condition	mean	min	max
0 h after light	14.713799999999999	14.3234	15.1042
4 h after light	18.0088	17.8385	18.1791
8 h after light	17.61115	14.8362	20.3861
4 h after dark	19.656	18.0874	21.2246
8 h after dark	21.74175	20.7146	22.7689
12 h after dark	14.12655	12.2966	15.9565