datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,12 0:30:00,31 ,0.157785,28.26748,2.589096,5.206453
sgpcmbeC1.c1,2002,12 1:30:00,31 ,0.170214,25.22334,2.696214,4.818642
sgpcmbeC1.c1,2002,12 2:30:00,31 ,0.311758,26.94303, 3.34456,5.641539
sgpcmbeC1.c1,2002,12 3:30:00,31 ,0.335268,20.46045,3.034384,4.776352
sgpcmbeC1.c1,2002,12 4:30:00,31 ,0.163473,20.26907,3.602245,5.034839
sgpcmbeC1.c1,2002,12 5:30:00,31 ,0.221982,29.84586, 3.33355,5.618146
sgpcmbeC1.c1,2002,12 6:30:00,31 ,0.245679,38.50304, 3.77218,7.806483
sgpcmbeC1.c1,2002,12 7:30:00,31 , 0.22693,9.209162,1.739223,2.189448
sgpcmbeC1.c1,2002,12 8:30:00,31 ,0.216935,18.98676,2.448874,4.641325
sgpcmbeC1.c1,2002,12 9:30:00,31 ,0.223132,19.28318,3.090124,4.422764
sgpcmbeC1.c1,2002,1210:30:00,31 ,0.287396,18.48771,2.638658,3.510225
sgpcmbeC1.c1,2002,1211:30:00,31 ,0.230521,16.45481, 2.78725,3.632697
sgpcmbeC1.c1,2002,1212:30:00,31 ,0.399378,13.32168,2.422342,2.605709
sgpcmbeC1.c1,2002,1213:30:00,31 ,0.331234,14.87936,3.012658,3.888529
sgpcmbeC1.c1,2002,1214:30:00,31 ,0.391057,24.27264,3.643793,6.044419
sgpcmbeC1.c1,2002,1215:30:00,31 ,0.251768,28.95078,2.903731,5.581381
sgpcmbeC1.c1,2002,1216:30:00,31 ,0.309547,12.71905,2.439155,2.926103
sgpcmbeC1.c1,2002,1217:30:00,31 ,0.246676,23.17998,3.559936,5.554366
sgpcmbeC1.c1,2002,1218:30:00,31 ,0.328121,17.93931,2.965006,4.507335
sgpcmbeC1.c1,2002,1219:30:00,31 , 0.20282,10.90898,2.510981,2.778378
sgpcmbeC1.c1,2002,1220:30:00,31 ,0.251652,23.14274, 2.71889, 4.59569
sgpcmbeC1.c1,2002,1221:30:00,31 ,0.275963,28.13606,3.880887,6.780054
sgpcmbeC1.c1,2002,1222:30:00,31 ,0.247596,28.59325,3.290526, 5.95239
sgpcmbeC1.c1,2002,1223:30:00,31 , 0.16301, 15.2468,3.107779,4.348924