There is sort of:
http://cach.catcoin.cz/index.php?page=statistics&action=poolwhich should give you idea about current performance (i.e. you see how many coins per day you approximately get with current hashrate).
If you want some mining stats from past (i.e. with hashrate of X, today I get A coins, yesterday B coins, day before C coins), I am afraid that won't be so easy (not sure if there are data in the pool database for accurate calculation of such statistics), but I can look at it and see how hard that would be and how accurate results would that yield.