condition	mean	min	max
4 h after light	3.38773	2.55316	4.2223
8 h after light	13.0522	12.2523	13.8521
12 h after light	9.07401	7.57912	10.5689
4 h after dark	15.1279	13.3831	16.8727
8 h after dark	11.493400000000001	10.6685	12.3183
12 h after dark	7.238525	6.48066	7.99639