datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,10 0:30:00,22 ,       0, 22.0484,2.370155,5.178234
sgpcmbeC1.c1,2001,10 1:30:00,22 ,       0,22.21739,2.273375,5.162939
sgpcmbeC1.c1,2001,10 2:30:00,22 ,       0,49.36903,4.736668,11.67738
sgpcmbeC1.c1,2001,10 3:30:00,22 ,       0,48.71228,4.448156,12.00382
sgpcmbeC1.c1,2001,10 4:30:00,22 ,       0,   75.51,8.484334,21.57506
sgpcmbeC1.c1,2001,10 5:30:00,22 ,       0, 25.8808,3.010136,6.625517
sgpcmbeC1.c1,2001,10 6:30:00,22 ,       0,  36.451,2.831964,7.925049
sgpcmbeC1.c1,2001,10 7:30:00,21 ,       0,17.47619,1.879506,4.254589
sgpcmbeC1.c1,2001,10 8:30:00,23 ,       0,26.18908,2.622761,6.231166
sgpcmbeC1.c1,2001,10 9:30:00,24 ,       0,157.7862,14.01291,38.60936
sgpcmbeC1.c1,2001,1010:30:00,27 ,       0,148.9052,16.54269,38.49784
sgpcmbeC1.c1,2001,1011:30:00,27 ,       0,130.5199,11.97712,28.44611
sgpcmbeC1.c1,2001,1012:30:00,27 ,       0,115.1331,13.25788,29.30439
sgpcmbeC1.c1,2001,1013:30:00,27 ,       0,170.4615,11.47289,32.71519
sgpcmbeC1.c1,2001,1014:30:00,26 ,       0,37.89522,5.630603,9.983768
sgpcmbeC1.c1,2001,1015:30:00,27 ,       0,380.4573,19.73871,72.86754
sgpcmbeC1.c1,2001,1016:30:00,27 ,       0, 157.787,13.30356,32.73829
sgpcmbeC1.c1,2001,1017:30:00,27 ,       0, 128.631,12.01664, 26.7047
sgpcmbeC1.c1,2001,1018:30:00,25 ,       0,162.9339,11.56573,32.41564
sgpcmbeC1.c1,2001,1019:30:00,25 ,       0,48.33501,6.199506,11.36985
sgpcmbeC1.c1,2001,1020:30:00,25 ,       0,34.21824,5.692713,9.993892
sgpcmbeC1.c1,2001,1021:30:00,25 ,       0,248.1496,14.16463,49.46694
sgpcmbeC1.c1,2001,1022:30:00,22 ,       0,33.62067,3.229831,7.896354
sgpcmbeC1.c1,2001,1023:30:00,22 ,       0,27.63358,2.600138,6.484289