condition	mean	min	max
0 h after light	6.5735600000000005	6.42898	6.71814
4 h after light	4.4616050000000005	4.16871	4.7545
8 h after light	5.18501	4.67541	5.69461
4 h after dark	6.689155	5.38618	7.99213
8 h after dark	5.4069199999999995	5.36311	5.45073
12 h after dark	5.424564999999999	5.12859	5.72054