condition	mean	min	max
0 h after light	7.908415	7.64646	8.17037
4 h after light	9.4216	9.09177	9.75143
8 h after light	13.95645	13.0226	14.8903
4 h after dark	15.97605	15.204	16.7481
8 h after dark	10.901250000000001	10.1644	11.6381
12 h after dark	9.01923	8.48147	9.55699