condition	mean	min	max
0 h after light	6.92976	6.61019	7.24933
4 h after light	13.05695	11.9817	14.1322
8 h after light	10.602889999999999	9.91608	11.2897
4 h after dark	14.3124	13.4283	15.1965
8 h after dark	14.88355	14.391	15.3761
12 h after dark	9.41337	6.14964	12.6771