condition	mean	min	max
4 h after light	8.12417	8.03813	8.17721
8 h after light	7.324826666666667	7.248639999999999	7.45538
12 h after light	7.3722	7.27575	7.43485
4 h after dark	7.49108	7.40263	7.65868
8 h after dark	7.3142933333333335	7.09593	7.50224
12 h after dark	7.590133333333333	7.2163	8.07667