condition	mean	min	max
0 h after light	20.4146	19.9781	20.8511
4 h after light	10.066265	9.23053	10.902
8 h after light	10.8566	10.466	11.2472
4 h after dark	11.1458	11.0444	11.2472
8 h after dark	13.35325	12.9252	13.7813
12 h after dark	17.54915	13.3105	21.7878