condition	mean	min	max
4 h after light	31.27745	25.6689	36.886
8 h after light	22.9774	22.055	23.8998
12 h after light	131.6365	129.069	134.204
4 h after dark	176.13966666666667	168.796	180.299
8 h after dark	147.30833333333334	133.684	157.273
12 h after dark	81.71243333333334	76.7805	85.5871