condition	mean	min	max
4 h after light	7.8928899999999995	7.76058	7.96029
8 h after light	8.066989999999999	7.87758	8.263869999999999
12 h after light	8.042583333333333	7.834510000000001	8.16901
4 h after dark	8.021223333333333	7.94693	8.10027
8 h after dark	7.848066666666666	7.67965	7.988239999999999
12 h after dark	7.673896666666667	7.6097600000000005	7.73528