condition	mean	min	max
4 h after light	5.21525	1.83425	7.68608
8 h after light	8.838226666666667	2.88578	13.4208
12 h after light	8.99529	5.44319	12.2854
4 h after dark	15.4524	14.4631	17.297
8 h after dark	7.773663333333333	5.66401	9.15624
12 h after dark	5.755036666666666	5.45946	6.26933