datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,03 0:30:00,30 ,0.268824, 3.60604,1.935403,0.995793
sgpcmbeC1.c1,2007,03 1:30:00,30 ,0.292763,3.952751,1.885859,0.984126
sgpcmbeC1.c1,2007,03 2:30:00,30 , 0.30501,3.889924,1.862584,0.993228
sgpcmbeC1.c1,2007,03 3:30:00,30 ,0.300655,3.589258,1.838271,0.978659
sgpcmbeC1.c1,2007,03 4:30:00,30 ,0.331698,4.294543,1.857586,1.027179
sgpcmbeC1.c1,2007,03 5:30:00,30 ,0.337138,5.993386,2.012471,1.362547
sgpcmbeC1.c1,2007,03 6:30:00,30 ,0.327025,6.628336,2.039981,1.415594
sgpcmbeC1.c1,2007,03 7:30:00,30 ,0.367499,6.071643, 2.03873,1.328546
sgpcmbeC1.c1,2007,03 8:30:00,30 ,0.314164,6.146429,1.996859,1.257774
sgpcmbeC1.c1,2007,03 9:30:00,30 , 0.29984,4.382084,2.005639,1.201908
sgpcmbeC1.c1,2007,0310:30:00,31 ,0.320815,6.516257,2.128969,1.431911
sgpcmbeC1.c1,2007,0311:30:00,31 ,0.332086,6.261216,2.226112,1.603889
sgpcmbeC1.c1,2007,0312:30:00,31 ,0.378042,5.900086,2.164072,1.432424
sgpcmbeC1.c1,2007,0313:30:00,31 ,0.350203,5.883863,2.145044,1.358651
sgpcmbeC1.c1,2007,0314:30:00,31 , 0.32431,6.818172,2.222089,1.497748
sgpcmbeC1.c1,2007,0315:30:00,31 ,0.297767,6.786624,2.316963,1.574118
sgpcmbeC1.c1,2007,0316:30:00,31 ,0.270939,6.497324,2.229123,1.377303
sgpcmbeC1.c1,2007,0317:30:00,31 ,0.273566,6.793581,2.173416,1.296603
sgpcmbeC1.c1,2007,0318:30:00,31 , 0.29994,6.775941,2.164157, 1.27422
sgpcmbeC1.c1,2007,0319:30:00,31 ,0.314111,4.845216,2.133747,1.141798
sgpcmbeC1.c1,2007,0320:30:00,31 ,0.325974, 7.35298,2.129983,1.346994
sgpcmbeC1.c1,2007,0321:30:00,31 ,0.310479,6.858624,2.119942,1.337081
sgpcmbeC1.c1,2007,0322:30:00,30 ,0.271632,6.670244,2.058849,1.287574
sgpcmbeC1.c1,2007,0323:30:00,30 ,0.262727,4.809619,2.033761, 1.13183