datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2003,01 0:30:00,31 ,0.372597,14.72817, 3.53005,2.758204 twpcmbeC1.c1,2003,01 1:30:00,31 ,0.335347,15.97719,3.391747,3.596772 twpcmbeC1.c1,2003,01 2:30:00,31 ,0.302552,10.78686,2.910329,2.520773 twpcmbeC1.c1,2003,01 3:30:00,31 ,0.329627,13.55634,3.336251, 3.35417 twpcmbeC1.c1,2003,01 4:30:00,31 , 0.35562,11.78153,3.489846,3.076068 twpcmbeC1.c1,2003,01 5:30:00,31 ,0.270987,11.87515,3.449843, 3.22348 twpcmbeC1.c1,2003,01 6:30:00,31 ,0.526093,10.63563,3.285985,2.568478 twpcmbeC1.c1,2003,01 7:30:00,31 ,1.066462,8.535043,3.889417,2.086569 twpcmbeC1.c1,2003,01 8:30:00,31 ,0.526219,14.21775,5.321746,3.640296 twpcmbeC1.c1,2003,01 9:30:00,31 ,0.743554,13.13405,4.670844,3.247754 twpcmbeC1.c1,2003,0110:30:00,31 ,1.016902, 14.6818,5.241886,3.602599 twpcmbeC1.c1,2003,0111:30:00,31 ,1.161215,13.07968,5.561615, 3.37891 twpcmbeC1.c1,2003,0112:30:00,31 , 0.58062,14.07679,4.305591,3.184134 twpcmbeC1.c1,2003,0113:30:00,31 ,0.309533,12.25874,3.722095,2.920957 twpcmbeC1.c1,2003,0114:30:00,31 ,0.464333, 10.6815,4.062202,2.821298 twpcmbeC1.c1,2003,0115:30:00,31 , 0.63347,9.461775,3.940984,2.736742 twpcmbeC1.c1,2003,0116:30:00,31 ,0.457707,10.54438,4.299691,3.237568 twpcmbeC1.c1,2003,0117:30:00,31 ,0.408141,14.01007,3.717258,3.012506 twpcmbeC1.c1,2003,0118:30:00,31 ,0.308702,10.80462,3.857283, 3.08606 twpcmbeC1.c1,2003,0119:30:00,31 ,0.446685,9.462607,3.307877,2.736786 twpcmbeC1.c1,2003,0120:30:00,31 , 0.57722,11.44362,2.944556,2.771825 twpcmbeC1.c1,2003,0121:30:00,31 ,0.335303,9.344415,2.920248,2.226352 twpcmbeC1.c1,2003,0122:30:00,31 ,0.331183,10.70821,3.585613,2.768153 twpcmbeC1.c1,2003,0123:30:00,31 ,0.428089,6.106622,2.649544,1.601447