condition	mean	min	max
4 h after light	9.418865	8.41493	10.4228
8 h after light	7.38475	6.9544	7.8151
12 h after light	8.18335	7.60485	8.76185
4 h after dark	5.2287	4.99836	5.45904
8 h after dark	8.289584999999999	8.25991	8.31926
12 h after dark	9.510905000000001	8.57931	10.4425