datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,12 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,12 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,12 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,12 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,12 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,12 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,12 6:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,12 7:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,12 8:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,12 9:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,1210:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,1211:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,1212:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,1213:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,1214:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,1215:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,1216:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,1217:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,1218:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,1219:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,1220:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,1221:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,1222:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1997,1223:30:00,0 ,       .,       .,       .,       .