datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,11 0:30:00,23 ,0.049141,580.8372,114.9408,157.4842
sgpcmbeC1.c1,2004,11 1:30:00,24 ,0.168126,1290.087,187.4436,302.5835
sgpcmbeC1.c1,2004,11 2:30:00,25 ,0.024687,1216.941,186.1054,305.3395
sgpcmbeC1.c1,2004,11 3:30:00,27 ,0.004256,1563.057,276.1867,452.2052
sgpcmbeC1.c1,2004,11 4:30:00,27 ,0.037057,1758.801,357.1602,521.3223
sgpcmbeC1.c1,2004,11 5:30:00,28 ,       0, 1616.18,322.2663,482.4073
sgpcmbeC1.c1,2004,11 6:30:00,26 ,0.031892,538.2214,130.5893,156.7285
sgpcmbeC1.c1,2004,11 7:30:00,26 ,0.247698,366.8052,102.5177, 103.717
sgpcmbeC1.c1,2004,11 8:30:00,27 , 0.00969,1324.151, 175.189,280.9701
sgpcmbeC1.c1,2004,11 9:30:00,27 ,       0,1208.362,169.6352, 272.467
sgpcmbeC1.c1,2004,1110:30:00,27 ,       0,1065.231,155.9905,257.7739
sgpcmbeC1.c1,2004,1111:30:00,27 ,       0,815.7292,135.4727,211.7437
sgpcmbeC1.c1,2004,1112:30:00,26 ,       0, 1383.42,158.7458,314.6512
sgpcmbeC1.c1,2004,1113:30:00,25 ,       0,1893.237,155.1956,380.6324
sgpcmbeC1.c1,2004,1114:30:00,24 ,       0,1445.654,163.0919,315.1761
sgpcmbeC1.c1,2004,1115:30:00,24 ,       0,889.0812,143.5753,236.3501
sgpcmbeC1.c1,2004,1116:30:00,24 ,       0,782.3529,134.1766,200.7592
sgpcmbeC1.c1,2004,1117:30:00,24 ,       0,1675.606,281.4983,485.5337
sgpcmbeC1.c1,2004,1118:30:00,25 , 0.01258,1493.302,257.2893,472.0271
sgpcmbeC1.c1,2004,1119:30:00,24 ,0.001276,796.1194,117.2045,203.2079
sgpcmbeC1.c1,2004,1120:30:00,25 ,       0,  1242.6,145.4585, 286.417
sgpcmbeC1.c1,2004,1121:30:00,25 ,       0,1173.067,152.7074,291.8816
sgpcmbeC1.c1,2004,1122:30:00,24 ,       0,1146.341,136.0641,260.3529
sgpcmbeC1.c1,2004,1123:30:00,23 ,0.003932,567.3127,87.35013,137.4796