condition	mean	min	max
4 h after light	15.8	15.8	15.8
8 h after light	18.15	17.9	18.4
12 h after light	20.8	2.2	39.4
4 h after dark	10.85	2.0	19.7
8 h after dark	10.549999999999999	1.7	19.4
12 h after dark	7.55	3.6	11.5