WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000745338
<NAME> MONTEREY MUTUAL FUND
<SERIES>
<NUMBER> 9
<NAME> PIA TOTAL RETURN BOND FUND
<MULTIPLIER> 1
<S> <C>
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<PERIOD-END> MAY-31-2000
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<SHARES-REINVESTED> 34948
<NET-CHANGE-IN-ASSETS> (656996)
<ACCUMULATED-NII-PRIOR> 7241
<ACCUMULATED-GAINS-PRIOR> (526006)
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<PER-SHARE-NAV-BEGIN> 18.92
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<PER-SHARE-NAV-END> 18.44
<EXPENSE-RATIO> .40
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
