condition	mean	min	max
4 h after light	6.48416	5.21819	7.75013
8 h after light	6.595105	6.33651	6.8537
12 h after light	7.9786	6.3367	9.6205
4 h after dark	7.905209999999999	7.19895	8.85141
8 h after dark	6.9239	6.62325	7.18513
12 h after dark	6.1459633333333334	5.28625	7.46589