datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2003,05 0:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,05 1:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,05 2:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,05 3:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,05 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,05 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,05 6:30:00,31 ,1.573761,7.335873,4.127255,1.207703
twpcmbeC2.c1,2003,05 7:30:00,31 ,10.54228,45.59597,25.63919,9.652921
twpcmbeC2.c1,2003,05 8:30:00,31 ,3.501852,52.42022,19.22803,12.49113
twpcmbeC2.c1,2003,05 9:30:00,31 ,2.547674,92.29434,30.98353,21.20705
twpcmbeC2.c1,2003,0510:30:00,31 ,6.950534,149.8104,38.02915,28.78265
twpcmbeC2.c1,2003,0511:30:00,31 ,7.051177,157.1944,52.76602,37.58569
twpcmbeC2.c1,2003,0512:30:00,31 ,  8.0207,145.7486,48.07466,34.79557
twpcmbeC2.c1,2003,0513:30:00,31 , 1.56647,165.6427,50.72881,33.43213
twpcmbeC2.c1,2003,0514:30:00,31 ,7.643275, 140.612,47.45491,31.47583
twpcmbeC2.c1,2003,0515:30:00,30 ,4.872228,117.3978,40.13735,26.26688
twpcmbeC2.c1,2003,0516:30:00,30 ,2.620405,76.38379,28.58655,18.76795
twpcmbeC2.c1,2003,0517:30:00,31 ,4.106486,47.85765, 23.6449,13.61546
twpcmbeC2.c1,2003,0518:30:00,31 ,13.11295,30.71073,20.05437,5.322096
twpcmbeC2.c1,2003,0519:30:00,31 ,       0, 0.50538,0.079196,0.134086
twpcmbeC2.c1,2003,0520:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,0521:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,0522:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,0523:30:00,31 ,       0,       0,       0,       0