datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,07 0:30:00,30 ,       0,63.87119,8.907631,16.14929
sgpcmbeC1.c1,2003,07 1:30:00,30 ,       0,106.3366,9.889438,23.26407
sgpcmbeC1.c1,2003,07 2:30:00,28 ,       0,  39.402,5.201859,8.699087
sgpcmbeC1.c1,2003,07 3:30:00,30 ,       0,242.5954,14.99942,46.32458
sgpcmbeC1.c1,2003,07 4:30:00,29 ,       0,87.05576,8.088326,17.03578
sgpcmbeC1.c1,2003,07 5:30:00,28 ,       0,425.0151,22.71961,79.78279
sgpcmbeC1.c1,2003,07 6:30:00,28 ,       0,692.6812,32.61858,130.2712
sgpcmbeC1.c1,2003,07 7:30:00,27 ,       0,30.69596,5.283661,8.258268
sgpcmbeC1.c1,2003,07 8:30:00,29 ,       0,335.4506,18.09638,63.82612
sgpcmbeC1.c1,2003,07 9:30:00,30 ,       0,49.10935,7.509391,13.14101
sgpcmbeC1.c1,2003,0710:30:00,30 ,       0,249.9347,14.33866,46.07278
sgpcmbeC1.c1,2003,0711:30:00,30 ,       0,158.4874,11.36284,31.16562
sgpcmbeC1.c1,2003,0712:30:00,30 ,       0,97.03212,7.900238,18.68751
sgpcmbeC1.c1,2003,0713:30:00,30 ,       0, 140.368,11.53502,27.46532
sgpcmbeC1.c1,2003,0714:30:00,30 ,       0,104.0166,13.71719,25.38682
sgpcmbeC1.c1,2003,0715:30:00,30 ,       0,387.1948, 18.7965,70.11256
sgpcmbeC1.c1,2003,0716:30:00,29 ,       0,  295.74,17.69344,55.75164
sgpcmbeC1.c1,2003,0717:30:00,29 ,       0, 33.1264,4.197086,7.823688
sgpcmbeC1.c1,2003,0718:30:00,29 ,       0,  22.078,5.281844,7.147745
sgpcmbeC1.c1,2003,0719:30:00,30 ,       0,104.7343,6.992189,19.03805
sgpcmbeC1.c1,2003,0720:30:00,30 ,       0,85.17953,7.529842,16.27063
sgpcmbeC1.c1,2003,0721:30:00,30 ,       0,34.88236,5.432515,8.590075
sgpcmbeC1.c1,2003,0722:30:00,30 ,       0, 26.1102,4.424808,7.032283
sgpcmbeC1.c1,2003,0723:30:00,30 ,       0,47.15807,5.706538, 11.4522