condition	mean	min	max
4 h after light	5.144375	4.2338	6.05495
8 h after light	5.275435	4.88491	5.66596
12 h after light	7.9533249999999995	6.95028	8.95637
4 h after dark	13.5552	13.0316	14.3481
8 h after dark	11.245816666666666	9.92885	12.3669
12 h after dark	9.315233333333333	8.98919	9.82657