condition	mean	min	max
4 h after light	4310.187222333333	3480.54	5271.495
8 h after light	3249.292222	2491.233333	3826.9
12 h after light	1909.3766666666668	1713.106667	2131.443333
1.5 h after dark	2315.167778	1146.066667	3220.77
5.5 h after dark	2678.5711109999997	1395.993333	3918.896667
9.5 h after dark	3517.5722220000002	2329.383333	4189.453333