datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,12 0:30:00,29 ,0.196614,13.29365, 2.27274,3.289971
sgpcmbeC1.c1,2000,12 1:30:00,29 ,0.193313,6.680016,1.572047,1.614322
sgpcmbeC1.c1,2000,12 2:30:00,29 ,0.181855, 18.1935, 2.39787,  3.6141
sgpcmbeC1.c1,2000,12 3:30:00,30 ,0.183705,18.32805,2.947951,4.692952
sgpcmbeC1.c1,2000,12 4:30:00,30 ,0.158529, 16.6802,2.482479,3.706429
sgpcmbeC1.c1,2000,12 5:30:00,30 ,0.264749,15.87606,2.529462,4.186094
sgpcmbeC1.c1,2000,12 6:30:00,30 ,0.247591,29.49692,3.758578,6.020975
sgpcmbeC1.c1,2000,12 7:30:00,30 ,0.225344,30.14148,4.851184,8.354115
sgpcmbeC1.c1,2000,12 8:30:00,30 ,0.152714,21.03091,3.930979,5.686424
sgpcmbeC1.c1,2000,12 9:30:00,30 ,0.179319,30.56706,3.801911,6.141115
sgpcmbeC1.c1,2000,1210:30:00,30 ,0.327681,16.04344,4.523649,5.288431
sgpcmbeC1.c1,2000,1211:30:00,30 ,0.442934, 15.6568,4.093492,4.853262
sgpcmbeC1.c1,2000,1212:30:00,30 ,0.197567,12.72085,3.363955,3.481642
sgpcmbeC1.c1,2000,1213:30:00,29 ,0.432727,19.63398,4.278713,5.098372
sgpcmbeC1.c1,2000,1214:30:00,29 ,0.417232,27.61709,4.004938,6.272086
sgpcmbeC1.c1,2000,1215:30:00,29 ,0.315898,21.22791,3.328681,4.989397
sgpcmbeC1.c1,2000,1216:30:00,29 ,0.187515, 25.8828,4.320231,5.844558
sgpcmbeC1.c1,2000,1217:30:00,29 , 0.34151,20.89752,3.119989,4.667742
sgpcmbeC1.c1,2000,1218:30:00,29 ,0.226946,24.33024,4.532882, 6.87179
sgpcmbeC1.c1,2000,1219:30:00,29 ,0.244298,22.21253,3.746101,5.066815
sgpcmbeC1.c1,2000,1220:30:00,29 , 0.15019,25.70226,3.213888,5.383472
sgpcmbeC1.c1,2000,1221:30:00,29 ,0.205962, 23.9914,3.157974, 5.72754
sgpcmbeC1.c1,2000,1222:30:00,29 ,0.184337,5.538025,1.593381,1.493594
sgpcmbeC1.c1,2000,1223:30:00,29 ,0.227146,17.69616,  1.9125,3.334556