condition	mean	min	max
4 h after light	17.8921	12.3554	21.6279
8 h after light	15.944596666666666	5.45249	26.1126
12 h after light	16.426473333333334	8.70022	27.9433
4 h after dark	20.040066666666668	14.342	25.9542
8 h after dark	22.156200000000002	15.0843	28.7448
12 h after dark	15.2344	10.9196	18.0743