condition	mean	min	max
4 h after light	18.1141	17.448	18.7802
8 h after light	13.26	13.2523	13.2677
12 h after light	10.44875	10.0813	10.8162
4 h after dark	15.994333333333334	14.4514	17.0603
8 h after dark	23.503	17.9088	27.5822
12 h after dark	21.340799999999998	19.3284	24.0868