condition	mean	min	max
4 h after light	21.0	21.0	21.0
8 h after light	6.6	4.5	8.7
12 h after light	12.149999999999999	11.2	13.1
4 h after dark	18.2	2.8	33.6
8 h after dark	3.9499999999999997	3.3	4.6
12 h after dark	15.350000000000001	14.9	15.8