Sep CDM Ratings
K, Oh: Here are select Nielsen Audio Continuous Diary Measurement (CDM) ratings for September 2025 (three-month rolling average, 6/26-9/17) compared with July and August. Ranks (in parentheses) are among subscribers. Unless otherwise noted, all figures are Persons 12+, Monday-Sunday, 6am-midnight.
| Columbia, SC (Market 88) |
WCOS iHeartMedia |
| Little Rock, AR (93) |
KSSN iHeartMedia 6.3 (4) - 5.6 (4) - 6.1 (4) KMJX iHeartMedia Cl. Country 5.7 (5) - 5.2 (6) - 4.6 (6) |
| Springfield, MA (103) |
WRNX iHeartMedia 4.1 (6t) - 3.9 (5t) - 4.0 (4) |
| Toledo, OH (108) |
WKKO Cumulus 7.9 (1t) - 9.6 (1) - 10.5 (1) Largest share since Sept. 2023. WCKY iHeartMedia Classic Country 1.5 (11) - 1.3 (11t) - 1.1 (12) WMIM Cumulus 0.7 (13t) - 0.9 (13) - 0.9 (13) |