datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1999,03 0:30:00,31 ,       0,0.269553,0.015944,0.051281
twpcmbeC1.c1,1999,03 1:30:00,30 ,       0,0.092346,0.004572,0.018485
twpcmbeC1.c1,1999,03 2:30:00,31 ,       0,0.253757, 0.01193,0.047788
twpcmbeC1.c1,1999,03 3:30:00,31 ,       0,0.957967,0.037439,0.172313
twpcmbeC1.c1,1999,03 4:30:00,31 ,       0, 2.02025,0.071688,0.362238
twpcmbeC1.c1,1999,03 5:30:00,31 ,       0,0.433649,0.017083,0.079206
twpcmbeC1.c1,1999,03 6:30:00,31 ,       0,32.40502,20.33585,6.942325
twpcmbeC1.c1,1999,03 7:30:00,31 ,4.578915,52.27799,23.37663,14.17558
twpcmbeC1.c1,1999,03 8:30:00,31 ,1.101427,122.6578,30.87019,29.07868
twpcmbeC1.c1,1999,03 9:30:00,31 ,2.862737,146.9414, 41.1727,28.36862
twpcmbeC1.c1,1999,0310:30:00,31 ,3.065257,94.78692,46.62321,24.67958
twpcmbeC1.c1,1999,0311:30:00,31 ,0.577071,192.6927,57.66102,48.80828
twpcmbeC1.c1,1999,0312:30:00,31 ,1.153187,135.9043,40.38586,35.10465
twpcmbeC1.c1,1999,0313:30:00,31 ,1.396958,127.6759,45.56124,34.11752
twpcmbeC1.c1,1999,0314:30:00,31 , 1.25456,101.2486,40.72628,30.20925
twpcmbeC1.c1,1999,0315:30:00,30 ,1.689543,99.43428,34.35829,26.85669
twpcmbeC1.c1,1999,0316:30:00,30 ,2.224815,75.13223,21.59782,16.39762
twpcmbeC1.c1,1999,0317:30:00,28 ,7.892724,48.48293,23.81086,10.45578
twpcmbeC1.c1,1999,0318:30:00,30 ,0.524782,15.12747,7.566567,3.349259
twpcmbeC1.c1,1999,0319:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0320:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0321:30:00,31 ,       0,0.079062,0.004148,0.015486
twpcmbeC1.c1,1999,0322:30:00,29 ,       0, 0.32537,0.017321,0.063848
twpcmbeC1.c1,1999,0323:30:00,31 ,       0,0.252471,0.014626,0.048776