condition	mean	min	max
4 h after light	267.7	267.7	267.7
8 h after light	315.45	299.4	331.5
12 h after light	375.55	368.1	383.0
4 h after dark	534.95	409.4	660.5
8 h after dark	597.2	462.2	732.2
12 h after dark	418.15	357.4	478.9