Robert Feder has the all the dayparts broken down, but here are the overall ratings of Chicago's radio stations...
1. WBBM 780-AM/WCFS 105.9-FM all news, 6.2 (5.3)
2. WOJO 105.1-FM Mexican regional, 5.5 (4.6)
3. WTMX 101.9-FM hot adult contemporary, 5.4 (4.4)
4. WLIT 93.9-FM adult contemporary, 5.0 (13.3)
5. WVAZ 102.7-FM urban adult contemporary, 4.8 (4.9)
6. WDRV 97.1-FM classic rock, 4.5 (3.9)
7. WLS 94.7-FM classic hits, 3.7 (3.6)
8. WSCR 670-AM sports talk, 3.3 (3.0)
9. WXRT 93.1-FM adult album alternative, 3.2 (3.2)
10. (tie) WBMX 104.3-FM classic hip hop, 3.1 (3.0); WSHE 100.3-FM adult contemporary, 3.1 (2.5)
12. (tie) WBEZ 91.5-FM public radio news talk, 3.0 (2.6); WGN 720-AM news talk, 3.0 (2.2)
14. (tie) WGCI 107.5-FM urban contemporary, 2.9 (3.0); WKSC 103.5-FM Top 40, 2.9 (2.9)
16. (tie) WUSN 99.5-FM country, 2.8 (2.8); WRME 87.7-FM soft rock oldies, 2.8 (2.3)
18. WKQX 101.1-FM alternative rock, 2.6 (2.3)
19. (tie) WBBM 96.3-FM Top 40, 2.3 (2.4); WPPN 106.7-FM Spanish adult contemporary, 2.3 (2.5)
21. WLEY 107.9-FM Mexican regional, 2.2 (2.6)
22. WPWX 92.3-FM urban contemporary, 2.0 (1.9)
23. WLS 890-AM news talk, 1.7 (1.1)
24. WEBG 95.5-FM country, 1.5 (1.5)
25. (tie) WCKL 97.9-FM contemporary Christian, 1.3 (1.3); WMBI 90.1-FM Christian ministry, 1.3 (1.1)
27. WMVP 1000-AM sports talk, 1.2 (1.2)
28. WFMT 98.7-FM classical, 1.1 (1.2)
29. WERV 95.9-FM classic hits, 1.0 (0.6)
30. WVIV 93.5-FM Spanish contemporary, 0.9 (1.0)