condition	mean	min	max
4 h after light	16.376417	14.880453	17.872381
8 h after light	15.449137499999999	13.88838	17.009895
12 h after light	17.3104455	17.046054	17.574837
4 h after dark	19.668492	13.53268	25.804304
8 h after dark	16.644688	14.550087	18.739289
12 h after dark	16.881069	16.881069	16.881069