datastream, year, month, tod,n, min, max, mean, std
nsacmbeC1.c1,2002,03 0:30:00,23 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,03 1:30:00,24 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,03 2:30:00,22 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,03 3:30:00,25 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,03 4:30:00,26 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,03 5:30:00,26 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,03 6:30:00,27 ,       0,1.063302,0.094386,0.270772
nsacmbeC1.c1,2002,03 7:30:00,27 ,       0,13.51984,1.815847,3.723277
nsacmbeC1.c1,2002,03 8:30:00,27 ,0.003713,19.76732,6.274167,7.269512
nsacmbeC1.c1,2002,03 9:30:00,27 ,0.037851, 36.7217,12.06776,10.02045
nsacmbeC1.c1,2002,0310:30:00,27 ,0.048945,53.32605,16.06326,13.15959
nsacmbeC1.c1,2002,0311:30:00,27 ,0.089876,73.42168,13.25818, 14.1983
nsacmbeC1.c1,2002,0312:30:00,26 ,0.105102,72.02087,11.85163,16.06643
nsacmbeC1.c1,2002,0313:30:00,26 ,0.126862,38.82861,5.985691, 10.5282
nsacmbeC1.c1,2002,0314:30:00,26 ,0.188403,80.44526,11.90656,16.56559
nsacmbeC1.c1,2002,0315:30:00,28 ,0.191856,66.02124,15.92892,17.40134
nsacmbeC1.c1,2002,0316:30:00,28 ,0.040109,40.22908,12.87041, 9.14472
nsacmbeC1.c1,2002,0317:30:00,28 ,0.015203,26.65008,  13.073,9.167082
nsacmbeC1.c1,2002,0318:30:00,28 , 0.02773,24.99568,7.278438,7.881939
nsacmbeC1.c1,2002,0319:30:00,28 ,       0,12.64506,2.522536,4.314562
nsacmbeC1.c1,2002,0320:30:00,28 ,       0,1.622331,0.104796,0.344179
nsacmbeC1.c1,2002,0321:30:00,28 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,0322:30:00,27 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,0323:30:00,26 ,       0,       0,       0,       0