4	415.8	2193.0
8 h after dark	1664.25	996.9	2331.6
12 h after dark	878.5	769.5	987.5