datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,09 0:30:00,30 ,       0,3692.532, 163.385,684.6746
sgpcmbeC1.c1,2006,09 1:30:00,30 ,       0,1106.145,61.06263,202.7777
sgpcmbeC1.c1,2006,09 2:30:00,30 ,       0,474.0512,50.86657, 112.553
sgpcmbeC1.c1,2006,09 3:30:00,30 ,       0,505.8177,46.45267,110.0553
sgpcmbeC1.c1,2006,09 4:30:00,30 ,       0,840.8893,58.92819,169.7633
sgpcmbeC1.c1,2006,09 5:30:00,30 ,       0,601.4828, 43.8329,132.1732
sgpcmbeC1.c1,2006,09 6:30:00,30 ,       0,1233.328,70.17897,242.9749
sgpcmbeC1.c1,2006,09 7:30:00,30 ,       0,2561.349,114.1113, 467.522
sgpcmbeC1.c1,2006,09 8:30:00,30 ,       0,1888.305,117.4433,373.7668
sgpcmbeC1.c1,2006,09 9:30:00,30 ,       0,415.1578,37.63815, 87.6489
sgpcmbeC1.c1,2006,0910:30:00,30 ,       0,384.4861, 31.3375,79.82632
sgpcmbeC1.c1,2006,0911:30:00,30 ,       0,163.5117,21.39345,36.05348
sgpcmbeC1.c1,2006,0912:30:00,30 ,       0,263.2149, 35.0167,66.01612
sgpcmbeC1.c1,2006,0913:30:00,30 ,       0,164.6887,21.14473, 36.6416
sgpcmbeC1.c1,2006,0914:30:00,30 ,       0,178.6699,23.38724,42.15682
sgpcmbeC1.c1,2006,0915:30:00,30 ,       0,244.2695,26.17182, 57.2715
sgpcmbeC1.c1,2006,0916:30:00,30 ,       0,99.02486,14.10642,25.75581
sgpcmbeC1.c1,2006,0917:30:00,30 ,       0,63.37724,10.63201,14.59667
sgpcmbeC1.c1,2006,0918:30:00,30 ,       0,  50.149,9.412596,12.82635
sgpcmbeC1.c1,2006,0919:30:00,30 ,       0,127.8479,15.46308,30.06013
sgpcmbeC1.c1,2006,0920:30:00,30 ,       0,552.5158,30.77732,100.6524
sgpcmbeC1.c1,2006,0921:30:00,30 ,       0,4590.929,169.1711,835.8775
sgpcmbeC1.c1,2006,0922:30:00,30 ,       0,2874.859,121.5651,528.5866
sgpcmbeC1.c1,2006,0923:30:00,30 ,       0,3199.367,115.3649,582.6372