datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2002,02 0:30:00,28 ,       0,0.069599,0.003962,0.013971
twpcmbeC1.c1,2002,02 1:30:00,28 ,       0,0.043486,0.004642,0.012306
twpcmbeC1.c1,2002,02 2:30:00,28 ,       0,0.030698,0.002693,0.007116
twpcmbeC1.c1,2002,02 3:30:00,28 ,       0,0.032792,0.002268,0.006899
twpcmbeC1.c1,2002,02 4:30:00,28 ,       0,0.037732,0.004169,0.011115
twpcmbeC1.c1,2002,02 5:30:00,28 ,       0,0.099513,0.006384,0.021084
twpcmbeC1.c1,2002,02 6:30:00,28 ,0.597604,31.34387,17.69637, 7.36328
twpcmbeC1.c1,2002,02 7:30:00,28 ,2.361803, 83.2328,29.39697,16.65771
twpcmbeC1.c1,2002,02 8:30:00,28 ,6.894608,96.25152,38.67971,25.55342
twpcmbeC1.c1,2002,02 9:30:00,28 , 2.97644, 114.252,46.69842,30.67941
twpcmbeC1.c1,2002,0210:30:00,28 ,2.583077,168.3371,61.61236,45.04961
twpcmbeC1.c1,2002,0211:30:00,28 , 11.4404,126.1301, 54.7883,32.56185
twpcmbeC1.c1,2002,0212:30:00,28 ,6.315133,111.7191,46.72934,28.09151
twpcmbeC1.c1,2002,0213:30:00,28 ,6.049714,191.9402,63.16829,40.27733
twpcmbeC1.c1,2002,0214:30:00,28 ,10.88229,117.2927,48.93332,25.79718
twpcmbeC1.c1,2002,0215:30:00,28 ,8.591097, 121.256,46.26044,25.04493
twpcmbeC1.c1,2002,0216:30:00,28 ,6.214399,79.44223,36.22345,17.77829
twpcmbeC1.c1,2002,0217:30:00,28 ,8.878624,58.15482,28.95122,12.67067
twpcmbeC1.c1,2002,0218:30:00,28 ,4.510882,19.16513,12.32007, 4.19795
twpcmbeC1.c1,2002,0219:30:00,28 ,       0,0.011016,0.000393,0.002082
twpcmbeC1.c1,2002,0220:30:00,28 ,       0,0.029476,0.003532, 0.00835
twpcmbeC1.c1,2002,0221:30:00,28 ,       0,0.041946,0.001878,0.008003
twpcmbeC1.c1,2002,0222:30:00,28 ,       0,0.018362,0.001643, 0.00422
twpcmbeC1.c1,2002,0223:30:00,28 ,       0,0.068963,0.003699,0.013691