condition	mean	min	max
4 h after light	17.5	17.5	17.5
8 h after light	50.7	44.3	57.1
12 h after light	46.65	43.9	49.4
4 h after dark	36.25	33.0	39.5
8 h after dark	59.9	47.8	72.0
12 h after dark	23.1	16.6	29.6