datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,07 0:30:00,31 ,0.685965,3.269931,1.749997,0.774003
sgpcmbeC1.c1,2005,07 1:30:00,31 ,0.538433,3.591443,1.605864,0.703874
sgpcmbeC1.c1,2005,07 2:30:00,31 ,0.679176,3.548976, 1.52979, 0.74289
sgpcmbeC1.c1,2005,07 3:30:00,30 , 0.48445,3.702758,1.525136,0.765136
sgpcmbeC1.c1,2005,07 4:30:00,30 ,0.594995,6.251631,1.797966,1.287317
sgpcmbeC1.c1,2005,07 5:30:00,31 ,0.646506, 3.64052,1.869475,0.794278
sgpcmbeC1.c1,2005,07 6:30:00,31 ,0.901431,9.849483,4.826053,2.434813
sgpcmbeC1.c1,2005,07 7:30:00,31 , 1.28603,12.14703,5.832919,2.719069
sgpcmbeC1.c1,2005,07 8:30:00,31 ,2.881315,10.88789,6.112623,1.942025
sgpcmbeC1.c1,2005,07 9:30:00,31 , 2.32333,9.291188,5.234634,1.504366
sgpcmbeC1.c1,2005,0710:30:00,31 , 2.33205,9.985855,5.002376,1.579037
sgpcmbeC1.c1,2005,0711:30:00,31 , 1.83826,13.11174,4.541542,2.099637
sgpcmbeC1.c1,2005,0712:30:00,31 ,2.079413,13.67313,4.389916,2.270033
sgpcmbeC1.c1,2005,0713:30:00,31 ,1.443497,13.24799,4.736472,3.063033
sgpcmbeC1.c1,2005,0714:30:00,31 ,1.408481,15.14274,4.429242,3.274319
sgpcmbeC1.c1,2005,0715:30:00,31 ,1.944789,15.96791,5.002553,3.267593
sgpcmbeC1.c1,2005,0716:30:00,31 ,1.591565,14.44836,4.280231,2.451726
sgpcmbeC1.c1,2005,0717:30:00,31 ,1.977254,7.875185,4.071009,1.465692
sgpcmbeC1.c1,2005,0718:30:00,31 ,1.382959,8.676009,4.135363,1.587992
sgpcmbeC1.c1,2005,0719:30:00,31 ,  0.3701,15.30956,5.801329,2.962604
sgpcmbeC1.c1,2005,0720:30:00,31 ,0.688401,13.11714,3.565493,2.363901
sgpcmbeC1.c1,2005,0721:30:00,31 ,0.441031,4.367459, 2.03952,0.992073
sgpcmbeC1.c1,2005,0722:30:00,31 ,0.578627,4.113588,1.717133, 0.75891
sgpcmbeC1.c1,2005,0723:30:00,31 ,0.490153,11.40549,1.956998,1.894452