condition	mean	min	max
4 h after light	7.929255	6.54757	9.31094
8 h after light	10.1007	10.0315	10.1699
12 h after light	15.424050000000001	14.5653	16.2828
4 h after dark	21.8312	21.6637	21.9987
8 h after dark	18.1495	17.8551	18.4439
12 h after dark	14.03635	13.9441	14.1286