datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,06 0:30:00,25 ,1.438944,  5.0186,3.591584,1.048027
sgpcmbeC1.c1,1999,06 1:30:00,25 ,1.403565,4.849056,  3.4934,0.965197
sgpcmbeC1.c1,1999,06 2:30:00,25 ,1.397675,5.095512,3.492322,0.974333
sgpcmbeC1.c1,1999,06 3:30:00,25 ,1.388222, 5.56851,3.561896,1.041025
sgpcmbeC1.c1,1999,06 4:30:00,24 , 1.35778,4.799723,3.497367,0.990142
sgpcmbeC1.c1,1999,06 5:30:00,25 ,1.269982, 4.83356, 3.47452,0.972021
sgpcmbeC1.c1,1999,06 6:30:00,26 , 1.22774,4.849199,3.515676,0.962611
sgpcmbeC1.c1,1999,06 7:30:00,25 ,1.058667,5.109736,3.497132,1.025915
sgpcmbeC1.c1,1999,06 8:30:00,25 ,1.284673,4.991054,3.464165,0.994136
sgpcmbeC1.c1,1999,06 9:30:00,26 ,1.354807,5.379138,3.494158,1.050217
sgpcmbeC1.c1,1999,0610:30:00,25 ,1.424182,4.958521,3.433224,0.972258
sgpcmbeC1.c1,1999,0611:30:00,25 ,1.409568,4.953594,3.467569,0.976414
sgpcmbeC1.c1,1999,0612:30:00,25 ,1.505865,4.826528,3.515164,1.001473
sgpcmbeC1.c1,1999,0613:30:00,25 ,1.531609,4.815433,3.500467, 1.02891
sgpcmbeC1.c1,1999,0614:30:00,26 ,1.645003,4.873709,3.509201,1.071504
sgpcmbeC1.c1,1999,0615:30:00,25 ,1.596179,4.867338,3.497116,1.116143
sgpcmbeC1.c1,1999,0616:30:00,24 ,1.437385,5.124287,3.490669,1.148859
sgpcmbeC1.c1,1999,0617:30:00,25 ,1.321348,5.063989,3.564229,1.200925
sgpcmbeC1.c1,1999,0618:30:00,26 ,1.396391,5.290754, 3.69111,1.165207
sgpcmbeC1.c1,1999,0619:30:00,26 ,1.562056,5.609945,3.649096,1.142571
sgpcmbeC1.c1,1999,0620:30:00,25 ,1.597952,5.224674,3.550857,1.091924
sgpcmbeC1.c1,1999,0621:30:00,25 ,1.619239,5.791008,3.588633,1.153136
sgpcmbeC1.c1,1999,0622:30:00,25 ,1.576134, 5.01774,3.571656,1.087204
sgpcmbeC1.c1,1999,0623:30:00,25 ,1.504185,5.265581,3.603416,1.095656