datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,09 0:30:00,30 ,279.8403,412.2459,341.3855, 42.2544
sgpcmbeC1.c1,2006,09 1:30:00,30 ,279.4198, 411.462,340.8302,43.50771
sgpcmbeC1.c1,2006,09 2:30:00,30 ,276.9108, 422.058,338.0292, 43.9026
sgpcmbeC1.c1,2006,09 3:30:00,30 ,276.0102,411.5169,335.7486,40.60073
sgpcmbeC1.c1,2006,09 4:30:00,30 , 268.028,404.5065,335.0603,42.34033
sgpcmbeC1.c1,2006,09 5:30:00,30 ,266.8703,400.0341, 330.921,41.26524
sgpcmbeC1.c1,2006,09 6:30:00,30 ,264.6195,398.3664,329.1347,40.22988
sgpcmbeC1.c1,2006,09 7:30:00,30 ,260.3199, 405.469,333.2759,41.98532
sgpcmbeC1.c1,2006,09 8:30:00,30 ,264.2401,404.3306,340.2382,40.36705
sgpcmbeC1.c1,2006,09 9:30:00,30 ,269.8338,406.3897,344.8957,35.83723
sgpcmbeC1.c1,2006,0910:30:00,30 ,274.4097,410.2326,348.2963,  34.715
sgpcmbeC1.c1,2006,0911:30:00,30 ,278.0981, 418.018,356.6293, 37.2716
sgpcmbeC1.c1,2006,0912:30:00,30 ,281.6487,422.5737,361.8224,37.34588
sgpcmbeC1.c1,2006,0913:30:00,30 ,284.3457,420.2215,364.8737,36.67517
sgpcmbeC1.c1,2006,0914:30:00,30 ,285.5646,426.6628,366.9474,38.73469
sgpcmbeC1.c1,2006,0915:30:00,30 ,287.5183,426.5731,366.3732,37.57036
sgpcmbeC1.c1,2006,0916:30:00,30 , 287.796,425.8874,366.2544,34.51052
sgpcmbeC1.c1,2006,0917:30:00,30 ,287.9674,427.9418, 363.422,33.12992
sgpcmbeC1.c1,2006,0918:30:00,30 , 289.896,422.0898,358.6855,32.73042
sgpcmbeC1.c1,2006,0919:30:00,30 ,286.5093,417.9473,353.2675,35.59224
sgpcmbeC1.c1,2006,0920:30:00,30 ,283.5535,419.3567,349.3599,38.06386
sgpcmbeC1.c1,2006,0921:30:00,30 ,281.6707, 416.084,344.9238,38.64264
sgpcmbeC1.c1,2006,0922:30:00,30 ,279.6685,418.0376,342.3746,38.12359
sgpcmbeC1.c1,2006,0923:30:00,30 ,280.5928,408.5251,339.9177,38.64657