datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,11 0:30:00,27 ,       0,423.0267,25.78487,83.68605
sgpcmbeC1.c1,2002,11 1:30:00,27 ,       0,247.7052,18.41742,53.55675
sgpcmbeC1.c1,2002,11 2:30:00,27 ,       0,118.7023,11.88578, 29.8595
sgpcmbeC1.c1,2002,11 3:30:00,27 ,       0,244.3911,14.52901,48.08069
sgpcmbeC1.c1,2002,11 4:30:00,27 ,       0,369.8412,19.42742,70.62186
sgpcmbeC1.c1,2002,11 5:30:00,27 ,       0,71.38165, 9.32347,18.33375
sgpcmbeC1.c1,2002,11 6:30:00,27 ,       0,113.4107,9.237892,22.97826
sgpcmbeC1.c1,2002,11 7:30:00,27 ,       0, 237.918,14.89623,46.25319
sgpcmbeC1.c1,2002,11 8:30:00,27 ,       0,192.9536,13.98283,40.27872
sgpcmbeC1.c1,2002,11 9:30:00,30 ,       0,318.6629,19.69006, 61.2514
sgpcmbeC1.c1,2002,1110:30:00,30 ,       0,221.1742, 13.7201,41.17861
sgpcmbeC1.c1,2002,1111:30:00,30 ,       0,148.6134,13.34754,32.38635
sgpcmbeC1.c1,2002,1112:30:00,30 ,       0, 81.8136,9.436298, 19.4052
sgpcmbeC1.c1,2002,1113:30:00,29 ,       0,87.08769,10.40558,21.24656
sgpcmbeC1.c1,2002,1114:30:00,28 ,       0,182.0499,14.18829,39.00253
sgpcmbeC1.c1,2002,1115:30:00,27 ,       0,183.1897,12.21277,35.56509
sgpcmbeC1.c1,2002,1116:30:00,27 ,       0, 143.036,13.92523,36.46382
sgpcmbeC1.c1,2002,1117:30:00,27 ,0.064591, 85.6606,9.096749,22.22276
sgpcmbeC1.c1,2002,1118:30:00,27 ,0.119148,183.2686,10.19695,35.40201
sgpcmbeC1.c1,2002,1119:30:00,27 ,0.063766,62.79646,5.828177,13.74742
sgpcmbeC1.c1,2002,1120:30:00,27 ,       0,75.62679,7.495529, 18.0998
sgpcmbeC1.c1,2002,1121:30:00,27 ,       0,61.17749,5.295269,12.98169
sgpcmbeC1.c1,2002,1122:30:00,27 ,       0,66.90588,7.193232,17.66907
sgpcmbeC1.c1,2002,1123:30:00,27 ,       0,85.01287,8.229467,20.84282