condition	mean	min	max
4 h after light	12.68248	12.65165	12.70469
8 h after light	12.70113	12.66879	12.749089999999999
12 h after light	12.703283333333333	12.5872	12.77488
4 h after dark	12.696006666666667	12.65417	12.76506
8 h after dark	12.55418	12.416780000000001	12.71395
12 h after dark	12.427343333333333	12.37389	12.47285