condition	mean	min	max
4 h after light	14.480204	10.403995	18.556413
8 h after light	15.13213	13.927407	16.336853
12 h after light	15.939789000000001	13.581299	18.298279
4 h after dark	12.466156000000002	11.074471	13.857841
8 h after dark	9.6135255	8.955487	10.271564
12 h after dark	11.564944	11.564944	11.564944