condition	mean	min	max
4 h after light	5.207504999999999	4.91609	5.49892
8 h after light	3.56553	3.24928	3.88178
12 h after light	3.60998	3.28719	3.93277
4 h after dark	3.797	3.39034	4.20366
8 h after dark	4.852245	4.6311	5.07339
12 h after dark	5.280365	5.12459	5.43614