datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,11 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,11 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,11 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,11 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,11 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,11 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,11 6:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,11 7:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,11 8:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,11 9:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,1110:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,1111:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,1112:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,1113:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,1114:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,1115:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,1116:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,1117:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,1118:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,1119:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,1120:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,1121:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,1122:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,1999,1123:30:00,0 ,       .,       .,       .,       .