datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,04 0:30:00,30 ,       0,1375.705,124.0698,325.0567
sgpcmbeC1.c1,2005,04 1:30:00,30 ,       0,2304.667,149.2921,471.2649
sgpcmbeC1.c1,2005,04 2:30:00,30 ,       0,4173.735,178.7124, 766.537
sgpcmbeC1.c1,2005,04 3:30:00,30 ,       0,2354.591,95.78043,430.3912
sgpcmbeC1.c1,2005,04 4:30:00,30 ,       0,1566.202,96.72131,322.4306
sgpcmbeC1.c1,2005,04 5:30:00,30 ,       0,3503.758,144.7204,637.6908
sgpcmbeC1.c1,2005,04 6:30:00,30 ,       0, 3991.45,186.4575,737.1909
sgpcmbeC1.c1,2005,04 7:30:00,30 ,       0,3031.608,216.0147,703.6433
sgpcmbeC1.c1,2005,04 8:30:00,30 ,       0,4165.344,175.0964,759.3857
sgpcmbeC1.c1,2005,04 9:30:00,30 ,       0,3520.111, 157.462,640.8246
sgpcmbeC1.c1,2005,0410:30:00,30 ,       0,1881.601,115.1712, 353.735
sgpcmbeC1.c1,2005,0411:30:00,30 ,       0,371.6844,43.62321,87.96693
sgpcmbeC1.c1,2005,0412:30:00,30 ,       0,520.3859,49.22855,122.2765
sgpcmbeC1.c1,2005,0413:30:00,30 ,       0,2595.191,117.3718,472.6312
sgpcmbeC1.c1,2005,0414:30:00,30 ,       0,3070.573,137.1015,559.8875
sgpcmbeC1.c1,2005,0415:30:00,30 ,       0,973.1558,58.53019,178.9984
sgpcmbeC1.c1,2005,0416:30:00,30 ,       0,717.7966,39.32472,130.5289
sgpcmbeC1.c1,2005,0417:30:00,30 ,0.000199, 229.292,19.90419,45.87966
sgpcmbeC1.c1,2005,0418:30:00,30 ,       0,650.2048,42.95857, 119.611
sgpcmbeC1.c1,2005,0419:30:00,30 ,0.003688,1207.934, 65.9364, 218.785
sgpcmbeC1.c1,2005,0420:30:00,30 ,0.056568,261.7826,35.16331,61.72744
sgpcmbeC1.c1,2005,0421:30:00,30 ,       0,213.4383,30.55434,52.44962
sgpcmbeC1.c1,2005,0422:30:00,30 ,       0,    1445,74.68258,264.6013
sgpcmbeC1.c1,2005,0423:30:00,30 ,       0,3303.609, 149.397, 602.029