datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,1999,03 0:30:00,31 ,0.797551,19.17613,5.540929,4.267062 twpcmbeC2.c1,1999,03 1:30:00,30 ,0.476512,14.83693,5.483237,4.010769 twpcmbeC2.c1,1999,03 2:30:00,31 ,0.556452,14.65991,6.646081,4.044844 twpcmbeC2.c1,1999,03 3:30:00,30 ,0.355827,18.14354,6.391726,4.263763 twpcmbeC2.c1,1999,03 4:30:00,31 ,0.727046,13.69373,6.020209,3.829874 twpcmbeC2.c1,1999,03 5:30:00,30 , 0.31627,16.60414,7.790571,4.985759 twpcmbeC2.c1,1999,03 6:30:00,31 ,0.192937,16.15639,6.985291,4.585948 twpcmbeC2.c1,1999,03 7:30:00,30 ,0.782603,16.36555,6.899575,4.615379 twpcmbeC2.c1,1999,03 8:30:00,30 ,0.872196,16.57674,5.741253,4.114065 twpcmbeC2.c1,1999,03 9:30:00,31 ,0.746276,15.73835,4.876043,3.788564 twpcmbeC2.c1,1999,0310:30:00,31 ,0.794927,10.16199, 4.29701,2.517351 twpcmbeC2.c1,1999,0311:30:00,31 ,0.917103,10.31422,4.756871,2.885795 twpcmbeC2.c1,1999,0312:30:00,31 ,1.875232,13.64191,5.400336,3.262579 twpcmbeC2.c1,1999,0313:30:00,31 ,1.097036,9.429691,4.475385,2.498137 twpcmbeC2.c1,1999,0314:30:00,31 ,0.853384,16.80953,4.666941,3.024968 twpcmbeC2.c1,1999,0315:30:00,31 ,1.184931,10.74137,4.504451,2.699449 twpcmbeC2.c1,1999,0316:30:00,31 ,1.395531, 13.5691,4.453075,2.930108 twpcmbeC2.c1,1999,0317:30:00,31 ,0.807376,17.60071,5.808204,4.684483 twpcmbeC2.c1,1999,0318:30:00,31 , 0.46668,13.20705,5.470529,3.967527 twpcmbeC2.c1,1999,0319:30:00,31 ,0.769934,15.20492,6.420877,4.440536 twpcmbeC2.c1,1999,0320:30:00,31 ,0.384927,17.32004,5.975919,4.972309 twpcmbeC2.c1,1999,0321:30:00,30 ,0.439887,15.82042, 4.50226,4.257961 twpcmbeC2.c1,1999,0322:30:00,30 ,0.234558,15.15637,4.406174,3.678193 twpcmbeC2.c1,1999,0323:30:00,30 ,0.462838,15.73598,5.381944,4.266804