condition	mean	min	max
4 h after light	10.359195	8.09369	12.6247
8 h after light	11.14595	10.7946	11.4973
12 h after light	10.86435	10.6948	11.0339
4 h after dark	16.457233333333335	14.0213	18.1331
8 h after dark	17.5231	15.74	19.7764
12 h after dark	11.49846	9.98588	12.9518