TRMM Rain Gauge Data Directory naming convention: [RAIN.YYYY.MM] File naming convention: KSCmmYYYYMM.RAW YYYY = 4 digit year (1960-2059) MM = 2 digit month (00-12) mm = 2 digit mill number (00-34) All times are represented in GMT format. File attributes: 38 byte fixed-length ascii records. File contents: a month's worth of rain gauge data. Record structure: Byte Byte Offset Count Description ------ ----- ------------------------------ 1 1 Space ( ) 2 4 Year (1960-2059) 6 3 Day of the year (001-365) 9 1 Space ( ) 10 2 Hour (00-23) 12 1 Colon (:) 13 2 Minutes (00-59) 15 1 Colon (:) 16 2 Seconds (00-59) 18 1 Period (.) 19 3 Milliseconds (always 000) 22 1 Space ( ) 23 16 Inches rained since last tip (>0.00) See http://trmm.ksc.nasa.gov/geodetic.htm for locations of rain gauges.