datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2001,03 0:30:00,30 ,       0,0.520064,0.249702,0.139908
twpcmbeC2.c1,2001,03 1:30:00,31 ,       0,0.359717,0.202165,0.096663
twpcmbeC2.c1,2001,03 2:30:00,31 ,       0,0.361774,0.196789,0.117822
twpcmbeC2.c1,2001,03 3:30:00,31 ,       0,0.303079,0.176572,0.112486
twpcmbeC2.c1,2001,03 4:30:00,31 ,       0,0.307314,0.146093,0.103814
twpcmbeC2.c1,2001,03 5:30:00,31 ,       0,0.510316, 0.03459,0.098841
twpcmbeC2.c1,2001,03 6:30:00,31 ,0.341269,2.570848,1.163395,0.586449
twpcmbeC2.c1,2001,03 7:30:00,31 ,22.82349,78.62378,48.99186,16.10862
twpcmbeC2.c1,2001,03 8:30:00,31 ,13.66904,140.9495,89.65204,30.72705
twpcmbeC2.c1,2001,03 9:30:00,31 ,49.21614,238.7262, 126.157,39.72952
twpcmbeC2.c1,2001,0310:30:00,31 ,69.46798,294.5664,153.3748,53.96335
twpcmbeC2.c1,2001,0311:30:00,31 ,  46.783,  372.01,177.0402, 75.9299
twpcmbeC2.c1,2001,0312:30:00,31 ,19.12199,360.6072,184.0204,88.39626
twpcmbeC2.c1,2001,0313:30:00,31 ,40.76689,347.2405,186.3063, 79.5151
twpcmbeC2.c1,2001,0314:30:00,31 ,26.49014,333.1893,184.6159,86.93587
twpcmbeC2.c1,2001,0315:30:00,31 ,51.23763,274.2122,159.6804,71.90483
twpcmbeC2.c1,2001,0316:30:00,31 , 17.2057,240.5146,137.8337,56.17108
twpcmbeC2.c1,2001,0317:30:00,31 ,39.88403,146.6413,93.98271,27.31702
twpcmbeC2.c1,2001,0318:30:00,31 ,13.10191,93.66846,51.43619,20.96438
twpcmbeC2.c1,2001,0319:30:00,31 ,0.074341,3.479748, 1.62709,0.870702
twpcmbeC2.c1,2001,0320:30:00,31 ,       0,0.284789,0.049474,0.092005
twpcmbeC2.c1,2001,0321:30:00,31 ,       0, 0.33557,0.190405,0.114482
twpcmbeC2.c1,2001,0322:30:00,31 ,       0,0.361221,0.210186,0.113597
twpcmbeC2.c1,2001,0323:30:00,31 ,       0,0.419491,0.199168,0.127683