datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,11 0:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,11 1:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,11 2:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,11 3:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,11 4:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,11 5:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,11 6:30:00,30 ,       0,1.016102,0.088974,0.229455
sgpcmbeC1.c1,2001,11 7:30:00,30 ,       0,74.67714,27.38096,21.64271
sgpcmbeC1.c1,2001,11 8:30:00,30 ,       0,242.8311, 135.021,72.40367
sgpcmbeC1.c1,2001,11 9:30:00,30 ,20.04433, 428.327,262.5272, 129.899
sgpcmbeC1.c1,2001,1110:30:00,30 ,51.33603,542.4284,359.5975,153.5981
sgpcmbeC1.c1,2001,1111:30:00,30 , 67.2038,617.3153,424.4952,187.4678
sgpcmbeC1.c1,2001,1112:30:00,30 ,89.23176,645.9667,429.0371,181.4787
sgpcmbeC1.c1,2001,1113:30:00,30 ,53.49252,597.3508,372.1191,174.5558
sgpcmbeC1.c1,2001,1114:30:00,30 ,71.59545,473.8288,314.8698,139.1473
sgpcmbeC1.c1,2001,1115:30:00,30 ,55.56683,349.2539,207.4101,93.59195
sgpcmbeC1.c1,2001,1116:30:00,30 , 3.22995,141.6435,86.15009, 39.0603
sgpcmbeC1.c1,2001,1117:30:00,30 ,       0,12.95421,5.130083,3.671841
sgpcmbeC1.c1,2001,1118:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1119:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1120:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1121:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1122:30:00,26 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1123:30:00,27 ,       0,       0,       0,       0