condition	mean	min	max
0 h after light	17.56125	17.5456	17.5769
4 h after light	9.142230000000001	8.7208	9.56366
8 h after light	10.939	10.1644	11.7136
4 h after dark	14.73875	14.4871	14.9904
8 h after dark	16.0166	15.0324	17.0008
12 h after dark	14.0471	11.4269	16.6673