datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,10 0:30:00,31 ,       0,4.214468,1.816791,1.525948
sgpcmbeC1.c1,2005,10 1:30:00,29 ,       0,4.018633,1.929149,1.581846
sgpcmbeC1.c1,2005,10 2:30:00,30 ,       0,4.275657,1.781386,1.606921
sgpcmbeC1.c1,2005,10 3:30:00,31 ,       0, 4.26781,1.624949,1.566218
sgpcmbeC1.c1,2005,10 4:30:00,31 ,       0, 4.16682,1.682896,1.520138
sgpcmbeC1.c1,2005,10 5:30:00,31 ,       0,4.427576,1.679983,1.578604
sgpcmbeC1.c1,2005,10 6:30:00,31 ,0.005197, 12.8386,4.653807,3.524312
sgpcmbeC1.c1,2005,10 7:30:00,31 ,6.272155,147.1857,78.95033,45.10168
sgpcmbeC1.c1,2005,10 8:30:00,31 ,35.94193,351.2981,216.1973,108.7495
sgpcmbeC1.c1,2005,10 9:30:00,31 ,57.30856,541.8009,349.3094,168.9056
sgpcmbeC1.c1,2005,1010:30:00,31 ,108.3189,670.3976,466.1607,197.8684
sgpcmbeC1.c1,2005,1011:30:00,31 ,63.99937, 747.376,533.1578,232.5316
sgpcmbeC1.c1,2005,1012:30:00,31 ,124.8117,772.4342, 549.553,207.4727
sgpcmbeC1.c1,2005,1013:30:00,31 ,42.93871,737.7073,  537.32,182.9401
sgpcmbeC1.c1,2005,1014:30:00,31 ,35.86366,615.6593,454.2718,137.3742
sgpcmbeC1.c1,2005,1015:30:00,31 ,22.07945,461.9584,323.3299,117.5809
sgpcmbeC1.c1,2005,1016:30:00,31 ,15.65869,268.6261,177.2582,68.85356
sgpcmbeC1.c1,2005,1017:30:00,31 , 7.80095,77.24048,35.31989,21.25548
sgpcmbeC1.c1,2005,1018:30:00,31 ,-0.06167,4.912844, 2.46574,1.544436
sgpcmbeC1.c1,2005,1019:30:00,31 ,0.025922,4.960746,2.247176,1.511147
sgpcmbeC1.c1,2005,1020:30:00,31 ,0.016131, 5.00953,1.985456,1.571864
sgpcmbeC1.c1,2005,1021:30:00,31 ,       0,4.904475,1.944005,1.571727
sgpcmbeC1.c1,2005,1022:30:00,31 ,       0,4.358497,2.001345,1.553413
sgpcmbeC1.c1,2005,1023:30:00,31 ,       0,4.362047,2.075612,1.455252