datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,08 0:30:00,31 ,0.562038,12.97268,2.142992,   2.444
sgpcmbeC1.c1,2002,08 1:30:00,31 ,0.557753, 9.06339,2.538729,2.217089
sgpcmbeC1.c1,2002,08 2:30:00,31 ,0.479957,10.86773,2.702913,2.571479
sgpcmbeC1.c1,2002,08 3:30:00,31 ,0.632192,11.23197,2.502589,2.407828
sgpcmbeC1.c1,2002,08 4:30:00,31 , 0.35586,8.844522, 2.32655,2.444352
sgpcmbeC1.c1,2002,08 5:30:00,31 ,0.364777,14.48601,2.169128,2.605599
sgpcmbeC1.c1,2002,08 6:30:00,31 ,0.230031,14.50649, 2.81269,3.552716
sgpcmbeC1.c1,2002,08 7:30:00,31 ,0.657972,13.63541,3.400438, 2.76914
sgpcmbeC1.c1,2002,08 8:30:00,31 ,0.735314,17.45608,4.076616,3.889568
sgpcmbeC1.c1,2002,08 9:30:00,31 ,1.029176,12.58314,3.498639,2.710838
sgpcmbeC1.c1,2002,0810:30:00,31 ,1.354569,9.586695,2.683789,1.919467
sgpcmbeC1.c1,2002,0811:30:00,31 ,0.907487,  17.918,4.204177,3.630387
sgpcmbeC1.c1,2002,0812:30:00,31 ,0.891721,   7.387,3.193275, 1.73815
sgpcmbeC1.c1,2002,0813:30:00,31 ,1.080842,7.099303, 3.35244,1.523788
sgpcmbeC1.c1,2002,0814:30:00,31 ,1.336472,9.484164,3.179587,1.832547
sgpcmbeC1.c1,2002,0815:30:00,31 ,0.539639,8.731508,2.610547,1.896397
sgpcmbeC1.c1,2002,0816:30:00,31 ,0.592374, 7.73289,2.668884,1.994656
sgpcmbeC1.c1,2002,0817:30:00,31 ,0.517499,16.48449, 2.79573,3.170953
sgpcmbeC1.c1,2002,0818:30:00,31 ,1.073149,13.22819,3.145228, 2.64636
sgpcmbeC1.c1,2002,0819:30:00,31 ,0.763396,10.42645, 3.15513, 2.40481
sgpcmbeC1.c1,2002,0820:30:00,31 ,0.417397,6.755824,2.106944,1.534444
sgpcmbeC1.c1,2002,0821:30:00,31 ,0.441432,9.747025,2.440409,2.155617
sgpcmbeC1.c1,2002,0822:30:00,31 ,0.479315,11.59907,2.219966,2.408269
sgpcmbeC1.c1,2002,0823:30:00,31 ,0.593821,14.14522,2.275631,3.087763