datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2000,12 0:30:00,30 ,       0,0.183439, 0.03188,0.053105
twpcmbeC1.c1,2000,12 1:30:00,30 ,       0,0.226932,0.021698,0.048144
twpcmbeC1.c1,2000,12 2:30:00,31 ,       0,0.258438,0.031799,0.061158
twpcmbeC1.c1,2000,12 3:30:00,31 ,       0,0.364742,0.023919,0.068284
twpcmbeC1.c1,2000,12 4:30:00,31 ,       0,0.341553,0.034509,0.084749
twpcmbeC1.c1,2000,12 5:30:00,31 ,       0,1.614491,0.568283,0.492724
twpcmbeC1.c1,2000,12 6:30:00,31 ,7.819078,39.90961,24.40434,7.494911
twpcmbeC1.c1,2000,12 7:30:00,31 ,6.047288,76.69505,33.91231,17.54896
twpcmbeC1.c1,2000,12 8:30:00,31 ,5.293795,86.73104,36.38222,19.80647
twpcmbeC1.c1,2000,12 9:30:00,31 ,15.36609,135.4133,46.89475,29.32079
twpcmbeC1.c1,2000,1210:30:00,31 ,6.525715,165.4016,67.51149,39.27078
twpcmbeC1.c1,2000,1211:30:00,31 , 11.7828,151.5395,77.45676,41.02841
twpcmbeC1.c1,2000,1212:30:00,31 ,5.612625,155.2209,68.19958,43.28864
twpcmbeC1.c1,2000,1213:30:00,31 ,9.039697,129.9251,62.26063,32.09156
twpcmbeC1.c1,2000,1214:30:00,31 ,5.373313,181.4152,54.21501,38.93159
twpcmbeC1.c1,2000,1215:30:00,31 ,2.214837,127.0414,43.87878,27.34306
twpcmbeC1.c1,2000,1216:30:00,31 ,5.529033,  66.757,24.75118,14.77894
twpcmbeC1.c1,2000,1217:30:00,31 ,2.467727,40.15064, 20.1853,9.886082
twpcmbeC1.c1,2000,1218:30:00,31 ,       0,9.274588,3.058923, 2.01584
twpcmbeC1.c1,2000,1219:30:00,31 ,       0, 0.44522,0.026831,0.084167
twpcmbeC1.c1,2000,1220:30:00,31 ,       0,0.489643,0.028426,0.089793
twpcmbeC1.c1,2000,1221:30:00,31 ,       0,0.123945,0.018629,0.036623
twpcmbeC1.c1,2000,1222:30:00,31 ,       0,0.096782,0.009767,0.024027
twpcmbeC1.c1,2000,1223:30:00,31 ,       0,0.117376,0.015733,0.030464