condition	mean	min	max
4 h after light	7.14444	6.72877	7.3983
8 h after light	7.34131	6.77008	7.716810000000001
12 h after light	7.2651	6.7167	7.612010000000001
4 h after dark	7.667906666666666	7.16795	7.953539999999999
8 h after dark	7.734323333333333	7.64314	7.87263
12 h after dark	7.514986666666667	7.23567	7.733160000000001