datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,09 0:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 2:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 3:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 4:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 5:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,09 6:30:00,29 ,0.027814,22.46601,12.24416,6.519358
sgpcmbeC1.c1,2000,09 7:30:00,29 ,0.046451,86.58772,41.27318,19.11447
sgpcmbeC1.c1,2000,09 8:30:00,29 ,       0,106.4513,53.95851,24.32365
sgpcmbeC1.c1,2000,09 9:30:00,29 ,0.226204,177.9671,56.69728,39.94575
sgpcmbeC1.c1,2000,0910:30:00,29 ,0.186789,238.8058,54.06021,57.37739
sgpcmbeC1.c1,2000,0911:30:00,29 ,0.359568,214.6695,51.50989,60.45709
sgpcmbeC1.c1,2000,0912:30:00,29 ,0.439464,254.6312,53.14525,78.81516
sgpcmbeC1.c1,2000,0913:30:00,29 ,0.397079,245.2686,58.03409,74.04138
sgpcmbeC1.c1,2000,0914:30:00,29 ,0.371043,205.0529,62.04043,55.54035
sgpcmbeC1.c1,2000,0915:30:00,29 ,0.133933, 190.214,63.48836,43.08678
sgpcmbeC1.c1,2000,0916:30:00,29 ,0.030098,115.0698,56.21128,22.25147
sgpcmbeC1.c1,2000,0917:30:00,29 ,0.006187,59.17251,41.59865,13.39126
sgpcmbeC1.c1,2000,0918:30:00,29 ,0.000643,18.21935, 7.68325,5.252404
sgpcmbeC1.c1,2000,0919:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0920:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0921:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0922:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0923:30:00,29 ,       0,       0,       0,       0