condition	mean	min	max
4 h after light	16.1	16.1	16.1
8 h after light	18.65	14.0	23.3
12 h after light	15.600000000000001	4.4	26.8
4 h after dark	45.3	44.8	45.8
8 h after dark	54.65	51.5	57.8
12 h after dark	30.1	21.7	38.5