condition	mean	min	max
4 h after light	1.201215	1.07098	1.33145
8 h after light	0.721706	0.660963	0.782449
12 h after light	0.223973	0.219725	0.228221
4 h after dark	0.10276483333333333	0.0805365	0.115029
8 h after dark	0.407198	0.362251	0.429969
12 h after dark	0.9177393333333334	0.594789	1.24103