condition	mean	min	max
4 h after light	7.1	7.1	7.1
8 h after light	19.55	7.6	31.5
12 h after light	16.0	7.0	25.0
4 h after dark	20.35	18.8	21.9
8 h after dark	34.95	31.1	38.8
12 h after dark	42.650000000000006	39.2	46.1