Precipitation for Columbia/GISS regional model.

Names of files:
pr.GISS.(SOURCE).(MONTH).(YEAR)
prdai.GISS.(SOURCE).(MONTH).(YEAR)
prday.GISS.(SOURCE).(MONTH).(YEAR)
 
Where:


pr is the accumulated precipitation (mm) for the month over  
         the entire domain, (35W to 35E, 20W to 35N). 


prdai is the daily precipitation (mm/day)for the entire domain,
         (35W to 35E, 20W to 35N). 

prday is the daily precipitation (mm/day), (20W to 30E, 0 to 35N). 

SOURCE is the source of boundary forcings.

MONTH is the month (MAY, JUN, JUL, AUG, SEP and OCT;  30-day month).

YEAR is the year (2000, 2003, 2004 and 2005).

Format of the data: Binary