condition	mean	min	max
4 h after light	13.283299999999999	13.249179999999999	13.31524
8 h after light	13.12133	13.06002	13.20222
12 h after light	13.375256666666665	13.314729999999999	13.4347
4 h after dark	13.53455	13.47301	13.5933
8 h after dark	13.558123333333334	13.511820000000002	13.63799
12 h after dark	13.427726666666667	13.400210000000001	13.449329999999998