condition	mean	min	max
0 h after light	12.57075	12.3885	12.753
4 h after light	19.35445	16.9757	21.7332
8 h after light	18.538449999999997	16.9593	20.1176
4 h after dark	14.081800000000001	13.5631	14.6005
8 h after dark	12.9731	12.3694	13.5768
12 h after dark	11.0973	11.0173	11.1773