condition	mean	min	max
4 h after light	7.4425	7.18455	7.8637
8 h after light	7.47037	7.2767100000000005	7.81814
12 h after light	7.669426666666666	7.380089999999999	8.09888
4 h after dark	7.714123333333333	7.397989999999999	8.038269999999999
8 h after dark	7.760776666666667	7.2766	8.02391
12 h after dark	7.588963333333333	7.339169999999999	7.953139999999999