condition	mean	min	max
4 h after light	141.9845	120.066	163.903
8 h after light	89.77425	85.1917	94.3568
12 h after light	143.438	136.448	150.428
4 h after dark	249.1365	245.447	252.826
8 h after dark	274.5045	274.227	274.782
12 h after dark	233.707	223.247	244.167