condition	mean	min	max
4 h after light	64.8	64.8	64.8
8 h after light	38.0	15.5	60.5
12 h after light	39.9	31.0	48.8
4 h after dark	66.8	47.9	85.7
8 h after dark	57.3	54.2	60.4
12 h after dark	28.3	27.6	29.0