datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,11 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,11 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,11 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,11 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,11 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,11 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,11 6:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,11 7:30:00,30 ,0.012409,0.999319, 0.74835, 0.37239
sgpcmbeC1.c1,2004,11 8:30:00,30 ,0.011196,0.999983,0.787269,0.386277
sgpcmbeC1.c1,2004,11 9:30:00,30 ,0.008975,0.999996,0.727644,0.417268
sgpcmbeC1.c1,2004,1110:30:00,30 ,0.008644,       1, 0.72185,0.428217
sgpcmbeC1.c1,2004,1111:30:00,30 ,0.010806,       1,0.704862,0.412187
sgpcmbeC1.c1,2004,1112:30:00,30 ,0.016148,0.999937,0.699714,0.421203
sgpcmbeC1.c1,2004,1113:30:00,30 ,0.013695,0.999882,0.736252,0.405428
sgpcmbeC1.c1,2004,1114:30:00,30 ,0.010395,0.999173,0.721007,0.399346
sgpcmbeC1.c1,2004,1115:30:00,30 ,0.007865,0.997348,0.683707,0.434411
sgpcmbeC1.c1,2004,1116:30:00,30 ,0.011577,0.988682,0.672858,0.427393
sgpcmbeC1.c1,2004,1117:30:00,2 , 0.02865,0.994198,0.511424,0.682745
sgpcmbeC1.c1,2004,1118:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,1119:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,1120:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,1121:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,1122:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,1123:30:00,0 ,       .,       .,       .,       .