datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2000,03 0:30:00,31 ,0.491622, 12.4787,5.921901,3.915151 twpcmbeC2.c1,2000,03 1:30:00,31 ,0.500447,18.93584,6.938627,5.496086 twpcmbeC2.c1,2000,03 2:30:00,31 ,0.391475,11.67787,5.385686,3.091416 twpcmbeC2.c1,2000,03 3:30:00,31 , 0.41865,18.71062,7.425014, 4.90138 twpcmbeC2.c1,2000,03 4:30:00,31 ,1.300316,15.43407,6.769545,3.892579 twpcmbeC2.c1,2000,03 5:30:00,30 ,0.640193,16.12814,4.840504,3.554551 twpcmbeC2.c1,2000,03 6:30:00,30 , 0.28323,18.66908,5.774717,4.620223 twpcmbeC2.c1,2000,03 7:30:00,30 ,0.467678, 13.6362,5.688491,3.468226 twpcmbeC2.c1,2000,03 8:30:00,31 , 0.83841,12.77115, 5.34431,3.096374 twpcmbeC2.c1,2000,03 9:30:00,31 ,0.837531,17.77603,4.547966, 3.39103 twpcmbeC2.c1,2000,0310:30:00,31 ,1.989396,13.16778,5.026468,3.043886 twpcmbeC2.c1,2000,0311:30:00,31 ,1.028009,13.77927,3.847009,2.639885 twpcmbeC2.c1,2000,0312:30:00,31 ,1.202063,11.27497,4.078069,2.143023 twpcmbeC2.c1,2000,0313:30:00,31 ,0.928081,17.65138,4.797788,3.507235 twpcmbeC2.c1,2000,0314:30:00,31 , 0.78444,14.20142,5.122675,3.180385 twpcmbeC2.c1,2000,0315:30:00,31 ,0.937263,10.33915,5.204486,2.434199 twpcmbeC2.c1,2000,0316:30:00,31 ,0.771339,17.76048,4.598549,3.532597 twpcmbeC2.c1,2000,0317:30:00,31 , 0.55034, 15.9896,5.044673,4.240436 twpcmbeC2.c1,2000,0318:30:00,31 ,0.471577,15.15515,4.864657, 3.97867 twpcmbeC2.c1,2000,0319:30:00,31 ,0.448494,11.42154,4.557061,3.402256 twpcmbeC2.c1,2000,0320:30:00,31 ,0.241089,12.98018,4.062842,3.776561 twpcmbeC2.c1,2000,0321:30:00,31 , 0.21375,15.62502,4.536005,4.476137 twpcmbeC2.c1,2000,0322:30:00,31 , 0.32852,15.87027,3.881329,4.145427 twpcmbeC2.c1,2000,0323:30:00,31 ,0.566822,18.17693,5.962149,4.966182