condition	mean	min	max
0 h after light	19.38255	19.2187	19.5464
4 h after light	15.455100000000002	14.9624	15.9478
8 h after light	14.79505	14.2099	15.3802
4 h after dark	15.43405	12.4637	18.4044
8 h after dark	18.96	18.5916	19.3284
12 h after dark	17.18855	16.5815	17.7956