condition	mean	min	max
4 h after light	35.9	35.9	35.9
8 h after light	12.2	5.9	18.5
12 h after light	19.9	8.2	31.6
4 h after dark	37.4	10.5	64.3
8 h after dark	16.8	2.9	30.7
12 h after dark	22.7	11.4	34.0