condition	mean	min	max
4 h after light	7.5544199999999995	7.476430000000001	7.66379
8 h after light	7.480416666666667	7.44676	7.5412
12 h after light	7.64687	7.378410000000001	7.80127
4 h after dark	7.426143333333334	7.16706	7.62086
8 h after dark	7.1204	7.00626	7.32327
12 h after dark	7.1178799999999995	6.9999899999999995	7.22443