condition	mean	min	max
4 h after light	542.9	542.9	542.9
8 h after light	694.9	656.3	733.5
12 h after light	635.5	634.9	636.1
4 h after dark	894.15	698.2	1090.1
8 h after dark	1134.2	826.0	1442.4
12 h after dark	878.05	773.7	982.4