condition	mean	min	max
4 h after light	19.7	19.7	19.7
8 h after light	2.0999999999999996	1.9	2.3
12 h after light	23.55	15.4	31.7
4 h after dark	24.0	15.5	32.5
8 h after dark	30.75	27.4	34.1
12 h after dark	19.5	14.2	24.8