datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2002,05 0:30:00,31 ,       0,0.576213,0.082733,0.167218
twpcmbeC1.c1,2002,05 1:30:00,31 ,       0,0.697891, 0.07029, 0.16148
twpcmbeC1.c1,2002,05 2:30:00,31 ,       0,0.420559,0.061369,0.116823
twpcmbeC1.c1,2002,05 3:30:00,31 ,       0,0.399562,0.056615,0.119289
twpcmbeC1.c1,2002,05 4:30:00,31 ,       0, 0.20407,0.006583,0.036652
twpcmbeC1.c1,2002,05 5:30:00,31 ,       0,0.450353,0.162569, 0.10137
twpcmbeC1.c1,2002,05 6:30:00,31 ,7.533682,58.89133,35.06082,14.19843
twpcmbeC1.c1,2002,05 7:30:00,31 , 4.46883,154.7698, 70.0153,34.77529
twpcmbeC1.c1,2002,05 8:30:00,31 ,4.366379,197.2898,97.13373,50.66664
twpcmbeC1.c1,2002,05 9:30:00,31 ,6.713839,232.3478,110.6206,59.83764
twpcmbeC1.c1,2002,0510:30:00,31 ,14.17557,317.8852, 139.655,80.20918
twpcmbeC1.c1,2002,0511:30:00,31 , 9.16345,398.8247,166.8642,112.1722
twpcmbeC1.c1,2002,0512:30:00,31 ,4.931783,396.1039, 158.966,121.3532
twpcmbeC1.c1,2002,0513:30:00,31 ,10.67534,361.5483,114.2202,83.50862
twpcmbeC1.c1,2002,0514:30:00,31 ,12.75628,294.0781,105.9743,72.24113
twpcmbeC1.c1,2002,0515:30:00,30 ,3.039833,201.4893,88.47192,55.37315
twpcmbeC1.c1,2002,0516:30:00,31 ,6.554807,168.2878,70.44137,40.46254
twpcmbeC1.c1,2002,0517:30:00,31 ,4.028166,69.50219, 38.7352,22.00547
twpcmbeC1.c1,2002,0518:30:00,31 ,0.250165,4.195328,2.302636,0.966711
twpcmbeC1.c1,2002,0519:30:00,31 ,       0,0.218217,0.013567,0.043041
twpcmbeC1.c1,2002,0520:30:00,31 ,       0,0.430502,0.038279,0.105084
twpcmbeC1.c1,2002,0521:30:00,31 ,       0,0.557638,0.086095,0.160608
twpcmbeC1.c1,2002,0522:30:00,31 ,       0,0.430984,0.056476, 0.11785
twpcmbeC1.c1,2002,0523:30:00,31 ,       0,0.678347,0.113187,0.212971