180 



ANNUAL REPORT SMITHSONIAN INSTITUTION, 1961 



was 1935 with 143.42 inches, and the driest year was 1930 with only 

 76.57 inches. February Avas the driest month of 1960 (0.95 inch) and 

 December the wettest (22.35 inches) . The maximum records for short 

 periods were: 5 minutes, 1.30 inches; 10 minutes, 1.65 inches; 1 hour, 

 4.11 inches; 2 hours, 6.33 inches; 24 hours, 10.87 inches. 



Table 2. — Comparison of 1959 and 1960 rainfall, Barro Colorado Island (inches) 



