datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,02 0:30:00,21 ,       0,1248.687,151.3461,360.2463
sgpcmbeC1.c1,2005,02 1:30:00,21 ,       0,1044.931,136.6867,303.2292
sgpcmbeC1.c1,2005,02 2:30:00,20 ,       0,452.5943,49.72037,112.3517
sgpcmbeC1.c1,2005,02 3:30:00,20 ,       0,134.2195, 18.1278,34.42788
sgpcmbeC1.c1,2005,02 4:30:00,19 ,       0,101.7975,12.27857,24.49715
sgpcmbeC1.c1,2005,02 5:30:00,17 ,0.002145,48.67039,9.382854,14.97021
sgpcmbeC1.c1,2005,02 6:30:00,18 ,0.058361,1512.361,110.1704,359.8037
sgpcmbeC1.c1,2005,02 7:30:00,16 ,0.003714,25.80581,6.042933,8.576076
sgpcmbeC1.c1,2005,02 8:30:00,21 ,       0,820.0004,96.39487,243.0193
sgpcmbeC1.c1,2005,02 9:30:00,23 ,       0,425.6977,50.69634,  109.01
sgpcmbeC1.c1,2005,0210:30:00,24 ,       0,693.0488,52.16413,143.7804
sgpcmbeC1.c1,2005,0211:30:00,25 ,       0,460.4601,51.12729,105.6072
sgpcmbeC1.c1,2005,0212:30:00,26 ,       0,381.7476,63.02508, 96.7487
sgpcmbeC1.c1,2005,0213:30:00,26 ,0.072503,398.2249,68.56909,112.5322
sgpcmbeC1.c1,2005,0214:30:00,26 ,0.022207,1475.982,120.4548,299.2139
sgpcmbeC1.c1,2005,0215:30:00,26 ,0.002531,742.3518,81.60322,167.1609
sgpcmbeC1.c1,2005,0216:30:00,26 ,0.028325,504.8438,66.66447,126.4008
sgpcmbeC1.c1,2005,0217:30:00,25 ,0.012283,316.4522, 50.4077,82.47732
sgpcmbeC1.c1,2005,0218:30:00,26 ,0.022214,729.8403,100.4314, 176.613
sgpcmbeC1.c1,2005,0219:30:00,25 ,       0, 541.868,81.31217,150.3671
sgpcmbeC1.c1,2005,0220:30:00,25 ,0.004319,469.4082,46.99511,97.69425
sgpcmbeC1.c1,2005,0221:30:00,25 ,       0,344.6068,50.86335,83.51037
sgpcmbeC1.c1,2005,0222:30:00,23 ,       0,856.8776, 87.3948,202.5806
sgpcmbeC1.c1,2005,0223:30:00,22 ,       0,654.5949,59.80685,147.1084