datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,11 0:30:00,28 ,       0,0.840662,0.032884,0.159031
sgpcmbeC1.c1,2002,11 1:30:00,29 ,       0,1.334489,0.046017,0.247808
sgpcmbeC1.c1,2002,11 2:30:00,28 ,       0,0.522461,0.018659,0.098736
sgpcmbeC1.c1,2002,11 3:30:00,27 ,       0,0.072328,0.002679, 0.01392
sgpcmbeC1.c1,2002,11 4:30:00,25 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,11 5:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,11 6:30:00,30 ,       0,2.249571,0.100094,0.413123
sgpcmbeC1.c1,2002,11 7:30:00,30 ,4.982642,74.06779,32.81815,17.85595
sgpcmbeC1.c1,2002,11 8:30:00,30 ,19.43475,257.6432,164.6091,65.77657
sgpcmbeC1.c1,2002,11 9:30:00,30 ,37.01923,432.7328,305.7596,113.5934
sgpcmbeC1.c1,2002,1110:30:00,30 ,47.73139,566.2516,419.8615,133.6617
sgpcmbeC1.c1,2002,1111:30:00,30 ,60.88354,655.1156,489.6151,170.9922
sgpcmbeC1.c1,2002,1112:30:00,30 ,66.27775,660.9262, 492.821,178.2001
sgpcmbeC1.c1,2002,1113:30:00,30 , 60.9881,618.0085,451.5277, 164.872
sgpcmbeC1.c1,2002,1114:30:00,30 , 44.6339,502.2238,377.7661,136.0268
sgpcmbeC1.c1,2002,1115:30:00,30 ,30.59056,340.1933,251.8833,88.33173
sgpcmbeC1.c1,2002,1116:30:00,30 ,11.72498,154.5829,102.8077, 36.9796
sgpcmbeC1.c1,2002,1117:30:00,30 ,0.891496,15.15761,6.024357,4.051521
sgpcmbeC1.c1,2002,1118:30:00,30 ,       0,2.230605,0.079568,0.407268
sgpcmbeC1.c1,2002,1119:30:00,29 ,       0,1.929743,0.066543,0.358344
sgpcmbeC1.c1,2002,1120:30:00,29 ,       0,0.202261,0.006975,0.037559
sgpcmbeC1.c1,2002,1121:30:00,29 ,       0,0.643789,0.040471,0.135993
sgpcmbeC1.c1,2002,1122:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,1123:30:00,28 ,       0,1.455296,0.057376,0.275451