datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,07 0:30:00,29 ,       0,45.63922,9.066718,10.88919
sgpcmbeC1.c1,2002,07 1:30:00,30 ,       0, 215.062,17.68227,41.02602
sgpcmbeC1.c1,2002,07 2:30:00,30 ,       0,45.83248,9.106106,10.49114
sgpcmbeC1.c1,2002,07 3:30:00,30 ,       0,34.84457,9.595046,9.597207
sgpcmbeC1.c1,2002,07 4:30:00,30 ,       0,114.1032,17.14647,25.79047
sgpcmbeC1.c1,2002,07 5:30:00,31 ,       0, 181.887,20.30626,36.95748
sgpcmbeC1.c1,2002,07 6:30:00,30 ,       0,135.5204,13.28737,26.85835
sgpcmbeC1.c1,2002,07 7:30:00,31 ,       0,204.0298,24.58082,48.16849
sgpcmbeC1.c1,2002,07 8:30:00,31 ,       0,548.6193,39.63481,103.8683
sgpcmbeC1.c1,2002,07 9:30:00,31 ,       0,320.5373,33.48363, 61.8855
sgpcmbeC1.c1,2002,0710:30:00,31 ,       0,563.9162,40.10287,104.9246
sgpcmbeC1.c1,2002,0711:30:00,30 ,       0,55.32442,16.41203,17.70789
sgpcmbeC1.c1,2002,0712:30:00,30 ,       0,203.6978,24.82966,39.00633
sgpcmbeC1.c1,2002,0713:30:00,30 ,       0,147.1571,28.05534,40.52246
sgpcmbeC1.c1,2002,0714:30:00,30 ,       0,231.0048,26.76294,45.49544
sgpcmbeC1.c1,2002,0715:30:00,31 ,       0,469.1685,33.68878,85.77318
sgpcmbeC1.c1,2002,0716:30:00,31 ,       0,304.8883,26.91159,54.98344
sgpcmbeC1.c1,2002,0717:30:00,31 ,       0,141.3458,18.46847,28.65177
sgpcmbeC1.c1,2002,0718:30:00,30 ,       0,52.89811,12.96202,15.11695
sgpcmbeC1.c1,2002,0719:30:00,31 ,       0,97.63693,16.66465, 23.9171
sgpcmbeC1.c1,2002,0720:30:00,31 ,       0,166.3532,22.49448,40.32008
sgpcmbeC1.c1,2002,0721:30:00,31 ,       0,154.6551,19.40281,38.13226
sgpcmbeC1.c1,2002,0722:30:00,31 ,       0,173.4676,16.57838,35.16186
sgpcmbeC1.c1,2002,0723:30:00,30 ,       0,189.4522,14.72966,35.37698