condition	mean	min	max
4 h after light	468.7	468.7	468.7
8 h after light	417.75	364.0	471.5
12 h after light	422.95	418.0	427.9
4 h after dark	490.05	488.5	491.6
8 h after dark	527.65	503.0	552.3
12 h after dark	472.0	429.3	514.7