datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,04 0:30:00,29 ,       0,166.3053,12.12664,31.76929
sgpcmbeC1.c1,2000,04 1:30:00,28 ,       0,309.0333, 22.1594,62.49795
sgpcmbeC1.c1,2000,04 2:30:00,28 ,       0,176.5474,20.66246,46.25634
sgpcmbeC1.c1,2000,04 3:30:00,27 ,       0,316.8488,31.45108,  79.428
sgpcmbeC1.c1,2000,04 4:30:00,27 ,       0,257.5632,26.54395, 60.6223
sgpcmbeC1.c1,2000,04 5:30:00,27 ,       0,349.8646,26.69676, 69.3498
sgpcmbeC1.c1,2000,04 6:30:00,26 ,       0,367.9396,25.18156, 73.1318
sgpcmbeC1.c1,2000,04 7:30:00,28 ,       0,78.56765,11.51035,19.17011
sgpcmbeC1.c1,2000,04 8:30:00,29 ,       0,324.0072, 23.3595,64.89694
sgpcmbeC1.c1,2000,04 9:30:00,29 ,       0,177.5206, 16.4595, 36.3063
sgpcmbeC1.c1,2000,0410:30:00,29 ,       0,329.8847,32.09639,81.69727
sgpcmbeC1.c1,2000,0411:30:00,29 ,       0,389.6396,36.54707,87.49362
sgpcmbeC1.c1,2000,0412:30:00,30 ,       0, 279.334,23.07278,54.80285
sgpcmbeC1.c1,2000,0413:30:00,30 ,       0,  250.79,28.26161,54.87494
sgpcmbeC1.c1,2000,0414:30:00,29 ,       0,324.6196,28.68489,65.46573
sgpcmbeC1.c1,2000,0415:30:00,29 ,       0, 108.476,17.99491,30.20979
sgpcmbeC1.c1,2000,0416:30:00,30 ,       0,195.2622,21.59206,43.11875
sgpcmbeC1.c1,2000,0417:30:00,30 ,       0, 146.162,20.54077,40.41088
sgpcmbeC1.c1,2000,0418:30:00,29 ,0.352675,179.3138, 15.3343,43.67299
sgpcmbeC1.c1,2000,0419:30:00,29 ,0.166138,211.6394,21.39525,55.19435
sgpcmbeC1.c1,2000,0420:30:00,28 ,       0,161.3299,17.15439,38.99742
sgpcmbeC1.c1,2000,0421:30:00,28 ,       0,272.7378,18.23624,54.28453
sgpcmbeC1.c1,2000,0422:30:00,28 ,       0,206.5515,14.33175,39.68111
sgpcmbeC1.c1,2000,0423:30:00,29 ,       0,216.9314,15.98174, 44.4914