condition	mean	min	max
4 h after light	8.890013333333334	8.81545	8.95551
8 h after light	8.30604	8.19234	8.51633
12 h after light	8.62781	8.542639999999999	8.67553
4 h after dark	7.81586	7.63022	7.98355
8 h after dark	8.203949999999999	8.03465	8.32296
12 h after dark	8.14662	7.8898600000000005	8.29448