condition	mean	min	max
4 h after light	7.4	7.4	7.4
8 h after light	39.95	16.5	63.4
12 h after light	40.7	21.5	59.9
4 h after dark	26.0	11.6	40.4
8 h after dark	13.299999999999999	10.2	16.4
12 h after dark	22.5	16.1	28.9