condition	mean	min	max
0 h after light	14.95725	14.0494	15.8651
4 h after light	20.018099999999997	19.641	20.3952
8 h after light	27.39855	27.2266	27.5705
4 h after dark	4.78831	4.21821	5.35841
8 h after dark	9.801845	8.37369	11.23
12 h after dark	13.3507	11.6454	15.056