datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,09 0:30:00,27 ,       0,245.6561, 31.3471,58.59881
sgpcmbeC1.c1,1999,09 1:30:00,25 ,       0,299.3453,37.11241,76.16449
sgpcmbeC1.c1,1999,09 2:30:00,27 ,       0,367.5312,64.79572,108.0583
sgpcmbeC1.c1,1999,09 3:30:00,28 ,       0,386.1662,63.22102,99.44165
sgpcmbeC1.c1,1999,09 4:30:00,28 ,       0,182.2138,37.29332,58.83296
sgpcmbeC1.c1,1999,09 5:30:00,28 ,       0,400.5564,49.35751,94.94475
sgpcmbeC1.c1,1999,09 6:30:00,28 ,       0,300.9205,60.41869,93.22036
sgpcmbeC1.c1,1999,09 7:30:00,30 ,       0,244.1212,46.20567,73.05551
sgpcmbeC1.c1,1999,09 8:30:00,30 ,       0,375.9575,45.25106,89.51396
sgpcmbeC1.c1,1999,09 9:30:00,30 ,       0,320.7468,52.82866,96.29368
sgpcmbeC1.c1,1999,0910:30:00,30 ,       0,354.1512,55.65764,95.84395
sgpcmbeC1.c1,1999,0911:30:00,30 ,       0,258.6649,47.06352,71.60017
sgpcmbeC1.c1,1999,0912:30:00,30 ,       0,306.6728,49.03924,69.11333
sgpcmbeC1.c1,1999,0913:30:00,29 ,       0,309.3932,47.18926,66.44537
sgpcmbeC1.c1,1999,0914:30:00,28 ,       0,205.4793,39.24109,55.26318
sgpcmbeC1.c1,1999,0915:30:00,24 ,       0,152.0058,27.34603,42.67569
sgpcmbeC1.c1,1999,0916:30:00,22 ,       0,113.9519, 28.0331,37.26561
sgpcmbeC1.c1,1999,0917:30:00,16 ,       0,81.09335,15.50314,24.05147
sgpcmbeC1.c1,1999,0918:30:00,27 ,       0, 210.133,24.79039,48.53633
sgpcmbeC1.c1,1999,0919:30:00,28 ,       0,295.7913,32.22926,64.51941
sgpcmbeC1.c1,1999,0920:30:00,28 ,       0,419.2171,45.06369, 103.786
sgpcmbeC1.c1,1999,0921:30:00,27 ,       0,157.4817, 28.7839,49.94877
sgpcmbeC1.c1,1999,0922:30:00,29 ,       0,235.3333,40.17842,66.42568
sgpcmbeC1.c1,1999,0923:30:00,29 ,       0, 500.549,50.41517,     104