condition	mean	min	max
4 h after light	8.244665	8.132366	8.356964
8 h after light	8.35194	7.879705	8.824175
12 h after light	7.4993625	6.93259	8.066135
4 h after dark	7.740642	7.658603	7.822681
8 h after dark	7.503921500000001	7.356275	7.651568
12 h after dark	7.672066	7.672066	7.672066