datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2001,01 0:30:00,31 ,       0,0.452172,0.223227,0.132958
twpcmbeC2.c1,2001,01 1:30:00,31 ,       0,  0.4195,0.262915,0.106875
twpcmbeC2.c1,2001,01 2:30:00,31 ,       0,0.345058,0.219184,0.096278
twpcmbeC2.c1,2001,01 3:30:00,31 ,       0,0.346972,0.172057,0.111251
twpcmbeC2.c1,2001,01 4:30:00,31 ,       0,0.337591,0.181554,0.113664
twpcmbeC2.c1,2001,01 5:30:00,31 ,       0, 0.26819,0.076757,0.090874
twpcmbeC2.c1,2001,01 6:30:00,31 ,       0,3.016617,1.254334,0.769943
twpcmbeC2.c1,2001,01 7:30:00,31 ,3.905851,66.17443,51.00063,13.43332
twpcmbeC2.c1,2001,01 8:30:00,31 ,24.26937,142.0323,93.20076,24.57849
twpcmbeC2.c1,2001,01 9:30:00,31 ,18.97632,189.1606,120.6685, 39.6288
twpcmbeC2.c1,2001,0110:30:00,31 ,55.96295,282.2804,138.1015,58.64753
twpcmbeC2.c1,2001,0111:30:00,31 ,34.13525,324.3049,169.2546,79.48848
twpcmbeC2.c1,2001,0112:30:00,30 , 52.3728,357.0844,177.9622, 80.7595
twpcmbeC2.c1,2001,0113:30:00,30 , 66.6644,304.8237,185.4111,69.97054
twpcmbeC2.c1,2001,0114:30:00,30 , 73.9353,320.0649,199.2814,73.22195
twpcmbeC2.c1,2001,0115:30:00,29 ,41.89256,267.4038,154.3815,65.63119
twpcmbeC2.c1,2001,0116:30:00,29 , 55.4285,232.1017,137.4966,44.76337
twpcmbeC2.c1,2001,0117:30:00,30 ,31.31835,148.4932,98.38511,28.09712
twpcmbeC2.c1,2001,0118:30:00,31 ,11.29248,93.23412,50.64262,  17.239
twpcmbeC2.c1,2001,0119:30:00,31 ,0.317097,4.811966,2.419196,1.053315
twpcmbeC2.c1,2001,0120:30:00,31 ,       0,0.277017,0.081481,0.099759
twpcmbeC2.c1,2001,0121:30:00,31 ,       0,0.370131,0.204109,0.100623
twpcmbeC2.c1,2001,0122:30:00,31 ,       0,0.381724,0.199733,0.114516
twpcmbeC2.c1,2001,0123:30:00,31 ,       0,0.416215,0.206076,0.135533