datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,10 0:30:00,31 ,       0,4.214468,1.172472,1.569995
sgpcmbeC1.c1,2005,10 1:30:00,29 ,       0,4.018633,1.284597,1.730717
sgpcmbeC1.c1,2005,10 2:30:00,30 ,       0,4.275657,1.086028,1.690421
sgpcmbeC1.c1,2005,10 3:30:00,31 ,       0, 4.26781,1.041061,1.603634
sgpcmbeC1.c1,2005,10 4:30:00,31 ,       0, 4.16682, 1.12457, 1.57951
sgpcmbeC1.c1,2005,10 5:30:00,31 ,       0,4.427576,1.164496,1.674922
sgpcmbeC1.c1,2005,10 6:30:00,31 ,       0,12.68824,4.216974,3.556898
sgpcmbeC1.c1,2005,10 7:30:00,31 ,5.809934,147.1857,78.89643,45.18812
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 ,22.07945,461.9584,323.3125,117.6224
sgpcmbeC1.c1,2005,1016:30:00,31 ,15.65869,268.6261,177.2582,68.85356
sgpcmbeC1.c1,2005,1017:30:00,31 ,7.576766,77.24048,35.19385,21.32897
sgpcmbeC1.c1,2005,1018:30:00,31 ,       0,4.912844,1.798512,1.846294
sgpcmbeC1.c1,2005,1019:30:00,31 ,       0,4.960746, 1.23548,1.829385
sgpcmbeC1.c1,2005,1020:30:00,31 ,       0, 5.00953, 1.27617,1.846006
sgpcmbeC1.c1,2005,1021:30:00,31 ,       0,4.904475,1.165811,1.728954
sgpcmbeC1.c1,2005,1022:30:00,31 ,       0,4.358497,1.306898,1.798626
sgpcmbeC1.c1,2005,1023:30:00,31 ,       0,4.362047,1.372885,1.726254