datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,09 0:30:00,26 ,       0,68.04995,6.793505,15.16912
sgpcmbeC1.c1,2002,09 1:30:00,26 ,       0,66.47781, 9.43904,18.74597
sgpcmbeC1.c1,2002,09 2:30:00,26 ,       0,319.9814,19.97558,63.44181
sgpcmbeC1.c1,2002,09 3:30:00,26 ,       0,506.7149,28.39329,100.2594
sgpcmbeC1.c1,2002,09 4:30:00,26 ,       0,883.0066,44.58754,172.7282
sgpcmbeC1.c1,2002,09 5:30:00,24 ,       0,64.10342,10.33992,19.97605
sgpcmbeC1.c1,2002,09 6:30:00,24 ,       0, 47.6745,8.455634,15.34829
sgpcmbeC1.c1,2002,09 7:30:00,27 ,       0,761.2827,45.74932, 158.748
sgpcmbeC1.c1,2002,09 8:30:00,27 ,       0,302.2533,19.48353,59.90744
sgpcmbeC1.c1,2002,09 9:30:00,27 ,       0, 208.516,15.14592,40.68053
sgpcmbeC1.c1,2002,0910:30:00,27 ,       0,136.1038, 10.4325, 27.5888
sgpcmbeC1.c1,2002,0911:30:00,28 ,       0,255.4125,20.10725, 52.5419
sgpcmbeC1.c1,2002,0912:30:00,28 ,       0,207.5247,17.11772,40.17919
sgpcmbeC1.c1,2002,0913:30:00,27 ,       0,278.9502, 17.2489,53.74846
sgpcmbeC1.c1,2002,0914:30:00,28 ,       0,237.8502,18.75678,50.29488
sgpcmbeC1.c1,2002,0915:30:00,27 ,       0,553.9712,26.27873,106.1483
sgpcmbeC1.c1,2002,0916:30:00,27 ,       0,547.0681,26.93486,104.9294
sgpcmbeC1.c1,2002,0917:30:00,27 ,       0,116.7193,9.454958,22.70095
sgpcmbeC1.c1,2002,0918:30:00,27 ,       0,211.2911,21.53097,50.02702
sgpcmbeC1.c1,2002,0919:30:00,25 ,       0,96.33562,10.21058,23.08665
sgpcmbeC1.c1,2002,0920:30:00,26 ,       0,209.2734,14.33559, 41.3977
sgpcmbeC1.c1,2002,0921:30:00,27 ,       0,556.5826,26.23599,106.4727
sgpcmbeC1.c1,2002,0922:30:00,26 ,       0,67.17157,5.783817,15.04002
sgpcmbeC1.c1,2002,0923:30:00,26 ,       0,45.12378,6.690528,12.98942