datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1999,08 0:30:00,31 ,       0, 0.31392,0.036553,0.089366
twpcmbeC1.c1,1999,08 1:30:00,31 ,       0,0.151378,0.007394,0.027498
twpcmbeC1.c1,1999,08 2:30:00,31 ,       0,0.315523,0.012579,0.056958
twpcmbeC1.c1,1999,08 3:30:00,31 ,       0,0.238038,0.011213,0.046465
twpcmbeC1.c1,1999,08 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,08 5:30:00,31 ,       0,0.000756,0.000024,0.000136
twpcmbeC1.c1,1999,08 6:30:00,31 ,       0,31.77333,4.583665,8.111311
twpcmbeC1.c1,1999,08 7:30:00,31 ,0.001505,224.0699,68.54812,72.46797
twpcmbeC1.c1,1999,08 8:30:00,31 ,0.457527,439.0362,189.5253,149.7602
twpcmbeC1.c1,1999,08 9:30:00,31 ,0.566399,634.5915,292.6625,237.9693
twpcmbeC1.c1,1999,0810:30:00,31 ,0.743713,793.0292,374.7454,306.8702
twpcmbeC1.c1,1999,0811:30:00,31 ,1.252605,872.7338,365.2263,342.3245
twpcmbeC1.c1,1999,0812:30:00,31 ,0.114227,878.7908,361.0214,358.1778
twpcmbeC1.c1,1999,0813:30:00,31 ,0.178726,839.6151,322.3564,308.9053
twpcmbeC1.c1,1999,0814:30:00,31 ,       0, 712.955,289.2892,274.9049
twpcmbeC1.c1,1999,0815:30:00,31 ,       0,535.5964,234.8156,208.1432
twpcmbeC1.c1,1999,0816:30:00,31 ,       0,297.2609,101.3573,102.4167
twpcmbeC1.c1,1999,0817:30:00,31 ,       0,84.35217,19.30443,27.53375
twpcmbeC1.c1,1999,0818:30:00,31 ,       0,1.020184, 0.06356,0.199855
twpcmbeC1.c1,1999,0819:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0820:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0821:30:00,31 ,       0,0.074928,0.002417,0.013457
twpcmbeC1.c1,1999,0822:30:00,31 ,       0,0.027007,0.001198,0.005123
twpcmbeC1.c1,1999,0823:30:00,31 ,       0,0.063772,0.004326, 0.01261