condition	mean	min	max
4 h after light	13.086969499999999	12.944109	13.22983
8 h after light	12.407725	11.931814	12.883636
12 h after light	12.4108055	12.135757	12.685854
4 h after dark	15.455874000000001	12.663257	18.248491
8 h after dark	12.590179	10.026407	15.153951
12 h after dark	13.473445	13.473445	13.473445