datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,10 0:30:00,31 ,       0,1.690945,0.271901,0.545753
sgpcmbeC1.c1,2004,10 1:30:00,31 ,       0,1.494596,0.258078,0.431981
sgpcmbeC1.c1,2004,10 2:30:00,31 ,       0, 1.42745,0.149111,0.383488
sgpcmbeC1.c1,2004,10 3:30:00,31 ,       0,1.929079,0.266829,0.575121
sgpcmbeC1.c1,2004,10 4:30:00,31 ,       0,1.758321,0.185582,0.457332
sgpcmbeC1.c1,2004,10 5:30:00,31 ,       0,1.511843,0.123805,0.373837
sgpcmbeC1.c1,2004,10 6:30:00,31 ,       0,22.55445,6.658633,5.233591
sgpcmbeC1.c1,2004,10 7:30:00,31 ,1.340244,68.62959,35.86521,23.39204
sgpcmbeC1.c1,2004,10 8:30:00,31 ,6.627545,121.6106, 43.1544,25.52311
sgpcmbeC1.c1,2004,10 9:30:00,31 ,7.303779,143.2777,59.26173,35.13222
sgpcmbeC1.c1,2004,1010:30:00,31 ,8.867042,147.6879, 57.9276,40.84749
sgpcmbeC1.c1,2004,1011:30:00,31 ,5.608999,205.1617,67.67591,62.33497
sgpcmbeC1.c1,2004,1012:30:00,31 ,4.183988,208.5668,55.72245, 54.3163
sgpcmbeC1.c1,2004,1013:30:00,31 ,14.60129,252.3728,78.06146,56.58137
sgpcmbeC1.c1,2004,1014:30:00,31 ,14.57152,215.9185, 77.7187, 55.1598
sgpcmbeC1.c1,2004,1015:30:00,31 ,13.78777,167.3425,71.60192,40.01752
sgpcmbeC1.c1,2004,1016:30:00,31 ,6.044641,106.5048,46.22581,26.93463
sgpcmbeC1.c1,2004,1017:30:00,31 ,2.964088,55.33974,26.11199,14.34917
sgpcmbeC1.c1,2004,1018:30:00,31 ,       0,5.080485,1.379428,1.607369
sgpcmbeC1.c1,2004,1019:30:00,31 ,       0,1.634622,0.229387,0.510591
sgpcmbeC1.c1,2004,1020:30:00,31 ,       0, 1.84498,0.405897,  0.5746
sgpcmbeC1.c1,2004,1021:30:00,31 ,       0,1.798803, 0.26065,0.520058
sgpcmbeC1.c1,2004,1022:30:00,31 ,       0,1.768991,0.165841, 0.45768
sgpcmbeC1.c1,2004,1023:30:00,31 ,       0,1.602936,0.303555,0.547695