condition	mean	min	max
4 h after light	8.10951	7.9055800000000005	8.26234
8 h after light	8.328776666666666	8.11842	8.47454
12 h after light	7.566996666666666	7.006589999999999	7.884989999999999
4 h after dark	8.136283333333333	7.84385	8.331710000000001
8 h after dark	8.02462	7.78344	8.31677
12 h after dark	7.653116666666667	7.24892	8.030610000000001