<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
MORGAN STANLEY DEAN WITTER CALIFORNIA TAX-FREE DAILY INCOME TRUST
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 283,520,558
<INVESTMENTS-AT-VALUE> 283,520,558
<RECEIVABLES> 1,816,784
<ASSETS-OTHER> 12,451
<OTHER-ITEMS-ASSETS> 590,441
<TOTAL-ASSETS> 285,940,234
<PAYABLE-FOR-SECURITIES> (12,459,618)
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> (100,022)
<TOTAL-LIABILITIES> (12,559,640)
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 273,387,543
<SHARES-COMMON-STOCK> 273,387,543
<SHARES-COMMON-PRIOR> 281,540,552
<ACCUMULATED-NII-CURRENT> 97
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (7,046)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 273,380,594
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 4,635,471
<OTHER-INCOME> 0
<EXPENSES-NET> (977,861)
<NET-INVESTMENT-INCOME> 3,657,610
<REALIZED-GAINS-CURRENT> (7,046)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 3,650,564
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (3,657,558)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 288,012,090
<NUMBER-OF-SHARES-REDEEMED> (299,822,657)
<SHARES-REINVESTED> 3,657,558
<NET-CHANGE-IN-ASSETS> (8,160,003)
<ACCUMULATED-NII-PRIOR> 45
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (695,237)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (985,118)
<AVERAGE-NET-ASSETS> 279,622,625
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.013
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> (0.013)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.71
</TABLE>
