datastream, year, month, tod,n, min, max, mean, std sgpcmbeC1.c1,2003,02 0:30:00,28 , 0,0.009192,0.000328,0.001737 sgpcmbeC1.c1,2003,02 1:30:00,28 , 0,0.041411,0.001757, 0.00791 sgpcmbeC1.c1,2003,02 2:30:00,28 , 0,0.190259,0.010191,0.039258 sgpcmbeC1.c1,2003,02 3:30:00,28 , 0,0.137592,0.005681,0.026091 sgpcmbeC1.c1,2003,02 4:30:00,28 , 0,0.127756, 0.00539,0.024322 sgpcmbeC1.c1,2003,02 5:30:00,28 , 0, 0, 0, 0 sgpcmbeC1.c1,2003,02 6:30:00,28 , 0,0.099815,0.003658,0.018849 sgpcmbeC1.c1,2003,02 7:30:00,28 ,0.344521,22.59858,6.990483,6.151973 sgpcmbeC1.c1,2003,02 8:30:00,28 ,1.432051,46.98833,14.45429,11.70747 sgpcmbeC1.c1,2003,02 9:30:00,28 ,0.862671,50.30124,19.60846,12.75547 sgpcmbeC1.c1,2003,0210:30:00,28 ,1.636718,107.9666, 21.1264,24.45295 sgpcmbeC1.c1,2003,0211:30:00,28 ,2.056936, 47.112,17.06859,13.29214 sgpcmbeC1.c1,2003,0212:30:00,28 ,0.852388,52.96999,18.32783,16.97196 sgpcmbeC1.c1,2003,0213:30:00,28 , 1.52661,53.33481,17.45127,14.33861 sgpcmbeC1.c1,2003,0214:30:00,28 ,1.906788,58.97661,19.94595,15.84336 sgpcmbeC1.c1,2003,0215:30:00,28 ,2.534449,50.62525,19.56113,12.36509 sgpcmbeC1.c1,2003,0216:30:00,28 ,0.555144,79.96546,18.07794,16.18242 sgpcmbeC1.c1,2003,0217:30:00,28 ,0.961048,60.19292,13.08362,12.17915 sgpcmbeC1.c1,2003,0218:30:00,28 , 0, 6.02605,1.143108,1.932125 sgpcmbeC1.c1,2003,0219:30:00,28 , 0,0.051309,0.001832,0.009696 sgpcmbeC1.c1,2003,0220:30:00,28 , 0, 0, 0, 0 sgpcmbeC1.c1,2003,0221:30:00,28 , 0,0.636405,0.022729,0.120269 sgpcmbeC1.c1,2003,0222:30:00,28 , 0,0.151625,0.005415,0.028654 sgpcmbeC1.c1,2003,0223:30:00,28 , 0, 0, 0, 0