condition	mean	min	max
0 h after light	7.181150000000001	7.16287	7.19943
4 h after light	6.64484	6.53177	6.75791
8 h after light	11.9167	11.3442	12.4892
4 h after dark	11.522549999999999	10.4049	12.6402
8 h after dark	8.558824999999999	8.52159	8.59606
12 h after dark	7.16338	6.79229	7.53447