datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2007,04 0:30:00,29 ,404.4318, 441.925,420.3248,9.231906
twpcmbeC1.c1,2007,04 1:30:00,29 ,401.8375,441.3861,419.3496,9.349043
twpcmbeC1.c1,2007,04 2:30:00,29 ,401.0663,436.4455,417.4826,9.096153
twpcmbeC1.c1,2007,04 3:30:00,29 , 399.778,440.0755,418.0481,10.59534
twpcmbeC1.c1,2007,04 4:30:00,29 ,399.5137,441.4805,418.6745,11.32212
twpcmbeC1.c1,2007,04 5:30:00,29 ,398.1706,439.5384,417.9352,12.39007
twpcmbeC1.c1,2007,04 6:30:00,29 ,399.5187,439.9778,417.7392,12.80038
twpcmbeC1.c1,2007,04 7:30:00,29 ,403.5687,441.9823,419.7117,11.13572
twpcmbeC1.c1,2007,04 8:30:00,29 ,408.9747,444.7572,423.6108,9.084051
twpcmbeC1.c1,2007,04 9:30:00,29 ,413.6912,440.9036,426.0178, 7.65005
twpcmbeC1.c1,2007,0410:30:00,29 ,413.8429,440.2391,426.9335, 7.37362
twpcmbeC1.c1,2007,0411:30:00,29 ,414.9443, 441.687,427.7554,6.924349
twpcmbeC1.c1,2007,0412:30:00,29 ,416.2511,452.5111,431.5769,8.779489
twpcmbeC1.c1,2007,0413:30:00,29 ,416.2637,453.0113,431.8913,9.760503
twpcmbeC1.c1,2007,0414:30:00,29 ,416.1649,454.1159,431.4212,9.463766
twpcmbeC1.c1,2007,0415:30:00,29 ,415.4163,446.7044,431.8154,9.113398
twpcmbeC1.c1,2007,0416:30:00,29 ,414.3808,447.7516,429.4755,8.800281
twpcmbeC1.c1,2007,0417:30:00,29 ,410.5581,445.7048,426.5002,  8.2733
twpcmbeC1.c1,2007,0418:30:00,29 ,411.1003,436.5995,423.8096,7.353148
twpcmbeC1.c1,2007,0419:30:00,29 ,407.9438,441.8167,423.4962,9.294256
twpcmbeC1.c1,2007,0420:30:00,29 ,408.5073,447.3641,423.9176,9.142586
twpcmbeC1.c1,2007,0421:30:00,29 ,407.9987,436.9784,421.8419,7.655563
twpcmbeC1.c1,2007,0422:30:00,29 ,406.6504,438.8768,420.6112,7.863431
twpcmbeC1.c1,2007,0423:30:00,29 ,  405.84,437.4376,419.8161,8.708282