datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,09 0:30:00,26 ,       0,161.4296,26.14911,48.14037
sgpcmbeC1.c1,1997,09 1:30:00,26 ,       0,183.9466,24.37037,43.99101
sgpcmbeC1.c1,1997,09 2:30:00,26 ,       0,189.1935,35.16869,53.49078
sgpcmbeC1.c1,1997,09 3:30:00,26 ,       0,284.6952,46.81343,  76.811
sgpcmbeC1.c1,1997,09 4:30:00,25 ,       0, 351.604,37.65326,74.14092
sgpcmbeC1.c1,1997,09 5:30:00,26 ,       0,97.83893,22.76933,29.73147
sgpcmbeC1.c1,1997,09 6:30:00,26 ,       0,80.00594,17.21935,24.68491
sgpcmbeC1.c1,1997,09 7:30:00,26 ,       0,277.3051,31.80976,65.10507
sgpcmbeC1.c1,1997,09 8:30:00,26 ,       0,231.0277,28.98956,49.69167
sgpcmbeC1.c1,1997,09 9:30:00,26 ,       0,157.6456,30.43747,45.25025
sgpcmbeC1.c1,1997,0910:30:00,26 ,       0,288.0759,38.53248, 70.8513
sgpcmbeC1.c1,1997,0911:30:00,27 ,       0,252.0894,36.25844,64.27435
sgpcmbeC1.c1,1997,0912:30:00,26 ,       0,151.4929,29.65111,42.36016
sgpcmbeC1.c1,1997,0913:30:00,24 ,       0,241.5183,28.01531,52.73788
sgpcmbeC1.c1,1997,0914:30:00,24 ,       0,198.6428,23.70429,47.06122
sgpcmbeC1.c1,1997,0915:30:00,23 ,       0,294.8259,34.92075,65.44929
sgpcmbeC1.c1,1997,0916:30:00,25 ,       0,332.5317, 46.4139,93.39565
sgpcmbeC1.c1,1997,0917:30:00,27 ,       0,263.1027,27.25021,64.93223
sgpcmbeC1.c1,1997,0918:30:00,27 ,       0,90.44458,14.93525,27.64294
sgpcmbeC1.c1,1997,0919:30:00,27 ,       0, 97.3073, 13.2942,23.22679
sgpcmbeC1.c1,1997,0920:30:00,26 ,       0,248.7073,27.27812,58.39368
sgpcmbeC1.c1,1997,0921:30:00,26 ,       0,258.7771,19.16455,57.50327
sgpcmbeC1.c1,1997,0922:30:00,26 ,       0, 305.496,21.46183,66.80375
sgpcmbeC1.c1,1997,0923:30:00,26 ,       0,136.3551,12.38791, 28.8046