condition	mean	min	max
4 h after light	21.39515	18.9096	23.8807
8 h after light	16.014400000000002	15.7271	16.3017
12 h after light	15.965399999999999	14.7289	17.2019
4 h after dark	21.0582	20.357	21.8581
8 h after dark	23.371366666666667	23.1147	23.6975
12 h after dark	22.194433333333333	21.4306	22.8318