condition	mean	min	max
4 h after light	7.517406666666667	7.199330000000001	7.969939999999999
8 h after light	7.784109999999999	7.544389999999999	8.21092
12 h after light	7.624193333333333	7.1508199999999995	7.98235
4 h after dark	6.986976666666667	6.729710000000001	7.38974
8 h after dark	6.71326	6.44782	7.22881
12 h after dark	6.67918	6.38244	6.92203