condition	mean	min	max
0 h after light	9.764615	9.52863	10.0006
4 h after light	9.226704999999999	8.48483	9.96858
8 h after light	12.7486	12.4575	13.0397
4 h after dark	16.2022	15.3025	17.1019
8 h after dark	14.76265	13.1509	16.3744
12 h after dark	11.6816	11.1504	12.2128