datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,08 0:30:00,31 ,411.2739,459.5762,431.2153,12.01596
sgpcmbeC1.c1,2005,08 1:30:00,31 ,407.7719,455.6673,427.9498,11.71321
sgpcmbeC1.c1,2005,08 2:30:00,31 , 405.067,452.7727,425.2854,12.19343
sgpcmbeC1.c1,2005,08 3:30:00,31 ,403.7607,451.0388,422.3205,12.55708
sgpcmbeC1.c1,2005,08 4:30:00,31 , 394.983,451.6165, 419.868,13.57461
sgpcmbeC1.c1,2005,08 5:30:00,31 ,396.3296,448.5526,418.4925,13.64535
sgpcmbeC1.c1,2005,08 6:30:00,31 ,405.8966,448.3972,425.0518,11.84608
sgpcmbeC1.c1,2005,08 7:30:00,31 ,413.8359,464.2915,441.4801,14.19945
sgpcmbeC1.c1,2005,08 8:30:00,31 ,414.5051,492.6235,459.9476, 21.5361
sgpcmbeC1.c1,2005,08 9:30:00,31 ,417.4092,521.9401,479.9131, 26.9672
sgpcmbeC1.c1,2005,0810:30:00,31 ,419.4065,544.4278,495.7534,31.34586
sgpcmbeC1.c1,2005,0811:30:00,31 ,419.3531,563.5401,510.1471, 34.9782
sgpcmbeC1.c1,2005,0812:30:00,31 ,422.5088, 574.056, 515.694,36.18035
sgpcmbeC1.c1,2005,0813:30:00,31 ,422.9994, 570.946, 517.184, 35.0773
sgpcmbeC1.c1,2005,0814:30:00,31 ,421.2148,567.7937,513.9101,37.71048
sgpcmbeC1.c1,2005,0815:30:00,31 ,421.2964,558.5739,509.1515,35.34846
sgpcmbeC1.c1,2005,0816:30:00,31 ,418.8211,542.1731,496.3281,  32.115
sgpcmbeC1.c1,2005,0817:30:00,31 ,418.6976,523.9893,481.0884,28.90413
sgpcmbeC1.c1,2005,0818:30:00,31 ,417.3591,504.7955,466.5124,26.10239
sgpcmbeC1.c1,2005,0819:30:00,31 ,415.4253,486.4187,453.0443,21.56177
sgpcmbeC1.c1,2005,0820:30:00,31 ,415.1459,472.6442,445.2546,17.21563
sgpcmbeC1.c1,2005,0821:30:00,31 ,411.6974,464.3334,440.7939,15.47032
sgpcmbeC1.c1,2005,0822:30:00,31 ,414.8759,459.7838,437.5658, 14.0396
sgpcmbeC1.c1,2005,0823:30:00,31 ,414.1299,458.5636,434.0179,12.26233