datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,06 0:30:00,25 ,       0,32.18611,5.660802,9.168355
sgpcmbeC1.c1,2005,06 1:30:00,25 ,       0, 895.596,46.28449,178.8586
sgpcmbeC1.c1,2005,06 2:30:00,25 ,       0,1520.782,109.4422,364.9542
sgpcmbeC1.c1,2005,06 3:30:00,25 ,       0, 1235.13,100.0462, 298.173
sgpcmbeC1.c1,2005,06 4:30:00,25 ,       0,1071.972,65.75647, 219.167
sgpcmbeC1.c1,2005,06 5:30:00,25 ,       0,1227.705,59.97575,246.3915
sgpcmbeC1.c1,2005,06 6:30:00,25 ,       0,2824.907,123.6153,563.9656
sgpcmbeC1.c1,2005,06 7:30:00,24 ,       0,735.1946,34.17145,149.4405
sgpcmbeC1.c1,2005,06 8:30:00,25 ,       0,40.18614,6.803326,11.23096
sgpcmbeC1.c1,2005,06 9:30:00,26 ,       0,46.65561,6.060208,11.89537
sgpcmbeC1.c1,2005,0610:30:00,28 ,       0,1300.654, 56.0365,244.6603
sgpcmbeC1.c1,2005,0611:30:00,28 ,       0,1675.899,75.99212,315.2826
sgpcmbeC1.c1,2005,0612:30:00,27 ,       0,78.10511,10.18987,20.36066
sgpcmbeC1.c1,2005,0613:30:00,27 ,       0,57.41665,11.58142,19.58051
sgpcmbeC1.c1,2005,0614:30:00,27 ,       0,163.3913,23.92425,42.67777
sgpcmbeC1.c1,2005,0615:30:00,27 ,       0,202.0551,24.32898,46.24985
sgpcmbeC1.c1,2005,0616:30:00,26 ,       0,883.5825,50.23349,174.7274
sgpcmbeC1.c1,2005,0617:30:00,26 ,       0,469.4418,41.42375,112.2414
sgpcmbeC1.c1,2005,0618:30:00,27 ,       0,204.9813,17.48272,43.25181
sgpcmbeC1.c1,2005,0619:30:00,27 ,       0,1094.632,56.21422, 215.692
sgpcmbeC1.c1,2005,0620:30:00,27 ,       0,3066.032,129.0934,589.6982
sgpcmbeC1.c1,2005,0621:30:00,27 ,       0,3444.264,177.0835,692.9853
sgpcmbeC1.c1,2005,0622:30:00,26 ,       0,1352.003,58.26002,264.0165
sgpcmbeC1.c1,2005,0623:30:00,26 ,       0,287.7601,24.77122,64.81137