datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2005,03 0:30:00,27 ,       0,154.0344,53.54267,51.11799
twpcmbeC2.c1,2005,03 1:30:00,26 ,2.976843,190.2368,49.49674,57.86818
twpcmbeC2.c1,2005,03 2:30:00,27 ,1.624251,148.5179,41.73018,49.43442
twpcmbeC2.c1,2005,03 3:30:00,27 ,       0,121.6003,25.25193,30.31105
twpcmbeC2.c1,2005,03 4:30:00,25 ,       0,148.9865,38.04425,42.27486
twpcmbeC2.c1,2005,03 5:30:00,27 ,       0, 195.139,39.16684,46.54401
twpcmbeC2.c1,2005,03 6:30:00,26 ,4.117286,120.5322,31.65446,32.87503
twpcmbeC2.c1,2005,03 7:30:00,27 ,0.351262,201.7135,35.08815,49.25625
twpcmbeC2.c1,2005,03 8:30:00,28 ,0.540685,90.37497,25.69713,25.90284
twpcmbeC2.c1,2005,03 9:30:00,28 ,0.820462,109.9618,20.21706,25.04685
twpcmbeC2.c1,2005,0310:30:00,29 ,1.348873,85.70508,  23.122,23.64385
twpcmbeC2.c1,2005,0311:30:00,30 ,2.300685,134.2648,27.69213,28.63553
twpcmbeC2.c1,2005,0312:30:00,30 ,0.437187,161.5072,42.70051,42.59876
twpcmbeC2.c1,2005,0313:30:00,30 ,1.165892,172.1315,50.88408,50.27869
twpcmbeC2.c1,2005,0314:30:00,29 ,2.315368,211.4411,49.01608,49.85047
twpcmbeC2.c1,2005,0315:30:00,31 ,3.516218, 175.402,38.56779,42.86493
twpcmbeC2.c1,2005,0316:30:00,29 ,2.264334,99.48962,28.12066,27.06743
twpcmbeC2.c1,2005,0317:30:00,29 ,0.705709,283.4746,48.17586,64.19899
twpcmbeC2.c1,2005,0318:30:00,28 ,3.538727,126.4118,32.54059,35.53953
twpcmbeC2.c1,2005,0319:30:00,29 ,3.265915,102.7546,33.33052,32.16574
twpcmbeC2.c1,2005,0320:30:00,29 ,3.589748,211.0613,43.82346,56.68885
twpcmbeC2.c1,2005,0321:30:00,29 ,1.783704,129.9402,31.16124,32.31288
twpcmbeC2.c1,2005,0322:30:00,28 ,1.819147,144.1632,44.55268,46.53252
twpcmbeC2.c1,2005,0323:30:00,26 ,3.585027,218.0193,35.89551,48.39094