condition	mean	min	max
3 h after light	6.76629	5.26905	8.26084
6 h after light	6.815403333333333	6.21482	7.54214
9 h after light	8.40676	7.75994	8.8852
12 h after light	11.653279999999999	9.70342	13.7729
3 h after dark	17.939033333333334	17.3233	18.7581
6 h after dark	20.171566666666667	17.7749	23.0285
9 h after dark	14.685233333333333	12.6438	16.4198
12 h after dark	11.14611	9.89062	12.4016