datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,07 0:30:00,25 ,       0,389.2174,35.77144,85.54593
sgpcmbeC1.c1,1997,07 1:30:00,25 ,       0,98.26662,13.97406,23.71053
sgpcmbeC1.c1,1997,07 2:30:00,25 ,       0,372.3121,27.50103, 76.5968
sgpcmbeC1.c1,1997,07 3:30:00,25 ,       0,381.0722,29.91675,79.09056
sgpcmbeC1.c1,1997,07 4:30:00,25 ,       0,290.1133,32.05669,62.22305
sgpcmbeC1.c1,1997,07 5:30:00,25 ,       0,461.2196,33.73268,92.88012
sgpcmbeC1.c1,1997,07 6:30:00,25 ,       0,232.7746,18.19737,46.72214
sgpcmbeC1.c1,1997,07 7:30:00,25 ,       0,121.8927,16.31263,28.96697
sgpcmbeC1.c1,1997,07 8:30:00,25 ,       0,257.0291,32.84824,69.45529
sgpcmbeC1.c1,1997,07 9:30:00,25 ,       0,436.5964,32.15247,94.24877
sgpcmbeC1.c1,1997,0710:30:00,26 ,       0,353.8784,32.56338,79.61224
sgpcmbeC1.c1,1997,0711:30:00,26 ,       0,98.37341, 13.5625,24.87256
sgpcmbeC1.c1,1997,0712:30:00,26 ,       0,209.4882,26.77178,55.91642
sgpcmbeC1.c1,1997,0713:30:00,25 ,       0,68.96688,10.92426,18.05836
sgpcmbeC1.c1,1997,0714:30:00,22 ,       0,80.14284,13.60527,24.62986
sgpcmbeC1.c1,1997,0715:30:00,24 ,       0,62.79885, 6.87003,13.46246
sgpcmbeC1.c1,1997,0716:30:00,25 ,       0,208.6042,19.92701,48.65019
sgpcmbeC1.c1,1997,0717:30:00,26 ,       0,158.5176,18.83485,40.20093
sgpcmbeC1.c1,1997,0718:30:00,26 ,       0,111.2122,10.95747,21.54361
sgpcmbeC1.c1,1997,0719:30:00,26 ,       0,228.0164,17.29758,46.69264
sgpcmbeC1.c1,1997,0720:30:00,27 ,       0,352.1177,23.23817,67.30182
sgpcmbeC1.c1,1997,0721:30:00,27 ,       0,151.5416,19.68349,36.70367
sgpcmbeC1.c1,1997,0722:30:00,27 ,       0,240.6782,37.54926,68.94594
sgpcmbeC1.c1,1997,0723:30:00,27 ,       0,475.4177,64.12557,135.4887