condition	mean	min	max
4 h after light	3.115805	3.02782	3.20379
8 h after light	3.283675	3.04347	3.52388
12 h after light	4.01581	3.79197	4.23965
4 h after dark	3.963426666666667	3.66664	4.29192
8 h after dark	3.55873	3.48491	3.65801
12 h after dark	2.97797	2.82982	3.1928