datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2002,02 0:30:00,25 ,       0,0.123288,0.008909,0.025868
twpcmbeC2.c1,2002,02 1:30:00,25 ,       0,0.182592,0.019608,0.053098
twpcmbeC2.c1,2002,02 2:30:00,26 ,       0,0.238745,0.010571,0.046706
twpcmbeC2.c1,2002,02 3:30:00,26 ,       0,0.198912,0.011638,0.043263
twpcmbeC2.c1,2002,02 4:30:00,26 ,       0,0.095903,0.004446,0.019049
twpcmbeC2.c1,2002,02 5:30:00,26 ,       0,0.297167,0.011429,0.058279
twpcmbeC2.c1,2002,02 6:30:00,26 ,       0,0.198842,0.038876,0.054738
twpcmbeC2.c1,2002,02 7:30:00,26 ,1.435745,59.32553,36.17507,16.90918
twpcmbeC2.c1,2002,02 8:30:00,26 ,18.82166,274.4285,170.1655, 84.7696
twpcmbeC2.c1,2002,02 9:30:00,26 ,17.86073,536.5111,345.2884,148.9325
twpcmbeC2.c1,2002,0210:30:00,27 ,25.84731,774.3985,482.0925,218.9567
twpcmbeC2.c1,2002,0211:30:00,27 ,167.1342,930.9542,625.2898,252.3786
twpcmbeC2.c1,2002,0212:30:00,26 ,250.5291,1011.079,695.7794, 270.067
twpcmbeC2.c1,2002,0213:30:00,26 ,94.50734, 1057.73,675.3378,310.0173
twpcmbeC2.c1,2002,0214:30:00,26 ,12.99552,1041.707,611.8983,296.8594
twpcmbeC2.c1,2002,0215:30:00,26 ,8.648111,805.1121,478.5367,249.8699
twpcmbeC2.c1,2002,0216:30:00,26 ,11.66645,  640.37,367.5226,217.3448
twpcmbeC2.c1,2002,0217:30:00,26 ,13.63022,383.0786, 231.898,122.1418
twpcmbeC2.c1,2002,0218:30:00,26 ,15.00568,138.1482,70.85312,35.28245
twpcmbeC2.c1,2002,0219:30:00,26 ,0.128231,3.601867,1.259494,0.964548
twpcmbeC2.c1,2002,0220:30:00,26 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,0221:30:00,26 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,0222:30:00,25 ,       0,0.010735,0.000429,0.002147
twpcmbeC2.c1,2002,0223:30:00,26 ,       0,0.296807,0.013788,0.058977