condition	mean	min	max
4 h after light	17.22155	17.0163	17.4268
8 h after light	17.38985	16.2729	18.5068
12 h after light	17.1355	14.496	19.775
4 h after dark	27.2601	25.0366	29.4836
8 h after dark	22.045299999999997	21.0643	23.0263
12 h after dark	22.39935	21.7502	23.0485