datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,01 0:30:00,7 ,0.594204,1.209543,0.901538,0.231676
sgpcmbeC1.c1,2000,01 1:30:00,7 ,0.544927,1.335543,0.866036,0.254105
sgpcmbeC1.c1,2000,01 2:30:00,7 ,0.507241,  1.6566,0.867556,0.381921
sgpcmbeC1.c1,2000,01 3:30:00,7 ,0.484355,2.049949,0.881429,0.550415
sgpcmbeC1.c1,2000,01 4:30:00,7 , 0.36085,1.856811,0.833736,0.515428
sgpcmbeC1.c1,2000,01 5:30:00,7 ,0.298728,1.449222,0.795492,0.398441
sgpcmbeC1.c1,2000,01 6:30:00,7 ,0.267648,1.380652,0.847345,0.422028
sgpcmbeC1.c1,2000,01 7:30:00,7 ,0.298891,1.656965,0.915262,0.491693
sgpcmbeC1.c1,2000,01 8:30:00,7 ,0.352768,2.054871,1.025909,0.634972
sgpcmbeC1.c1,2000,01 9:30:00,6 ,0.406841,1.808497,1.106662,0.561692
sgpcmbeC1.c1,2000,0110:30:00,6 ,  0.4557,1.981552,1.119442,0.548249
sgpcmbeC1.c1,2000,0111:30:00,6 ,0.458484,1.922597,1.110837,0.526036
sgpcmbeC1.c1,2000,0112:30:00,6 ,0.486195,1.930609,1.111733,0.503254
sgpcmbeC1.c1,2000,0113:30:00,6 ,0.513316, 1.83734,1.100968,0.453752
sgpcmbeC1.c1,2000,0114:30:00,6 ,0.534367,1.720483,1.105883,0.426322
sgpcmbeC1.c1,2000,0115:30:00,6 ,0.575738,1.805972,1.182041,0.508827
sgpcmbeC1.c1,2000,0116:30:00,6 ,0.586717,2.461274,1.315368,0.706352
sgpcmbeC1.c1,2000,0117:30:00,6 ,0.601407,1.762109,1.119887,0.432723
sgpcmbeC1.c1,2000,0118:30:00,6 ,0.599566,1.732148,1.058321,0.390077
sgpcmbeC1.c1,2000,0119:30:00,6 ,0.619564,1.570436,1.010634,0.329824
sgpcmbeC1.c1,2000,0120:30:00,6 ,0.661139,1.553792,0.996105,0.319304
sgpcmbeC1.c1,2000,0121:30:00,6 ,0.668846,1.616741,0.998888,0.341369
sgpcmbeC1.c1,2000,0122:30:00,6 , 0.65686,1.589251,0.984643,0.338092
sgpcmbeC1.c1,2000,0123:30:00,6 ,0.633853,1.445943,0.968576,0.297337