datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,03 0:30:00,31 ,       0,       1,0.686022,  0.4068
sgpcmbeC1.c1,2007,03 1:30:00,31 ,       0,       1,0.638082,0.443911
sgpcmbeC1.c1,2007,03 2:30:00,31 ,       0,       1,0.666219,0.419946
sgpcmbeC1.c1,2007,03 3:30:00,31 ,       0,       1,0.672312,0.434557
sgpcmbeC1.c1,2007,03 4:30:00,31 ,       0,       1,0.637276,0.453882
sgpcmbeC1.c1,2007,03 5:30:00,31 ,       0,       1,0.622312,0.424936
sgpcmbeC1.c1,2007,03 6:30:00,31 ,       0,       1,0.589516,0.426565
sgpcmbeC1.c1,2007,03 7:30:00,31 ,       0,       1,0.653226,0.425377
sgpcmbeC1.c1,2007,03 8:30:00,31 ,       0,       1,0.693369, 0.43928
sgpcmbeC1.c1,2007,03 9:30:00,31 ,       0,       1,0.660305,0.433777
sgpcmbeC1.c1,2007,0310:30:00,31 ,       0,       1,0.636649,0.429826
sgpcmbeC1.c1,2007,0311:30:00,31 ,       0,       1,0.578226,0.457945
sgpcmbeC1.c1,2007,0312:30:00,31 ,       0,       1,0.651613,0.434626
sgpcmbeC1.c1,2007,0313:30:00,31 ,       0,       1,0.662276,0.411327
sgpcmbeC1.c1,2007,0314:30:00,31 ,       0,       1,0.666756,0.414759
sgpcmbeC1.c1,2007,0315:30:00,31 ,       0,       1,  0.7319,0.346149
sgpcmbeC1.c1,2007,0316:30:00,31 ,       0,       1,0.682975,0.399971
sgpcmbeC1.c1,2007,0317:30:00,31 ,       0,       1,0.661559,0.371858
sgpcmbeC1.c1,2007,0318:30:00,31 ,       0,       1,0.693405,0.361724
sgpcmbeC1.c1,2007,0319:30:00,31 ,       0,       1,0.719624,0.356389
sgpcmbeC1.c1,2007,0320:30:00,31 ,       0,       1,0.691935,0.382664
sgpcmbeC1.c1,2007,0321:30:00,31 ,       0,       1,0.655735,0.428504
sgpcmbeC1.c1,2007,0322:30:00,31 ,       0,       1,0.658961,0.420684
sgpcmbeC1.c1,2007,0323:30:00,31 ,       0,       1,0.716129,0.375536