condition	mean	min	max
4 h after light	46.020300000000006	42.8796	49.161
8 h after light	20.27475	18.5089	22.0406
12 h after light	14.43015	13.998	14.8623
4 h after dark	15.181533333333332	14.5575	15.6895
8 h after dark	20.658933333333334	18.3372	22.425
12 h after dark	39.8177	38.6519	40.7736