condition	mean	min	max
4 h after light	599.7	599.7	599.7
8 h after light	563.45	535.9	591.0
12 h after light	611.9	576.8	647.0
4 h after dark	847.1	740.0	954.2
8 h after dark	838.05	803.6	872.5
12 h after dark	795.9	756.5	835.3