datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,12 0:30:00,30 ,       0,1.712121,0.462696, 0.65329
sgpcmbeC1.c1,2005,12 1:30:00,30 ,       0,1.558569,0.306765,0.501968
sgpcmbeC1.c1,2005,12 2:30:00,30 ,       0,1.752489,0.379788,0.616337
sgpcmbeC1.c1,2005,12 3:30:00,29 ,       0,1.747783,0.587289,0.679304
sgpcmbeC1.c1,2005,12 4:30:00,31 ,       0,1.754118,0.410297,0.624769
sgpcmbeC1.c1,2005,12 5:30:00,31 ,       0,1.575276,0.381807,0.620363
sgpcmbeC1.c1,2005,12 6:30:00,31 ,       0,1.698223, 0.29519,0.585733
sgpcmbeC1.c1,2005,12 7:30:00,31 ,       0,21.90149,8.484479,5.772663
sgpcmbeC1.c1,2005,12 8:30:00,31 ,7.157789,67.43465,40.85953, 18.2595
sgpcmbeC1.c1,2005,12 9:30:00,31 ,6.116072,102.4589,44.12414,17.19307
sgpcmbeC1.c1,2005,1210:30:00,31 , 13.9111,119.6299,42.29334,23.12432
sgpcmbeC1.c1,2005,1211:30:00,30 ,7.120066,152.9936,33.23209, 34.0513
sgpcmbeC1.c1,2005,1212:30:00,31 ,2.167969,120.3217, 35.1521,37.99745
sgpcmbeC1.c1,2005,1213:30:00,31 ,6.425648,156.6766,45.06795, 40.6214
sgpcmbeC1.c1,2005,1214:30:00,31 ,4.669009,102.7156,37.77654,20.44044
sgpcmbeC1.c1,2005,1215:30:00,31 ,4.658864,69.83906, 39.4314,19.59293
sgpcmbeC1.c1,2005,1216:30:00,31 ,5.399994,59.01549,34.63744,16.80762
sgpcmbeC1.c1,2005,1217:30:00,31 ,       0, 12.1472,4.228797,3.324962
sgpcmbeC1.c1,2005,1218:30:00,31 ,       0,1.858461,0.432977,0.602745
sgpcmbeC1.c1,2005,1219:30:00,30 ,       0, 1.74016,0.437284,0.620716
sgpcmbeC1.c1,2005,1220:30:00,29 ,       0,1.697639,0.463426,0.632938
sgpcmbeC1.c1,2005,1221:30:00,30 ,       0,1.842838,0.421927,0.581242
sgpcmbeC1.c1,2005,1222:30:00,28 ,       0,1.692548,0.608608,0.715179
sgpcmbeC1.c1,2005,1223:30:00,30 ,       0,1.576538,0.513458,0.641046