condition	mean	min	max
4 h after light	8.2	8.2	8.2
8 h after light	33.35	11.3	55.4
12 h after light	18.6	5.7	31.5
4 h after dark	7.6	3.5	11.7
8 h after dark	29.0	17.3	40.7
12 h after dark	32.25	18.1	46.4