condition	mean	min	max
4 h after light	4.339930000000001	4.20272	4.47714
8 h after light	4.11421	3.77976	4.44866
12 h after light	4.742685	3.90743	5.57794
4 h after dark	7.96338	7.3904	8.25567
8 h after dark	5.812516666666667	5.19207	6.4839
12 h after dark	4.9669	3.99668	5.87873