datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1999,09 0:30:00,23 ,       0,0.122909, 0.03083,0.045602
twpcmbeC1.c1,1999,09 1:30:00,23 ,       0, 0.14027,0.033246, 0.05337
twpcmbeC1.c1,1999,09 2:30:00,23 ,       0,0.114448, 0.01328,0.035631
twpcmbeC1.c1,1999,09 3:30:00,23 ,       0, 0.10937,0.007872,0.026694
twpcmbeC1.c1,1999,09 4:30:00,23 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,09 5:30:00,23 ,       0, 2.64718,0.626053,0.597312
twpcmbeC1.c1,1999,09 6:30:00,23 ,10.95782,74.40089,46.66155,18.61969
twpcmbeC1.c1,1999,09 7:30:00,23 ,9.527089,138.5533,78.18091,28.94133
twpcmbeC1.c1,1999,09 8:30:00,23 ,  21.916,208.4535,99.91602,46.25247
twpcmbeC1.c1,1999,09 9:30:00,23 ,38.21182,284.4899,129.1259, 71.8351
twpcmbeC1.c1,1999,0910:30:00,23 ,32.59567,367.4736,138.7927,99.27915
twpcmbeC1.c1,1999,0911:30:00,23 ,13.19011,365.2449,164.8487,114.8212
twpcmbeC1.c1,1999,0912:30:00,23 ,6.988614,427.6111,147.8529,124.6438
twpcmbeC1.c1,1999,0913:30:00,23 ,5.999519,402.5245,164.7288,127.1796
twpcmbeC1.c1,1999,0914:30:00,23 ,46.62591,339.5588,145.1512,83.22091
twpcmbeC1.c1,1999,0915:30:00,23 ,21.10316,290.9659,102.7664,65.15241
twpcmbeC1.c1,1999,0916:30:00,23 ,15.32241,175.9605,88.37891,45.09264
twpcmbeC1.c1,1999,0917:30:00,23 ,15.23013,86.00078,52.74793,21.39144
twpcmbeC1.c1,1999,0918:30:00,23 ,0.454536,3.965732, 1.49627,0.866375
twpcmbeC1.c1,1999,0919:30:00,23 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0920:30:00,23 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0921:30:00,23 ,       0, 0.08591,0.003735,0.017913
twpcmbeC1.c1,1999,0922:30:00,23 ,       0,0.128279,0.009944,0.033213
twpcmbeC1.c1,1999,0923:30:00,23 ,       0,0.125527,0.013434,0.036492