condition	mean	min	max
0 h after light	17.059	15.8556	18.2624
4 h after light	18.9204	18.4058	19.435
8 h after light	15.47195	15.2851	15.6588
4 h after dark	16.38575	10.363	22.4085
8 h after dark	18.65305	16.1224	21.1837
12 h after dark	18.4798	14.6689	22.2907