condition	mean	min	max
4 h after light	71.9	71.9	71.9
8 h after light	47.9	36.3	59.5
12 h after light	51.6	45.6	57.6
4 h after dark	49.0	34.1	63.9
8 h after dark	44.3	43.9	44.7
12 h after dark	34.8	24.5	45.1