condition	mean	min	max
4 h after light	40.9406	40.683	41.1982
8 h after light	67.13794999999999	65.2367	69.0392
12 h after light	71.30510000000001	67.0416	75.5686
4 h after dark	90.9988	86.387	95.6106
8 h after dark	77.8055	76.7367	78.8743
12 h after dark	65.815	65.0234	66.6066