what are its ratings?
It tied at 11th in affluence with several other shows.
30 Rock
A March 2007 report from "MAGNA Global", based on NMR data about viewership ranked by among adults 25–54, shows that as of the time of the report "30 Rock"s viewers have a median income of $65,000, high enough to place the show tied at 11th in affluence with several other shows.
what is when it rains, it pours (30 rock)? It is an episode of the  fifth season of the American television comedy series "30 Rock". when did the conception of this series started? 2002 how many seasons does it have? Seven seasons
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30 Rock [SEP] Ratings
A March 2007 report from "MAGNA Global", based on NMR data about viewership ranked by among adults 25–54, shows that as of the time of the report "30 Rock"s viewers have a median income of $65,000, high enough to place the show tied at 11th in affluence with several other shows. This is during a period where for the season "30 Rock" is tied at number 85 in the 18–49 demographic. During its second season, "30 Rock" ranked in fourth place, against all primetime programming, for television series which are watched by viewers with income above $100,000. Following Fey's popular impressions of Alaskan governor Sarah Palin on "Saturday Night Live", the third-season premiere was seen by 8.5 million viewers, making it the highest-viewed episode in the series.