condition	mean	min	max
4 h after light	89.78155000000001	87.543	92.0201
8 h after light	77.46379999999999	75.3427	79.5849
12 h after light	65.5744	63.9647	67.1841
4 h after dark	85.7171	75.2746	96.1596
8 h after dark	75.98034999999999	73.3153	78.6454
12 h after dark	78.85785	77.2009	80.5148