condition	mean	min	max
4 h after light	13.242296	12.536202	13.94839
8 h after light	12.685846	12.581458	12.790234
12 h after light	12.4422585	12.066669	12.817848
4 h after dark	12.9133255	12.765603	13.061048
8 h after dark	11.705164	10.809394	12.600934
12 h after dark	11.232226	11.232226	11.232226