condition	mean	min	max
0 h after light	14.29655	14.2241	14.369
4 h after light	13.6981	13.0335	14.3627
8 h after light	8.980785000000001	8.39763	9.56394
4 h after dark	21.8082	20.2704	23.346
8 h after dark	18.97405	18.0326	19.9155
12 h after dark	17.1087	14.7941	19.4233