condition	mean	min	max
4 h after light	5.42463	5.30931	5.55086
8 h after light	5.45366	5.07245	5.6539
12 h after light	5.41805	5.34258	5.52969
4 h after dark	5.71944	5.29924	6.0748
8 h after dark	5.616523333333333	5.377000000000001	5.87709
12 h after dark	5.2852966666666665	5.0481	5.41145