condition	mean	min	max
4 h after light	10.55081	9.23892	11.8627
8 h after light	10.818249999999999	10.2938	11.3427
12 h after light	15.99515	15.8797	16.1106
4 h after dark	17.2947	16.2772	18.2445
8 h after dark	20.665399999999998	17.9107	22.3175
12 h after dark	13.779833333333332	12.4357	14.8867