datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,02 0:30:00,19 ,0.449917,271.7847,20.13358,61.52576
sgpcmbeC1.c1,2006,02 1:30:00,19 ,0.414423,272.9799,21.37236,62.17872
sgpcmbeC1.c1,2006,02 2:30:00,17 ,0.063813,68.95683,9.114609,17.07789
sgpcmbeC1.c1,2006,02 3:30:00,17 , 0.19912,68.20428,12.66825,18.83088
sgpcmbeC1.c1,2006,02 4:30:00,17 , 0.06744,84.10558,15.46416,26.65331
sgpcmbeC1.c1,2006,02 5:30:00,17 , 0.10367,70.44488, 11.6169, 20.6175
sgpcmbeC1.c1,2006,02 6:30:00,17 ,0.132797,61.25758,9.844136,15.81776
sgpcmbeC1.c1,2006,02 7:30:00,17 ,0.049007,79.63046,9.572415,19.36321
sgpcmbeC1.c1,2006,02 8:30:00,18 ,       0, 71.0204,7.328646,16.96374
sgpcmbeC1.c1,2006,02 9:30:00,20 ,       0,42.63445,9.368499,13.32509
sgpcmbeC1.c1,2006,0210:30:00,20 ,0.000322,92.73402,11.78407,21.69276
sgpcmbeC1.c1,2006,0211:30:00,20 ,0.025032, 117.378,12.35899,27.87189
sgpcmbeC1.c1,2006,0212:30:00,20 , 0.09122,116.3064,11.56507,27.25559
sgpcmbeC1.c1,2006,0213:30:00,20 ,0.102425,135.8972,11.23057,30.90908
sgpcmbeC1.c1,2006,0214:30:00,19 ,0.063311,137.2507,10.78343,31.23954
sgpcmbeC1.c1,2006,0215:30:00,19 ,0.027712,119.4562,10.60938, 27.7959
sgpcmbeC1.c1,2006,0216:30:00,19 ,0.029758,160.6679,13.50638,36.71617
sgpcmbeC1.c1,2006,0217:30:00,19 ,0.023422,130.9654,11.62278,29.71467
sgpcmbeC1.c1,2006,0218:30:00,18 ,0.714903,98.01633,14.16863,25.56692
sgpcmbeC1.c1,2006,0219:30:00,18 ,0.703888,102.7213,15.97203,29.99861
sgpcmbeC1.c1,2006,0220:30:00,18 ,0.380926, 138.594,15.24962,33.13546
sgpcmbeC1.c1,2006,0221:30:00,18 ,0.612499,159.9955,14.29202, 36.9834
sgpcmbeC1.c1,2006,0222:30:00,18 ,0.371475,155.6367,12.71102,35.85443
sgpcmbeC1.c1,2006,0223:30:00,18 ,0.891045,223.8112,17.38323, 51.9347