condition	mean	min	max
4 h after light	83.04625	81.1483	84.9442
8 h after light	75.263	72.1863	78.3397
12 h after light	89.8029	89.7339	89.8719
4 h after dark	85.7603	78.104	93.4166
8 h after dark	77.0461	73.3674	80.7248
12 h after dark	83.2053	80.3049	86.1057