condition	mean	min	max
0 h after light	16.76775	14.9194	18.6161
4 h after light	39.3971	37.4431	41.3511
8 h after light	19.457900000000002	17.3127	21.6031
4 h after dark	7.32924	6.58201	8.07647
8 h after dark	14.347249999999999	11.0934	17.6011
12 h after dark	9.958175	7.27445	12.6419