condition	mean	min	max
0 h after light	10.351925	9.78455	10.9193
4 h after light	15.2193	14.9954	15.4432
8 h after light	7.2667850000000005	7.02199	7.51158
4 h after dark	18.80105	15.6575	21.9446
8 h after dark	16.526400000000002	15.0271	18.0257
12 h after dark	12.314150000000001	11.9991	12.6292