datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,12 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,12 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,12 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,12 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,12 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,12 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,12 6:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,12 7:30:00,3 ,0.000604, 0.99938,0.334843, 0.57551
sgpcmbeC1.c1,2007,12 8:30:00,3 ,0.002628,0.999424,0.632685, 0.54809
sgpcmbeC1.c1,2007,12 9:30:00,3 ,0.000973,0.999998,0.666855,0.576671
sgpcmbeC1.c1,2007,1210:30:00,3 ,0.004017,0.999964, 0.60813,0.530825
sgpcmbeC1.c1,2007,1211:30:00,3 ,0.001101,0.999679,0.352079,0.561496
sgpcmbeC1.c1,2007,1212:30:00,3 , 0.00064,0.999744,0.334312,0.576282
sgpcmbeC1.c1,2007,1213:30:00,3 , 0.00136,0.999737,0.334397,0.576201
sgpcmbeC1.c1,2007,1214:30:00,3 ,0.001192,0.999414,0.334366,0.575948
sgpcmbeC1.c1,2007,1215:30:00,3 ,0.003248,0.998694, 0.33729,0.572802
sgpcmbeC1.c1,2007,1216:30:00,3 ,0.002979,0.986193,0.331018,0.567399
sgpcmbeC1.c1,2007,1217:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1218:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1219:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1220:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1221:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1222:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2007,1223:30:00,0 ,       .,       .,       .,       .