condition	mean	min	max
4 h after light	12.653163333333334	12.637410000000001	12.663160000000001
8 h after light	12.63802	12.58589	12.68822
12 h after light	12.718646666666666	12.70979	12.73211
4 h after dark	12.67186	12.66056	12.68815
8 h after dark	12.62796	12.58085	12.6581
12 h after dark	12.69948	12.642660000000001	12.76304