datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,10 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,10 6:30:00,31 ,       0, 12.6227,2.794184,3.493979
sgpcmbeC1.c1,2007,10 7:30:00,31 ,0.018641,57.01315,35.04112,15.52388
sgpcmbeC1.c1,2007,10 8:30:00,31 ,0.033418,122.6699,51.99113,20.94849
sgpcmbeC1.c1,2007,10 9:30:00,31 , 0.06945,134.8981,52.56269,31.22097
sgpcmbeC1.c1,2007,1010:30:00,31 ,0.026483,181.5763,47.64124, 39.8789
sgpcmbeC1.c1,2007,1011:30:00,31 ,0.152093,215.7278,42.02244,60.92096
sgpcmbeC1.c1,2007,1012:30:00,31 ,0.180511,244.6834,37.10698,58.54373
sgpcmbeC1.c1,2007,1013:30:00,31 ,0.415169,209.6452,58.59367,66.98599
sgpcmbeC1.c1,2007,1014:30:00,31 ,9.631914,178.6668,52.19672,37.65147
sgpcmbeC1.c1,2007,1015:30:00,31 ,2.307017,158.6694,59.58831,35.23537
sgpcmbeC1.c1,2007,1016:30:00,31 , 0.05054,78.80871,45.63021,18.73074
sgpcmbeC1.c1,2007,1017:30:00,31 ,       0,45.31871,20.49483,12.87046
sgpcmbeC1.c1,2007,1018:30:00,31 ,       0,1.608169,0.216595,0.453431
sgpcmbeC1.c1,2007,1019:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,1020:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,1021:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,1022:30:00,31 ,       0,0.999961,0.032257,0.179598
sgpcmbeC1.c1,2007,1023:30:00,31 ,       0,       0,       0,       0