condition	mean	min	max
4 h after light	8.62655	7.978584	9.274516
8 h after light	8.366254999999999	8.109999	8.622511
12 h after light	7.6556345	7.633343	7.677926
4 h after dark	8.9507165	8.869761	9.031672
8 h after dark	7.842095	7.015129	8.669061
12 h after dark	8.948263	8.948263	8.948263