condition	mean	min	max
4 h after light	91.7	91.7	91.7
8 h after light	94.95	74.0	115.9
12 h after light	43.15	26.8	59.5
4 h after dark	7.15	5.7	8.6
8 h after dark	12.5	8.6	16.4
12 h after dark	52.2	38.0	66.4