condition	mean	min	max
4 h after light	2.5082500000000003	2.14045	2.87605
8 h after light	3.8656250000000005	3.37564	4.35561
12 h after light	11.37105	10.8928	11.8493
4 h after dark	9.337863333333333	8.56882	9.98689
8 h after dark	4.44416	3.2458	5.51968
12 h after dark	4.16112	3.33039	4.8046