condition	mean	min	max
4 h after light	406.5	406.5	406.5
8 h after light	558.8	483.6	634.0
12 h after light	623.7	605.4	642.0
4 h after dark	743.75	552.2	935.3
8 h after dark	872.5	678.8	1066.2
12 h after dark	474.35	271.0	677.7