condition	mean	min	max
4 h after light	5.50813	5.040080000000001	5.792590000000001
8 h after light	5.451766666666667	5.33919	5.597169999999999
12 h after light	5.625823333333334	5.1437	5.99338
4 h after dark	5.76954	5.598730000000001	5.95565
8 h after dark	5.7759	5.5084599999999995	6.01947
12 h after dark	5.77107	5.48283	6.11091