datastream, year, month, tod,n, min, max, mean, std
nsacmbeC1.c1,2005,04 0:30:00,30 ,0.249875, 18.6811,4.694738,5.183466
nsacmbeC1.c1,2005,04 1:30:00,30 ,0.164731, 16.6167,4.603475,4.856806
nsacmbeC1.c1,2005,04 2:30:00,30 , 0.11413,26.68838,4.155635,5.413945
nsacmbeC1.c1,2005,04 3:30:00,30 ,0.127708,17.94172,4.384008,4.601852
nsacmbeC1.c1,2005,04 4:30:00,30 ,0.448552,21.09771,6.119569,5.361143
nsacmbeC1.c1,2005,04 5:30:00,30 ,0.258086,22.87028,5.271183,5.391181
nsacmbeC1.c1,2005,04 6:30:00,30 ,0.133541, 26.5145,4.954429,6.974482
nsacmbeC1.c1,2005,04 7:30:00,30 ,0.111573,21.78213, 3.92869,4.207702
nsacmbeC1.c1,2005,04 8:30:00,30 ,0.081846,22.23773,  5.7534, 6.15522
nsacmbeC1.c1,2005,04 9:30:00,30 ,0.274228,22.12876, 4.31012,5.144169
nsacmbeC1.c1,2005,0410:30:00,30 ,0.171527,18.26849,3.767161,4.512834
nsacmbeC1.c1,2005,0411:30:00,30 ,0.077206,26.28518,4.777807,6.025503
nsacmbeC1.c1,2005,0412:30:00,30 ,0.319612,15.51622,3.389359,3.831669
nsacmbeC1.c1,2005,0413:30:00,30 ,0.151473,19.57125,4.993304,5.405524
nsacmbeC1.c1,2005,0414:30:00,30 , 0.28645,16.86976, 4.21512,4.807742
nsacmbeC1.c1,2005,0415:30:00,30 ,0.334576,24.41778,3.782187,4.867864
nsacmbeC1.c1,2005,0416:30:00,30 ,0.339689,11.71199,3.169935,2.888889
nsacmbeC1.c1,2005,0417:30:00,30 ,0.259301,10.51488,2.773386, 2.46723
nsacmbeC1.c1,2005,0418:30:00,30 ,0.230749,15.42337,3.560131,3.636158
nsacmbeC1.c1,2005,0419:30:00,30 ,0.151385,15.33092,3.650159,3.731136
nsacmbeC1.c1,2005,0420:30:00,30 ,0.179872,21.10171,3.988867,4.779348
nsacmbeC1.c1,2005,0421:30:00,30 ,0.180073, 20.0481,3.852918,4.949394
nsacmbeC1.c1,2005,0422:30:00,30 ,0.293871,18.18881,3.454509,4.471549
nsacmbeC1.c1,2005,0423:30:00,30 ,0.263843,19.79742,4.188338,4.875189