condition	mean	min	max
3 h after light	17.622500000000002	16.2376	20.0788
6 h after light	21.532666666666668	17.9315	25.7897
9 h after light	19.9248	17.0093	22.6367
12 h after light	15.930575000000001	14.3515	18.1615
3 h after dark	26.171033333333334	25.3208	27.5519
6 h after dark	28.840366666666664	27.8159	30.0981
9 h after dark	21.9371	21.2768	22.5161
12 h after dark	12.9158	12.8878	12.9438