datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,01 0:30:00,29 ,       0,72.29969,6.450753, 17.9055
sgpcmbeC1.c1,2003,01 1:30:00,29 ,       0,79.21425, 6.40202,16.93748
sgpcmbeC1.c1,2003,01 2:30:00,28 ,       0,66.40098,7.876301,16.32551
sgpcmbeC1.c1,2003,01 3:30:00,28 ,       0,40.28463,4.000232,8.179295
sgpcmbeC1.c1,2003,01 4:30:00,28 ,       0,51.47145,4.922763,10.44013
sgpcmbeC1.c1,2003,01 5:30:00,28 ,       0, 43.2421,4.921334,9.958054
sgpcmbeC1.c1,2003,01 6:30:00,28 ,       0,36.07721,4.666945,8.723524
sgpcmbeC1.c1,2003,01 7:30:00,28 ,       0,23.11464,3.284723,6.019328
sgpcmbeC1.c1,2003,01 8:30:00,28 ,       0,38.14509,4.352687,8.794612
sgpcmbeC1.c1,2003,01 9:30:00,29 ,       0,95.14489,7.857974,19.44256
sgpcmbeC1.c1,2003,0110:30:00,29 ,       0,108.7138,9.451174,22.66524
sgpcmbeC1.c1,2003,0111:30:00,29 ,       0, 130.008,10.87731, 27.9691
sgpcmbeC1.c1,2003,0112:30:00,29 ,       0,26.16928,5.330373,7.748716
sgpcmbeC1.c1,2003,0113:30:00,29 ,       0, 34.2885,5.725306,8.493084
sgpcmbeC1.c1,2003,0114:30:00,29 ,       0,24.83564,5.407662,8.477293
sgpcmbeC1.c1,2003,0115:30:00,29 ,       0, 69.1992,9.045878,15.80612
sgpcmbeC1.c1,2003,0116:30:00,29 ,       0,56.06534,8.013479,13.75142
sgpcmbeC1.c1,2003,0117:30:00,29 ,       0,109.5173,9.398846,22.55636
sgpcmbeC1.c1,2003,0118:30:00,29 ,       0,202.6968,10.67738, 37.7257
sgpcmbeC1.c1,2003,0119:30:00,29 ,       0,289.1833,13.70791,  53.713
sgpcmbeC1.c1,2003,0120:30:00,29 ,       0,207.7372,10.23744,38.44051
sgpcmbeC1.c1,2003,0121:30:00,29 ,       0,  269.39,12.05576,49.67263
sgpcmbeC1.c1,2003,0122:30:00,29 ,       0,301.0324,13.92147, 55.8021
sgpcmbeC1.c1,2003,0123:30:00,29 ,       0,580.8732,22.93803,107.5213