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<br /> U. S. DEPARTMEPO:F COMMERCE WEATHER BUREAU COOPERATIVE STUDIES SECTI
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<br /> RAINFALL INTENS IT Y - DURATION-- FREQUENCY CURVES
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<br /> RALEIGH, NORTH CAROLINA
<br /> 1903-1943, 1945-1951
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<br /> I I 111111111111111
<br /> I 15. .0
<br /> 1111111111111111111 FREQUENCY ANALYSIS BY METHOD OF
<br /> . ii:1.-1111111111111115111111111111111111MMIMMAIII EXTREME VALUES, 'AFTER GUMBEL
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<br /> I —NOTE— • I 111111■1111111131■1■111
<br /> MI°.6 = THEG.E CURVES ARE BASED ON ANNUAL SERIES DATA. 1111MINNNIIIMIIIIIiiillilli
<br /> .‘5.::11L=,IL.;YE SS IS FOR RP.ATRuiR1 ANL p:REIF/010E5S UP TO YIELDS A f 1 sl G H AND
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<br /> , THE 2, 5 TO, AND 10-YEAR CURVES TO 'PARTIAL' SER/ES
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<br /> -I MULTIPLY INDICATED INTENSITIES ay 113, 1.04, AND 1.01,
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<br /> RESPECTIVELY. NO ADJUSTMENT IS REQUIRED FOR
<br /> LONGER RETURN PERIODS_
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