<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000739243
<NAME> PAINEWEBBER MANAGED\MUNICIPAL TRUST
<SERIES>
<NUMBER> 1
<NAME> RMA CALIFORNIA MUNICIPAL MONEY FUND
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-START> JUL-01-1999
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 714316
<INVESTMENTS-AT-VALUE> 714316
<RECEIVABLES> 4623
<ASSETS-OTHER> 89
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 719028
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 626896
<TOTAL-LIABILITIES> 626896
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 626896
<SHARES-COMMON-STOCK> 626896
<SHARES-COMMON-PRIOR> 575767
<ACCUMULATED-NII-CURRENT> 24
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (254)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 626424
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 20677
<OTHER-INCOME> 0
<EXPENSES-NET> (4207)
<NET-INVESTMENT-INCOME> 16470
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 16470
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (16470)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3492171
<NUMBER-OF-SHARES-REDEEMED> (3457112)
<SHARES-REINVESTED> 16070
<NET-CHANGE-IN-ASSETS> 51129
<ACCUMULATED-NII-PRIOR> 24
<ACCUMULATED-GAINS-PRIOR> (257)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3007
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 4207
<AVERAGE-NET-ASSETS> 642410
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.026
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> (0.026)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.65
</TABLE>
