condition	mean	min	max
4 h after light	8.03154	7.66582	8.2469
8 h after light	7.726563333333333	7.46467	7.97497
12 h after light	7.515403333333333	7.39531	7.631189999999999
4 h after dark	7.3382	7.08131	7.53689
8 h after dark	7.4921766666666665	7.19534	7.76587
12 h after dark	7.47358	7.26863	7.78436