condition	mean	min	max
4 h after light	14.757497	14.55204	14.962954
8 h after light	15.298269	13.748756	16.847782
12 h after light	14.873823999999999	13.452948	16.2947
4 h after dark	18.1662315	15.757194	20.575269
8 h after dark	16.957706	14.984206	18.931206
12 h after dark	14.399929	14.399929	14.399929