datastream, year, month, tod,n, min, max, mean, std
nsacmbeC1.c1,2007,03 0:30:00,28 ,       0,       0,       0,       0
nsacmbeC1.c1,2007,03 1:30:00,28 ,       0, 0.09456,0.003377, 0.01787
nsacmbeC1.c1,2007,03 2:30:00,28 ,       0,       0,       0,       0
nsacmbeC1.c1,2007,03 3:30:00,29 ,       0,       0,       0,       0
nsacmbeC1.c1,2007,03 4:30:00,29 ,       0,       0,       0,       0
nsacmbeC1.c1,2007,03 5:30:00,29 ,       0,       0,       0,       0
nsacmbeC1.c1,2007,03 6:30:00,28 ,       0,4.276233,0.381003,1.023838
nsacmbeC1.c1,2007,03 7:30:00,30 ,       0,38.30328,6.733447,9.149401
nsacmbeC1.c1,2007,03 8:30:00,31 ,0.629247,98.23148,28.24301,25.82694
nsacmbeC1.c1,2007,03 9:30:00,31 , 13.9767,145.1935,70.67539,40.00747
nsacmbeC1.c1,2007,0310:30:00,31 ,45.85393,204.9059,  125.81,50.64405
nsacmbeC1.c1,2007,0311:30:00,29 ,82.84476,252.5141,173.8456,57.10762
nsacmbeC1.c1,2007,0312:30:00,30 ,103.8276,287.2477,205.5883,56.52748
nsacmbeC1.c1,2007,0313:30:00,31 ,118.3637,304.0832,220.6143,55.81151
nsacmbeC1.c1,2007,0314:30:00,31 ,115.7113,312.2124,216.8003,55.79707
nsacmbeC1.c1,2007,0315:30:00,31 ,94.37147,268.3626,182.9068,49.84706
nsacmbeC1.c1,2007,0316:30:00,31 ,63.11112,229.1458,137.1288,48.52769
nsacmbeC1.c1,2007,0317:30:00,31 ,24.18065, 160.461,85.16351,41.66942
nsacmbeC1.c1,2007,0318:30:00,31 ,3.527563,90.56483,37.49934,28.09754
nsacmbeC1.c1,2007,0319:30:00,28 ,       0,28.41849, 9.78607,9.446982
nsacmbeC1.c1,2007,0320:30:00,27 ,       0,4.010568,0.705756,1.144065
nsacmbeC1.c1,2007,0321:30:00,28 ,       0,0.021245,0.000759,0.004015
nsacmbeC1.c1,2007,0322:30:00,29 ,       0,       0,       0,       0
nsacmbeC1.c1,2007,0323:30:00,29 ,       0,       0,       0,       0