condition	mean	min	max
4 h after light	57.0	57.0	57.0
8 h after light	49.099999999999994	46.8	51.4
12 h after light	64.0	59.2	68.8
4 h after dark	137.10000000000002	98.9	175.3
8 h after dark	62.75	60.9	64.6
12 h after dark	82.7	81.9	83.5