datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,09 0:30:00,25 ,       0,245.8904,44.37441, 71.6241
sgpcmbeC1.c1,2003,09 1:30:00,25 ,       0,174.6246,37.49853,58.74272
sgpcmbeC1.c1,2003,09 2:30:00,25 ,       0,324.5368,38.97245,72.44894
sgpcmbeC1.c1,2003,09 3:30:00,25 ,       0,530.7241,60.62932,122.7719
sgpcmbeC1.c1,2003,09 4:30:00,26 ,       0,1589.219,124.1178,325.6593
sgpcmbeC1.c1,2003,09 5:30:00,25 ,       0,1267.351,90.19578,259.9606
sgpcmbeC1.c1,2003,09 6:30:00,26 ,       0,1655.299,133.6757,361.2393
sgpcmbeC1.c1,2003,09 7:30:00,25 ,       0,587.5187,65.26442,142.3617
sgpcmbeC1.c1,2003,09 8:30:00,24 ,       0,1196.757,129.8815,310.9428
sgpcmbeC1.c1,2003,09 9:30:00,25 ,       0,754.9303,100.9132,218.2895
sgpcmbeC1.c1,2003,0910:30:00,26 ,       0, 1698.44,177.4963,415.8315
sgpcmbeC1.c1,2003,0911:30:00,26 ,       0,1413.458,198.5778,430.8341
sgpcmbeC1.c1,2003,0912:30:00,25 ,       0,622.2598,85.71087, 184.123
sgpcmbeC1.c1,2003,0913:30:00,25 ,       0,1519.669,138.7475,349.8343
sgpcmbeC1.c1,2003,0914:30:00,26 ,       0,1179.161,109.2694,275.2708
sgpcmbeC1.c1,2003,0915:30:00,25 ,       0,652.4427,53.97962,135.9831
sgpcmbeC1.c1,2003,0916:30:00,27 ,       0,1536.632, 134.335,363.2062
sgpcmbeC1.c1,2003,0917:30:00,27 ,       0,1193.424,86.66014,242.3216
sgpcmbeC1.c1,2003,0918:30:00,26 ,       0, 745.883,57.06389,154.1213
sgpcmbeC1.c1,2003,0919:30:00,26 ,       0,367.7527,32.89854,81.29035
sgpcmbeC1.c1,2003,0920:30:00,26 ,       0,310.8695,32.22729, 70.0676
sgpcmbeC1.c1,2003,0921:30:00,26 ,       0, 410.215,42.76941,93.31183
sgpcmbeC1.c1,2003,0922:30:00,25 ,       0,263.5929,35.65749,67.92416
sgpcmbeC1.c1,2003,0923:30:00,25 ,       0,167.4495,33.16251,50.58376