datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1997,07 0:30:00,31 ,       0,0.422553,0.103077,0.141926
twpcmbeC1.c1,1997,07 1:30:00,31 ,       0,0.399126,0.086998,0.130752
twpcmbeC1.c1,1997,07 2:30:00,30 ,       0,0.571052,0.119994,0.154852
twpcmbeC1.c1,1997,07 3:30:00,31 ,       0, 0.59523,0.083248,0.147288
twpcmbeC1.c1,1997,07 4:30:00,31 ,       0,0.746521,0.041282,0.138329
twpcmbeC1.c1,1997,07 5:30:00,31 ,       0, 0.58394,0.034043,0.117823
twpcmbeC1.c1,1997,07 6:30:00,31 , 0.90336,65.20041,19.91103,12.90061
twpcmbeC1.c1,1997,07 7:30:00,31 ,7.262569,123.1526,55.94822,33.37075
twpcmbeC1.c1,1997,07 8:30:00,31 ,  9.0888,221.5618, 78.3483, 49.2278
twpcmbeC1.c1,1997,07 9:30:00,31 ,14.46808,224.5147,105.3192,61.15294
twpcmbeC1.c1,1997,0710:30:00,31 ,23.35404,307.8106,125.3852,70.93306
twpcmbeC1.c1,1997,0711:30:00,31 ,16.76656, 329.364,150.0307,87.90322
twpcmbeC1.c1,1997,0712:30:00,31 ,4.449522,296.7973,117.1388,90.13359
twpcmbeC1.c1,1997,0713:30:00,31 ,  3.1738,361.4817,109.4847,95.92657
twpcmbeC1.c1,1997,0714:30:00,31 ,8.440644, 229.938,90.13824,63.99942
twpcmbeC1.c1,1997,0715:30:00,31 , 7.35961,233.0977,97.53525,53.47137
twpcmbeC1.c1,1997,0716:30:00,31 ,7.557852,161.8843,75.65215,39.78317
twpcmbeC1.c1,1997,0717:30:00,31 ,2.462672,86.58501,39.03252,23.80613
twpcmbeC1.c1,1997,0718:30:00,31 ,       0,9.423146, 4.00497,2.562046
twpcmbeC1.c1,1997,0719:30:00,31 ,       0,0.384266,0.034553, 0.09236
twpcmbeC1.c1,1997,0720:30:00,31 ,       0,0.524613,0.058386,0.125448
twpcmbeC1.c1,1997,0721:30:00,31 ,       0,0.379056,0.117891,0.150386
twpcmbeC1.c1,1997,0722:30:00,31 ,       0,0.406144,0.113103,0.149941
twpcmbeC1.c1,1997,0723:30:00,31 ,       0,0.387418,  0.0923,  0.1368