datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2001,02 0:30:00,28 ,       0,0.853847,0.291256,0.229963
twpcmbeC1.c1,2001,02 1:30:00,28 ,       0,0.901221,0.290094,0.232047
twpcmbeC1.c1,2001,02 2:30:00,28 ,       0,0.523124,0.210106,0.186837
twpcmbeC1.c1,2001,02 3:30:00,28 ,       0,0.676585,0.216182,0.183964
twpcmbeC1.c1,2001,02 4:30:00,28 ,       0,0.404415,0.138831,0.150479
twpcmbeC1.c1,2001,02 5:30:00,28 ,       0,0.477418,0.061621,0.134138
twpcmbeC1.c1,2001,02 6:30:00,28 ,2.829334,37.90647,14.78168,8.506944
twpcmbeC1.c1,2001,02 7:30:00,28 ,2.434978,148.6066,56.97534,38.29755
twpcmbeC1.c1,2001,02 8:30:00,28 ,1.907075,160.8431,70.02056,43.31006
twpcmbeC1.c1,2001,02 9:30:00,28 ,9.932289, 214.887,99.24292,54.41478
twpcmbeC1.c1,2001,0210:30:00,28 ,14.01316,317.9488,134.2404,87.68467
twpcmbeC1.c1,2001,0211:30:00,28 ,6.946592,  325.31,123.6667,95.79508
twpcmbeC1.c1,2001,0212:30:00,28 ,11.57566,269.2656,102.1806,85.11078
twpcmbeC1.c1,2001,0213:30:00,28 ,3.846435,335.5586,110.5375,96.66954
twpcmbeC1.c1,2001,0214:30:00,28 ,4.341721, 305.823,103.8435,86.33684
twpcmbeC1.c1,2001,0215:30:00,28 ,3.674771,254.0831,69.56586,66.71037
twpcmbeC1.c1,2001,0216:30:00,28 , 1.35875,178.1999,51.68735,51.76616
twpcmbeC1.c1,2001,0217:30:00,28 ,0.860648,120.2024,34.19399,28.27868
twpcmbeC1.c1,2001,0218:30:00,28 ,0.389072,17.02518,7.904424,4.650768
twpcmbeC1.c1,2001,0219:30:00,28 ,       0,0.516476,0.039518,0.105826
twpcmbeC1.c1,2001,0220:30:00,28 ,       0,0.597209,0.109026,0.157473
twpcmbeC1.c1,2001,0221:30:00,28 ,       0,0.402654, 0.13474, 0.14727
twpcmbeC1.c1,2001,0222:30:00,28 ,       0,0.558378,0.192473,0.195532
twpcmbeC1.c1,2001,0223:30:00,28 ,       0,0.913844,0.288745, 0.24775