datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,1998,04 0:30:00,21 ,0.181541,2.727232,1.015914,0.633815 twpcmbeC1.c1,1998,04 1:30:00,21 ,0.251415,1.973932, 0.99125,0.492533 twpcmbeC1.c1,1998,04 2:30:00,21 ,0.349381,3.166042,1.222467,0.783283 twpcmbeC1.c1,1998,04 3:30:00,21 ,0.207028,2.059809,0.906893,0.542155 twpcmbeC1.c1,1998,04 4:30:00,22 ,0.308474,1.796786,0.883662,0.487897 twpcmbeC1.c1,1998,04 5:30:00,22 , 0.37901,3.512362,1.047556, 0.6724 twpcmbeC1.c1,1998,04 6:30:00,22 ,0.456218,7.687997,3.181279,1.574597 twpcmbeC1.c1,1998,04 7:30:00,21 ,1.371358, 10.5555,5.702151,2.430605 twpcmbeC1.c1,1998,04 8:30:00,22 ,1.616082,11.21262,7.129106,2.723961 twpcmbeC1.c1,1998,04 9:30:00,22 ,0.569044,15.70144, 7.33574,3.686942 twpcmbeC1.c1,1998,0410:30:00,21 , 2.26577,29.57163,8.858887,6.173005 twpcmbeC1.c1,1998,0411:30:00,21 ,2.509206,14.55943,7.629841,3.932868 twpcmbeC1.c1,1998,0412:30:00,21 ,1.400091,14.27987,6.561085,3.111467 twpcmbeC1.c1,1998,0413:30:00,20 ,1.430218,11.51178,6.165848,3.049578 twpcmbeC1.c1,1998,0414:30:00,20 , 1.16904,26.61028,9.173489,6.698933 twpcmbeC1.c1,1998,0415:30:00,21 ,1.630693,14.07639,6.343391,3.633208 twpcmbeC1.c1,1998,0416:30:00,21 ,1.605514,15.56439,7.255946,3.966589 twpcmbeC1.c1,1998,0417:30:00,21 ,0.321472,12.95076,5.471197,3.372976 twpcmbeC1.c1,1998,0418:30:00,21 ,0.191872,2.937357,1.337694,0.756053 twpcmbeC1.c1,1998,0419:30:00,21 ,0.197143,2.318289,1.084287, 0.55638 twpcmbeC1.c1,1998,0420:30:00,21 ,0.303924,1.282162,0.743909,0.315594 twpcmbeC1.c1,1998,0421:30:00,19 ,0.463533,2.031227,0.987647,0.431251 twpcmbeC1.c1,1998,0422:30:00,20 ,0.182936,1.632805,0.863739,0.423429 twpcmbeC1.c1,1998,0423:30:00,20 ,0.377611,1.636662,0.873035,0.390693