datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,09 0:30:00,24 ,1.039423,4.133756,2.913371,0.907934
sgpcmbeC1.c1,2002,09 1:30:00,24 ,1.099056,4.381743,2.903572,0.899658
sgpcmbeC1.c1,2002,09 2:30:00,24 , 1.17798,4.487345,2.899681,0.906149
sgpcmbeC1.c1,2002,09 3:30:00,24 ,1.163087,4.578331,2.877688,0.899578
sgpcmbeC1.c1,2002,09 4:30:00,24 ,1.182422,4.636127,2.855064,0.894004
sgpcmbeC1.c1,2002,09 5:30:00,22 ,1.185596,3.751881,2.736697, 0.84375
sgpcmbeC1.c1,2002,09 6:30:00,22 ,1.238845,3.840382, 2.72568,  0.8645
sgpcmbeC1.c1,2002,09 7:30:00,25 ,1.306574,4.450892,2.864271,0.971726
sgpcmbeC1.c1,2002,09 8:30:00,25 ,1.378037, 4.41709,2.823073,0.980564
sgpcmbeC1.c1,2002,09 9:30:00,25 ,1.161772,4.430162,2.798548,0.985995
sgpcmbeC1.c1,2002,0910:30:00,25 ,1.147141,4.465208,2.803801,0.978955
sgpcmbeC1.c1,2002,0911:30:00,26 ,1.434054, 4.33737,2.876483, 0.96629
sgpcmbeC1.c1,2002,0912:30:00,26 ,1.570526,4.168974,2.896336,0.935634
sgpcmbeC1.c1,2002,0913:30:00,25 ,1.537327, 4.19266,2.849855,0.895199
sgpcmbeC1.c1,2002,0914:30:00,26 ,1.500307,4.550116,2.954327,0.924256
sgpcmbeC1.c1,2002,0915:30:00,25 ,1.399987,4.182229,2.914088,0.880889
sgpcmbeC1.c1,2002,0916:30:00,25 ,1.320028,4.198713,2.951674,0.889458
sgpcmbeC1.c1,2002,0917:30:00,25 ,1.353301,4.326595,  2.9934,0.897618
sgpcmbeC1.c1,2002,0918:30:00,25 ,1.333752,4.707358,3.048962,0.970176
sgpcmbeC1.c1,2002,0919:30:00,24 ,1.355985,4.465141,3.022621,0.962614
sgpcmbeC1.c1,2002,0920:30:00,24 ,1.339507,4.231303,3.081727,0.968642
sgpcmbeC1.c1,2002,0921:30:00,24 ,1.253987, 4.09583,3.058913,0.955624
sgpcmbeC1.c1,2002,0922:30:00,24 ,1.163282, 4.14738,2.999684,0.942172
sgpcmbeC1.c1,2002,0923:30:00,24 ,1.131273,4.166004,2.943641,0.932144