condition	mean	min	max
4 h after light	21553.6	21553.6	21553.6
8 h after light	24714.0	20594.7	28833.3
12 h after light	24770.15	23507.4	26032.9
4 h after dark	20265.8	18725.5	21806.1
8 h after dark	13600.75	10933.8	16267.7
12 h after dark	6741.6	4137.0	9346.2