condition	mean	min	max
4 h after light	7.8	7.8	7.8
8 h after light	9.35	2.8	15.9
12 h after light	15.7	5.5	25.9
4 h after dark	4.35	3.1	5.6
8 h after dark	17.25	3.2	31.3
12 h after dark	35.3	23.6	47.0