condition	mean	min	max
4 h after light	6109.954444333333	2007.52	12044.26
8 h after light	7603.519444333334	5489.92	11451.825
12 h after light	7811.238889	5468.11	9513.91
1.5 h after dark	6806.003332333334	2658.246667	11558.55333
5.5 h after dark	6147.731111	2999.98	9680.453333
9.5 h after dark	5565.49	2329.913333	9345.15