datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,12 0:30:00,11 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 1:30:00,12 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 2:30:00,12 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 3:30:00,11 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 4:30:00,15 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 5:30:00,23 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 6:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,12 7:30:00,30 ,0.309333,9.793568, 4.31249,2.590691
sgpcmbeC1.c1,2000,12 8:30:00,30 ,9.357672,89.62517,43.27572,17.33376
sgpcmbeC1.c1,2000,12 9:30:00,30 ,31.47089, 213.835,102.1358,51.15259
sgpcmbeC1.c1,2000,1210:30:00,30 ,33.50185,330.4722,138.2477,74.97534
sgpcmbeC1.c1,2000,1211:30:00,29 ,37.92205,345.6502,163.0025,80.75792
sgpcmbeC1.c1,2000,1212:30:00,30 ,45.58794,387.7383,180.6284,97.15156
sgpcmbeC1.c1,2000,1213:30:00,29 , 31.4364,354.2145,164.5901,90.82785
sgpcmbeC1.c1,2000,1214:30:00,29 ,       0,292.6124,124.8729,74.55491
sgpcmbeC1.c1,2000,1215:30:00,29 ,13.54877,170.1873,82.12334,41.46231
sgpcmbeC1.c1,2000,1216:30:00,29 ,3.997893,86.56554,41.45619,17.22153
sgpcmbeC1.c1,2000,1217:30:00,29 ,       0,11.62774,3.182863,2.592936
sgpcmbeC1.c1,2000,1218:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1219:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1220:30:00,18 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1221:30:00,11 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1222:30:00,9 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,1223:30:00,13 ,       0,       0,       0,       0