condition	mean	min	max
4 h after light	7.563623333333333	7.16885	7.8658
8 h after light	7.698196666666666	7.45788	7.902139999999999
12 h after light	7.9307799999999995	7.62546	8.1307
4 h after dark	7.630230000000001	7.276680000000001	7.815
8 h after dark	7.736246666666666	7.38731	7.970339999999999
12 h after dark	7.7960199999999995	7.611089999999999	7.952389999999999