datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,09 0:30:00,29 ,       0,421.0677,18.16423,78.01809
sgpcmbeC1.c1,2005,09 1:30:00,28 ,       0,48.49993,4.478749,11.51373
sgpcmbeC1.c1,2005,09 2:30:00,29 ,       0,277.5628,12.31077,51.18551
sgpcmbeC1.c1,2005,09 3:30:00,29 ,       0,168.8349,12.14246,33.04428
sgpcmbeC1.c1,2005,09 4:30:00,29 ,       0,233.1709,19.48442,53.57245
sgpcmbeC1.c1,2005,09 5:30:00,29 ,       0,93.16451,7.561206,19.30225
sgpcmbeC1.c1,2005,09 6:30:00,29 ,       0,171.6358,11.01379,34.63581
sgpcmbeC1.c1,2005,09 7:30:00,29 ,       0,510.8086,28.77021,102.6201
sgpcmbeC1.c1,2005,09 8:30:00,30 ,       0, 204.452,19.63794, 51.0828
sgpcmbeC1.c1,2005,09 9:30:00,30 ,       0,200.2327,14.49263, 40.1687
sgpcmbeC1.c1,2005,0910:30:00,29 ,       0,72.61389,7.900273,17.17296
sgpcmbeC1.c1,2005,0911:30:00,29 ,       0, 43.7719,5.667313,11.63169
sgpcmbeC1.c1,2005,0912:30:00,29 ,       0, 117.795,8.988857,25.11405
sgpcmbeC1.c1,2005,0913:30:00,28 ,       0,103.2271,6.850842,20.45123
sgpcmbeC1.c1,2005,0914:30:00,29 ,       0,219.2518,13.38941,42.04719
sgpcmbeC1.c1,2005,0915:30:00,29 ,       0,259.9904, 19.9657,56.61538
sgpcmbeC1.c1,2005,0916:30:00,29 ,       0,286.7819,19.36717,63.56508
sgpcmbeC1.c1,2005,0917:30:00,29 ,       0,433.9047,20.68598,81.41136
sgpcmbeC1.c1,2005,0918:30:00,29 ,       0,107.4426,9.168996,23.28777
sgpcmbeC1.c1,2005,0919:30:00,29 ,       0,106.9444,10.12194,22.96734
sgpcmbeC1.c1,2005,0920:30:00,29 ,       0,309.3275,25.80961,67.01461
sgpcmbeC1.c1,2005,0921:30:00,29 ,       0,2324.281,105.4351, 431.916
sgpcmbeC1.c1,2005,0922:30:00,29 ,       0,692.3425,41.68844, 132.967
sgpcmbeC1.c1,2005,0923:30:00,29 ,       0,1478.233,56.99044,273.6728