datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,09 0:30:00,27 ,       0,0.558505, 0.11308,0.161916
sgpcmbeC1.c1,1998,09 1:30:00,27 ,       0,0.673084, 0.11866,0.209082
sgpcmbeC1.c1,1998,09 2:30:00,27 ,       0,0.694478,0.087839,0.190689
sgpcmbeC1.c1,1998,09 3:30:00,27 ,       0,1.161088,0.139141,0.284082
sgpcmbeC1.c1,1998,09 4:30:00,27 ,       0, 0.71059,0.085393,0.157811
sgpcmbeC1.c1,1998,09 5:30:00,27 ,       0,0.861285,0.174099,0.228766
sgpcmbeC1.c1,1998,09 6:30:00,28 ,1.240615,46.98643,25.80299,12.84878
sgpcmbeC1.c1,1998,09 7:30:00,28 ,35.02278,221.5421,150.5218,54.52232
sgpcmbeC1.c1,1998,09 8:30:00,28 ,7.741007,426.2944,321.7839,106.7943
sgpcmbeC1.c1,1998,09 9:30:00,28 , 13.3611,614.4203,474.3247,157.1088
sgpcmbeC1.c1,1998,0910:30:00,28 ,85.90475,765.2938,588.4943,203.5094
sgpcmbeC1.c1,1998,0911:30:00,28 ,44.24229,857.5966,663.5273,215.5571
sgpcmbeC1.c1,1998,0912:30:00,28 ,132.4073,888.5427,712.5329,185.3742
sgpcmbeC1.c1,1998,0913:30:00,28 ,134.6488,851.8486,662.9265,186.0868
sgpcmbeC1.c1,1998,0914:30:00,28 ,114.6622,758.0725,549.4699,181.3825
sgpcmbeC1.c1,1998,0915:30:00,28 ,118.0717,606.8561, 422.747,149.6227
sgpcmbeC1.c1,1998,0916:30:00,28 ,80.89335,426.6303,295.0804,96.81435
sgpcmbeC1.c1,1998,0917:30:00,28 ,17.18501,218.9926,129.9306,60.55103
sgpcmbeC1.c1,1998,0918:30:00,28 ,0.626559,46.22715,17.76324,14.14634
sgpcmbeC1.c1,1998,0919:30:00,28 ,       0,1.185421, 0.21682, 0.31328
sgpcmbeC1.c1,1998,0920:30:00,27 ,       0,0.579935,0.130697,0.170415
sgpcmbeC1.c1,1998,0921:30:00,27 ,       0,0.661815,0.141043,0.192093
sgpcmbeC1.c1,1998,0922:30:00,27 ,       0, 0.82705,0.138395,0.236376
sgpcmbeC1.c1,1998,0923:30:00,26 ,       0,0.600609,0.139706,0.194379