condition	mean	min	max
4 h after light	7.321163333333333	7.1070199999999994	7.48385
8 h after light	7.573476666666666	7.343789999999999	7.732819999999999
12 h after light	7.747106666666666	7.65848	7.849589999999999
4 h after dark	7.4788	7.43359	7.52557
8 h after dark	7.232546666666667	7.041980000000001	7.52557
12 h after dark	7.28299	7.25977	7.29968