condition	mean	min	max
4 h after light	7.3172250000000005	6.68309	7.95136
8 h after light	8.184375	8.0697	8.29905
12 h after light	8.909975	8.65611	9.16384
4 h after dark	10.128225	9.62775	10.6287
8 h after dark	8.112919999999999	8.0277	8.19814
12 h after dark	7.609405000000001	6.9852	8.23361