datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,09 0:30:00,29 , 304.885,425.8859,361.0792,30.24351
sgpcmbeC1.c1,2007,09 1:30:00,29 ,297.2082,422.5584,361.2769,29.80723
sgpcmbeC1.c1,2007,09 2:30:00,28 ,294.1245,421.6605,360.5625,30.95849
sgpcmbeC1.c1,2007,09 3:30:00,29 ,286.2471,421.3286,362.0614,33.12681
sgpcmbeC1.c1,2007,09 4:30:00,29 ,285.3224,425.4877,362.4121,33.49861
sgpcmbeC1.c1,2007,09 5:30:00,29 , 286.816,418.8853,361.6245,32.81833
sgpcmbeC1.c1,2007,09 6:30:00,29 ,282.4853,419.1885,359.7023,33.69347
sgpcmbeC1.c1,2007,09 7:30:00,29 ,281.3786,413.7773,364.0838,34.23821
sgpcmbeC1.c1,2007,09 8:30:00,29 ,288.5873,422.6431,   369.6,33.73523
sgpcmbeC1.c1,2007,09 9:30:00,29 ,294.1953,427.7672,375.3615,  32.594
sgpcmbeC1.c1,2007,0910:30:00,29 ,299.5963,433.4257,381.2169,31.89909
sgpcmbeC1.c1,2007,0911:30:00,29 ,305.1003,431.1076,385.7208,29.46889
sgpcmbeC1.c1,2007,0912:30:00,29 ,311.2789, 436.892,389.9209,29.54484
sgpcmbeC1.c1,2007,0913:30:00,29 ,317.0009,437.5111,393.3256,29.06111
sgpcmbeC1.c1,2007,0914:30:00,29 ,322.1643,435.9182,393.8385,27.43386
sgpcmbeC1.c1,2007,0915:30:00,29 ,325.1712,436.2541,392.3638,26.80526
sgpcmbeC1.c1,2007,0916:30:00,29 ,329.8669,437.5132,388.4449,26.12553
sgpcmbeC1.c1,2007,0917:30:00,29 , 328.898,430.8256,384.6685,26.57481
sgpcmbeC1.c1,2007,0918:30:00,29 ,324.7269,420.4431,381.5995,25.10442
sgpcmbeC1.c1,2007,0919:30:00,29 ,321.2924, 418.813,376.3801,24.52441
sgpcmbeC1.c1,2007,0920:30:00,29 ,319.7279,422.0287,371.7622,27.09128
sgpcmbeC1.c1,2007,0921:30:00,29 , 316.853,419.9902,369.2499,25.76618
sgpcmbeC1.c1,2007,0922:30:00,29 ,312.6378,410.7122, 366.248,26.37603
sgpcmbeC1.c1,2007,0923:30:00,29 ,311.5663, 417.131,363.4375,27.90543