condition	mean	min	max
4 h after light	8.22201	7.21245	9.23157
8 h after light	6.0516749999999995	5.9722	6.13115
12 h after light	6.076265	5.865	6.28753
4 h after dark	7.686636666666667	7.43298	8.10017
8 h after dark	9.018496666666666	8.45463	9.45431
12 h after dark	8.346056666666666	7.51034	9.92502