condition	mean	min	max
4 h after light	7.679385	6.89207	8.4667
8 h after light	7.784365	7.76086	7.80787
12 h after light	8.063395	7.45698	8.66981
4 h after dark	14.2476	13.0646	15.4306
8 h after dark	12.494299999999999	12.1893	12.7993
12 h after dark	11.58835	11.2546	11.9221