datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1996,09 0:30:00,23 ,       0,222.3132,25.97622,55.33002
sgpcmbeC1.c1,1996,09 1:30:00,21 ,       0,86.46473,12.25728,21.26882
sgpcmbeC1.c1,1996,09 2:30:00,21 ,       0,74.79089,16.06321,25.42714
sgpcmbeC1.c1,1996,09 3:30:00,21 ,       0,99.60081,17.94868,28.81442
sgpcmbeC1.c1,1996,09 4:30:00,21 ,       0,295.3873,31.21753, 70.1997
sgpcmbeC1.c1,1996,09 5:30:00,21 ,       0,436.1843,48.84341,120.1648
sgpcmbeC1.c1,1996,09 6:30:00,21 ,       0,442.8331,49.32144,111.7091
sgpcmbeC1.c1,1996,09 7:30:00,21 ,       0,261.3984, 33.5623, 72.1278
sgpcmbeC1.c1,1996,09 8:30:00,21 ,       0,370.0628,46.61642,95.00688
sgpcmbeC1.c1,1996,09 9:30:00,20 ,       0,312.8259,33.27897,72.15243
sgpcmbeC1.c1,1996,0910:30:00,21 ,       0, 320.859, 52.3224,102.0933
sgpcmbeC1.c1,1996,0911:30:00,22 ,       0, 406.342,44.39675,108.4378
sgpcmbeC1.c1,1996,0912:30:00,23 ,       0,244.4736, 28.6411,55.80885
sgpcmbeC1.c1,1996,0913:30:00,23 ,       0,144.2749,23.95394,44.27052
sgpcmbeC1.c1,1996,0914:30:00,22 ,       0,134.8707,27.50442,47.93044
sgpcmbeC1.c1,1996,0915:30:00,21 ,       0, 165.918, 25.0857,45.80856
sgpcmbeC1.c1,1996,0916:30:00,21 ,       0,224.5096,27.71734,57.56923
sgpcmbeC1.c1,1996,0917:30:00,22 ,       0,49.71297, 11.0955,14.95236
sgpcmbeC1.c1,1996,0918:30:00,22 ,       0,26.02814,6.524801,8.206507
sgpcmbeC1.c1,1996,0919:30:00,22 ,       0,44.06975,6.736692,10.53158
sgpcmbeC1.c1,1996,0920:30:00,22 ,       0, 48.4177,7.580648,11.87442
sgpcmbeC1.c1,1996,0921:30:00,22 ,       0,88.09022,11.12962,20.54646
sgpcmbeC1.c1,1996,0922:30:00,23 ,       0,95.97173,17.05979,29.66014
sgpcmbeC1.c1,1996,0923:30:00,23 ,       0,128.5321,18.53519,38.20442