datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,05 0:30:00,28 ,       0,690.1177,68.11559,157.2263
sgpcmbeC1.c1,2006,05 1:30:00,28 ,       0,662.4926,72.97609,145.2964
sgpcmbeC1.c1,2006,05 2:30:00,27 ,       0,279.9415,37.86378,73.55142
sgpcmbeC1.c1,2006,05 3:30:00,27 ,       0,231.2461,31.49653,60.30819
sgpcmbeC1.c1,2006,05 4:30:00,27 ,       0,570.3263,76.63459,164.8908
sgpcmbeC1.c1,2006,05 5:30:00,26 ,       0,755.2028,65.36261,164.7306
sgpcmbeC1.c1,2006,05 6:30:00,26 ,       0,535.9551,48.71004,123.4388
sgpcmbeC1.c1,2006,05 7:30:00,26 ,       0,470.9998,55.41033,132.7616
sgpcmbeC1.c1,2006,05 8:30:00,28 ,       0,528.0295,38.21323,106.1249
sgpcmbeC1.c1,2006,05 9:30:00,29 ,       0,581.9351,68.55498,161.0161
sgpcmbeC1.c1,2006,0510:30:00,29 ,       0,547.6881,55.01158,133.7608
sgpcmbeC1.c1,2006,0511:30:00,29 ,       0,280.4325,35.02494,73.28768
sgpcmbeC1.c1,2006,0512:30:00,30 ,       0,274.4161,40.97278,69.69463
sgpcmbeC1.c1,2006,0513:30:00,30 ,       0,154.5734,28.94923,44.48381
sgpcmbeC1.c1,2006,0514:30:00,30 ,       0, 198.012,35.57284,55.01654
sgpcmbeC1.c1,2006,0515:30:00,29 ,       0,393.9604,30.59721,77.47094
sgpcmbeC1.c1,2006,0516:30:00,30 ,       0,460.1679,37.27442,96.25903
sgpcmbeC1.c1,2006,0517:30:00,30 ,       0,208.9261,23.76983,55.42784
sgpcmbeC1.c1,2006,0518:30:00,30 ,       0,168.6967,21.53098,43.95054
sgpcmbeC1.c1,2006,0519:30:00,29 ,       0,199.5504,20.98099, 47.2656
sgpcmbeC1.c1,2006,0520:30:00,28 ,       0,369.6575,22.37795,70.68143
sgpcmbeC1.c1,2006,0521:30:00,28 ,       0,334.1674,26.09871,72.36611
sgpcmbeC1.c1,2006,0522:30:00,28 ,       0,245.0519,19.78283,51.65214
sgpcmbeC1.c1,2006,0523:30:00,28 ,       0,357.5904,28.62809, 72.7367