condition	mean	min	max
4 h after light	14.66355	13.513	15.8141
8 h after light	12.5715	12.3686	12.7744
12 h after light	15.390249999999998	14.4766	16.3039
4 h after dark	18.247966666666667	17.7907	19.0143
8 h after dark	17.590833333333332	17.1939	18.0289
12 h after dark	17.1615	15.9349	18.28