condition	mean	min	max
4 h after light	6.2480199999999995	4.14378	8.35226
8 h after light	7.340999999999999	4.5315	10.1505
12 h after light	6.1985	0.0	12.397
4 h after dark	10.91385	10.8355	10.9922
8 h after dark	8.113105000000001	7.17623	9.04998
12 h after dark	6.00115	0.0	12.0023