datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2005,04 0:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2005,04 1:30:00,30 ,       0,0.006066,0.000202,0.001108
twpcmbeC2.c1,2005,04 2:30:00,29 ,       0,       0,       0,       0
twpcmbeC2.c1,2005,04 3:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2005,04 4:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2005,04 5:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2005,04 6:30:00,30 ,       0,7.773912,2.904782,1.798249
twpcmbeC2.c1,2005,04 7:30:00,30 ,1.679329,57.37361,26.36438, 11.4032
twpcmbeC2.c1,2005,04 8:30:00,30 ,1.232674,81.93377,29.32303,17.05619
twpcmbeC2.c1,2005,04 9:30:00,30 ,3.997029,113.1302,45.62892,27.55293
twpcmbeC2.c1,2005,0410:30:00,30 ,9.184854,83.09237,46.72579, 21.8218
twpcmbeC2.c1,2005,0411:30:00,30 ,6.276758,136.3449,60.84181,32.16333
twpcmbeC2.c1,2005,0412:30:00,30 ,15.70067,159.8107,63.38931,34.79729
twpcmbeC2.c1,2005,0413:30:00,30 ,10.35336,155.3219, 55.2847,35.78428
twpcmbeC2.c1,2005,0414:30:00,30 ,10.01094,110.4438,52.60096,27.58323
twpcmbeC2.c1,2005,0415:30:00,30 ,21.59413,148.4125,58.64986,33.89455
twpcmbeC2.c1,2005,0416:30:00,30 ,14.07759,127.7895,42.18293,25.50217
twpcmbeC2.c1,2005,0417:30:00,30 ,7.614532,103.9085,35.98082,21.74664
twpcmbeC2.c1,2005,0418:30:00,30 ,1.741219, 39.5736,21.32651,9.517437
twpcmbeC2.c1,2005,0419:30:00,30 ,       0,0.884919,0.220253,0.220543
twpcmbeC2.c1,2005,0420:30:00,29 ,       0,       0,       0,       0
twpcmbeC2.c1,2005,0421:30:00,30 ,       0,0.015381,0.000513,0.002808
twpcmbeC2.c1,2005,0422:30:00,30 ,       0,0.000158, 5.25E-6,0.000029
twpcmbeC2.c1,2005,0423:30:00,30 ,       0,       0,       0,       0