datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,06 0:30:00,26 ,       0, 146.513,16.98733,35.27697
sgpcmbeC1.c1,2002,06 1:30:00,26 ,       0,325.7805, 36.7093,90.86912
sgpcmbeC1.c1,2002,06 2:30:00,26 ,       0,1272.255,62.69404,249.1617
sgpcmbeC1.c1,2002,06 3:30:00,25 ,       0,69.99768,10.19067,15.85814
sgpcmbeC1.c1,2002,06 4:30:00,25 ,       0,80.38553,8.963388,16.24041
sgpcmbeC1.c1,2002,06 5:30:00,26 ,       0,  89.673,15.24808,23.72907
sgpcmbeC1.c1,2002,06 6:30:00,26 ,       0,76.63731, 16.5173,24.47735
sgpcmbeC1.c1,2002,06 7:30:00,27 ,       0,370.2065,45.04492,107.7525
sgpcmbeC1.c1,2002,06 8:30:00,27 ,       0,248.4969,24.44563,52.23007
sgpcmbeC1.c1,2002,06 9:30:00,27 ,       0,  275.64,31.42632,60.12545
sgpcmbeC1.c1,2002,0610:30:00,26 ,       0,450.2389,38.04593,87.18041
sgpcmbeC1.c1,2002,0611:30:00,25 ,       0, 726.768,46.59574,143.6474
sgpcmbeC1.c1,2002,0612:30:00,25 ,       0, 516.752,46.95009,105.2136
sgpcmbeC1.c1,2002,0613:30:00,25 ,       0,472.9088,52.14338,102.2302
sgpcmbeC1.c1,2002,0614:30:00,25 ,       0,865.0068,50.00605,170.7793
sgpcmbeC1.c1,2002,0615:30:00,25 ,       0,242.5067,27.99515,51.68669
sgpcmbeC1.c1,2002,0616:30:00,25 ,       0,182.5789,19.22627,36.31266
sgpcmbeC1.c1,2002,0617:30:00,25 ,       0,84.20091,16.42946,23.15731
sgpcmbeC1.c1,2002,0618:30:00,24 ,       0,100.5418,11.88762,20.53787
sgpcmbeC1.c1,2002,0619:30:00,25 ,       0,695.5881,64.14206,189.6747
sgpcmbeC1.c1,2002,0620:30:00,25 ,       0,646.7693,42.89729,132.7613
sgpcmbeC1.c1,2002,0621:30:00,25 ,       0,635.2228,41.79223,131.1608
sgpcmbeC1.c1,2002,0622:30:00,26 ,       0,474.3717,  37.746,107.4407
sgpcmbeC1.c1,2002,0623:30:00,26 ,       0,43.95146, 8.21022,9.138523