datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,06 0:30:00,28 ,       0,718.8987,28.26397,135.4083
sgpcmbeC1.c1,2006,06 1:30:00,28 ,       0,158.0636,9.315426,30.05183
sgpcmbeC1.c1,2006,06 2:30:00,29 ,       0, 284.109,21.50542,59.34894
sgpcmbeC1.c1,2006,06 3:30:00,29 ,       0,181.0296,17.48494,43.39226
sgpcmbeC1.c1,2006,06 4:30:00,28 ,       0,48.94749,7.752165,13.50698
sgpcmbeC1.c1,2006,06 5:30:00,28 ,       0,627.9305,43.56013,137.1779
sgpcmbeC1.c1,2006,06 6:30:00,26 ,       0,  795.69, 41.0971,156.0555
sgpcmbeC1.c1,2006,06 7:30:00,25 ,       0,114.2846,13.25585,29.93528
sgpcmbeC1.c1,2006,06 8:30:00,28 ,       0,332.5352,41.84337,  88.875
sgpcmbeC1.c1,2006,06 9:30:00,28 ,       0, 501.601, 48.3394,121.9193
sgpcmbeC1.c1,2006,0610:30:00,28 ,       0,560.7056,54.98406,150.8399
sgpcmbeC1.c1,2006,0611:30:00,28 ,       0,565.3416,38.29082,123.4806
sgpcmbeC1.c1,2006,0612:30:00,28 ,       0,384.3936,25.86549,82.83531
sgpcmbeC1.c1,2006,0613:30:00,28 ,       0, 89.7407,10.27231,22.71165
sgpcmbeC1.c1,2006,0614:30:00,28 ,       0,67.80578, 9.52235,17.37368
sgpcmbeC1.c1,2006,0615:30:00,29 ,       0,131.0466,13.51466,27.42297
sgpcmbeC1.c1,2006,0616:30:00,28 ,       0,27.63833,4.188381,6.550251
sgpcmbeC1.c1,2006,0617:30:00,29 ,       0,120.1536,7.281121,22.45552
sgpcmbeC1.c1,2006,0618:30:00,30 ,       0,26.56779,5.332196,7.945667
sgpcmbeC1.c1,2006,0619:30:00,30 ,       0,46.14836,4.865509,9.921542
sgpcmbeC1.c1,2006,0620:30:00,30 ,       0,209.5525,10.77355,38.03023
sgpcmbeC1.c1,2006,0621:30:00,30 ,       0,126.8603,10.08765,29.25914
sgpcmbeC1.c1,2006,0622:30:00,29 ,       0,45.66637,4.954559,10.35495
sgpcmbeC1.c1,2006,0623:30:00,28 ,       0,47.65624,5.018429,10.65202