datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2004,01 0:30:00,22 ,       0,145.3309,41.66878,42.82207
twpcmbeC2.c1,2004,01 1:30:00,21 ,       0,76.85004, 34.5544,24.99767
twpcmbeC2.c1,2004,01 2:30:00,21 ,       0,115.0234,34.39403,35.16575
twpcmbeC2.c1,2004,01 3:30:00,19 ,       0,132.8862,41.17321,40.45206
twpcmbeC2.c1,2004,01 4:30:00,18 ,       0,118.0455,31.20765,39.97343
twpcmbeC2.c1,2004,01 5:30:00,16 ,       0,96.80318, 26.2403,31.00146
twpcmbeC2.c1,2004,01 6:30:00,17 ,       0,115.6038,33.41743,39.78696
twpcmbeC2.c1,2004,01 7:30:00,18 ,       0,  110.65,23.22991,30.42253
twpcmbeC2.c1,2004,01 8:30:00,18 ,       0,103.6941,30.47864,34.44345
twpcmbeC2.c1,2004,01 9:30:00,20 ,       0,125.0179,19.62525,28.26047
twpcmbeC2.c1,2004,0110:30:00,18 ,       0, 162.028,21.96994,37.79795
twpcmbeC2.c1,2004,0111:30:00,17 ,       0,180.6766,26.11083, 44.2649
twpcmbeC2.c1,2004,0112:30:00,17 ,       0, 129.424,32.35668,43.88353
twpcmbeC2.c1,2004,0113:30:00,18 ,       0,104.0288,28.58323, 30.4271
twpcmbeC2.c1,2004,0114:30:00,19 ,       0,102.9496,24.14426, 26.7275
twpcmbeC2.c1,2004,0115:30:00,19 , 0.53551,63.75547,21.54535,17.55449
twpcmbeC2.c1,2004,0116:30:00,20 , 0.10746,104.6036,26.13404, 28.9764
twpcmbeC2.c1,2004,0117:30:00,17 ,2.082154,79.64972,28.26564, 22.7483
twpcmbeC2.c1,2004,0118:30:00,16 ,1.246097,78.68555,29.87918,27.18906
twpcmbeC2.c1,2004,0119:30:00,18 ,0.483763, 108.811,28.86011,28.60547
twpcmbeC2.c1,2004,0120:30:00,20 ,1.823626,160.4874,29.89306,39.96227
twpcmbeC2.c1,2004,0121:30:00,19 , 1.76296,109.7187,34.84008,30.13493
twpcmbeC2.c1,2004,0122:30:00,21 ,1.514829, 138.429,39.76071,36.29573
twpcmbeC2.c1,2004,0123:30:00,20 ,0.287618,118.0316,37.71391,33.64271