condition	mean	min	max
1 h after light	15.389259759999998	13.37928824	17.39923128
3 h after light	13.79197555	12.5966712	15.30100546
5 h after light	15.732093756666668	12.40973806	17.76525814
7 h after light	17.21540104	14.40317734	18.73516811
9 h after light	19.36002722	17.37705593	20.67647488
11 h after light	17.85833407666667	16.95056546	18.41812416
13 h after light	18.024038616666665	17.37079913	18.69898468
15 h after light	19.54390893	18.41240416	20.17435741
1 h after dark	18.575715683333332	16.39173938	21.17965081
3 h after dark	19.83099440333333	17.83102292	20.88578807
5 h after dark	18.82676268	18.30244121	19.51735124
7 h after dark	15.672499746666668	13.98099166	18.0725471