condition	mean	min	max
4 h after light	21.8	21.8	21.8
8 h after light	14.65	3.7	25.6
12 h after light	6.05	4.0	8.1
4 h after dark	30.2	6.8	53.6
8 h after dark	26.400000000000002	3.2	49.6
12 h after dark	17.1	15.1	19.1