datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,08 0:30:00,29 ,1.509749, 5.09121,3.409348, 0.85515
sgpcmbeC1.c1,2004,08 1:30:00,29 , 1.41428, 5.29634, 3.41894,0.869857
sgpcmbeC1.c1,2004,08 2:30:00,29 ,1.541714,5.135431, 3.44374,0.870955
sgpcmbeC1.c1,2004,08 3:30:00,27 ,1.626078,5.074212,3.364408,0.845246
sgpcmbeC1.c1,2004,08 4:30:00,28 ,1.664333,5.126282,3.383933,0.823737
sgpcmbeC1.c1,2004,08 5:30:00,27 ,1.693501,5.091859,3.321622,0.761901
sgpcmbeC1.c1,2004,08 6:30:00,28 ,1.712324,5.826934,3.429206, 0.86467
sgpcmbeC1.c1,2004,08 7:30:00,31 ,1.687833,5.786204,3.395015,0.828204
sgpcmbeC1.c1,2004,08 8:30:00,30 ,1.719828,4.842357,3.306924,0.699646
sgpcmbeC1.c1,2004,08 9:30:00,30 ,1.810104,4.631972,3.294364,0.677457
sgpcmbeC1.c1,2004,0810:30:00,30 ,1.860042,4.434526,3.285467,0.649103
sgpcmbeC1.c1,2004,0811:30:00,30 ,1.911606,4.336364,3.287993,0.630883
sgpcmbeC1.c1,2004,0812:30:00,30 ,2.030378,4.345947,3.272494,0.599494
sgpcmbeC1.c1,2004,0813:30:00,31 ,1.886265,5.841959,3.375401,0.766973
sgpcmbeC1.c1,2004,0814:30:00,30 ,1.844643,5.472293,3.400695,0.791442
sgpcmbeC1.c1,2004,0815:30:00,30 ,1.884121,5.040338,3.384974,0.789485
sgpcmbeC1.c1,2004,0816:30:00,30 , 1.95275,4.769105, 3.39475,0.802999
sgpcmbeC1.c1,2004,0817:30:00,30 , 1.93788,4.787098,3.388632,0.830659
sgpcmbeC1.c1,2004,0818:30:00,29 ,2.048002,4.796198,3.438635,  0.8646
sgpcmbeC1.c1,2004,0819:30:00,29 ,2.011505,4.834517,3.436007,0.876608
sgpcmbeC1.c1,2004,0820:30:00,28 ,2.007523,4.910331,3.336774,0.826549
sgpcmbeC1.c1,2004,0821:30:00,29 ,2.016003,4.945247,3.375567,0.857954
sgpcmbeC1.c1,2004,0822:30:00,29 ,1.849708,5.293633, 3.40928,0.908372
sgpcmbeC1.c1,2004,0823:30:00,29 ,1.656833,5.447672,3.429859,0.916406