condition	mean	min	max
4 h after light	634.1	634.1	634.1
8 h after light	473.75	465.6	481.9
12 h after light	599.45	534.1	664.8
4 h after dark	605.8	574.5	637.1
8 h after dark	666.55	626.0	707.1
12 h after dark	607.0999999999999	592.3	621.9