datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,01 0:30:00,27 ,       0,1254.091,80.12552,251.0173
sgpcmbeC1.c1,2001,01 1:30:00,24 ,       0,478.4321,32.69477,97.52365
sgpcmbeC1.c1,2001,01 2:30:00,25 ,       0,962.8231,64.75064,199.0423
sgpcmbeC1.c1,2001,01 3:30:00,22 ,       0,240.3247,20.54529,54.04277
sgpcmbeC1.c1,2001,01 4:30:00,22 ,       0,299.1681,29.43583,74.40562
sgpcmbeC1.c1,2001,01 5:30:00,22 ,       0,371.0995,36.85088,91.22086
sgpcmbeC1.c1,2001,01 6:30:00,23 ,       0,996.6781,54.41235,206.6366
sgpcmbeC1.c1,2001,01 7:30:00,22 ,       0, 596.337,34.22115,126.5292
sgpcmbeC1.c1,2001,01 8:30:00,23 ,       0,45.11477,6.024798, 12.9759
sgpcmbeC1.c1,2001,01 9:30:00,24 ,       0,180.8532,16.42927,39.70449
sgpcmbeC1.c1,2001,0110:30:00,26 ,       0,574.3078,40.43322,119.6854
sgpcmbeC1.c1,2001,0111:30:00,27 ,       0,243.4092, 24.9814, 56.6314
sgpcmbeC1.c1,2001,0112:30:00,27 ,       0,272.1691,28.46511,59.52065
sgpcmbeC1.c1,2001,0113:30:00,28 ,       0, 364.453,37.21101,84.90823
sgpcmbeC1.c1,2001,0114:30:00,28 ,       0,320.2323,31.97795,81.19677
sgpcmbeC1.c1,2001,0115:30:00,27 ,       0,238.7897,26.71728,59.84468
sgpcmbeC1.c1,2001,0116:30:00,27 ,       0,242.6583,26.21705,54.67659
sgpcmbeC1.c1,2001,0117:30:00,27 ,       0,479.3295,48.93227,124.0254
sgpcmbeC1.c1,2001,0118:30:00,27 ,       0,927.5844,68.51872,193.5509
sgpcmbeC1.c1,2001,0119:30:00,27 ,       0, 1459.62,114.3706,356.9724
sgpcmbeC1.c1,2001,0120:30:00,27 ,       0,1535.252,101.1978,313.9632
sgpcmbeC1.c1,2001,0121:30:00,27 ,       0,1371.381, 84.2922,273.2834
sgpcmbeC1.c1,2001,0122:30:00,26 ,       0,  312.09,29.28346,67.49168
sgpcmbeC1.c1,2001,0123:30:00,26 ,       0, 588.158,36.97055,114.9659