datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1997,12 0:30:00,30 ,       0,0.404629,0.057154,0.100823
twpcmbeC1.c1,1997,12 1:30:00,31 ,       0,0.520464,0.051658,0.130589
twpcmbeC1.c1,1997,12 2:30:00,31 ,       0,0.733305,0.112762,0.180366
twpcmbeC1.c1,1997,12 3:30:00,31 ,       0,0.790788,0.232218,0.282728
twpcmbeC1.c1,1997,12 4:30:00,31 ,       0,2.361563,0.410171,0.544228
twpcmbeC1.c1,1997,12 5:30:00,31 ,       0,2.522542, 0.96781,0.810351
twpcmbeC1.c1,1997,12 6:30:00,31 ,9.640127,68.34368,35.60869,13.92921
twpcmbeC1.c1,1997,12 7:30:00,31 , 26.7949,164.1244,93.64571,39.53716
twpcmbeC1.c1,1997,12 8:30:00,31 ,39.01461,333.2276,143.6814,77.77572
twpcmbeC1.c1,1997,12 9:30:00,31 ,60.91863,382.3411,215.7563,103.3417
twpcmbeC1.c1,1997,1210:30:00,31 ,51.00151,428.5918,240.4922,117.8996
twpcmbeC1.c1,1997,1211:30:00,31 ,34.42812,532.5132,253.0544,123.5689
twpcmbeC1.c1,1997,1212:30:00,31 ,  29.613,615.8732,259.7612,137.1057
twpcmbeC1.c1,1997,1213:30:00,31 ,39.30604,577.9546,265.2694,120.4207
twpcmbeC1.c1,1997,1214:30:00,31 , 48.5701,433.7946,257.2512,90.26958
twpcmbeC1.c1,1997,1215:30:00,31 ,76.04274,389.5239,201.2224,76.14866
twpcmbeC1.c1,1997,1216:30:00,31 ,53.20559,231.4749,131.7736,43.25772
twpcmbeC1.c1,1997,1217:30:00,31 ,9.136708,107.1423,51.00855,26.63458
twpcmbeC1.c1,1997,1218:30:00,31 ,       0,9.522431,2.730674,2.281077
twpcmbeC1.c1,1997,1219:30:00,29 ,       0,1.322217,0.364998,0.393502
twpcmbeC1.c1,1997,1220:30:00,31 ,       0, 1.13272,0.227911,0.314433
twpcmbeC1.c1,1997,1221:30:00,31 ,       0,0.884478, 0.15852,0.237407
twpcmbeC1.c1,1997,1222:30:00,31 ,       0, 0.53564,0.081834,0.141233
twpcmbeC1.c1,1997,1223:30:00,30 ,       0,0.298986,0.049975,0.087934