datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1999,08 0:30:00,31 ,       0,0.407099,0.067538,0.119487
twpcmbeC1.c1,1999,08 1:30:00,31 ,       0, 0.29312,0.024466,0.061229
twpcmbeC1.c1,1999,08 2:30:00,31 ,       0,0.407867,0.031634,0.097023
twpcmbeC1.c1,1999,08 3:30:00,31 ,       0,0.426524,0.025821,0.100181
twpcmbeC1.c1,1999,08 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,08 5:30:00,31 ,       0, 0.17862,0.005762,0.032081
twpcmbeC1.c1,1999,08 6:30:00,31 , 0.96753,  51.016,21.45955,13.79496
twpcmbeC1.c1,1999,08 7:30:00,31 ,  12.515,159.7359,71.67336,38.46961
twpcmbeC1.c1,1999,08 8:30:00,31 ,5.540592,216.9224,100.4929,50.55931
twpcmbeC1.c1,1999,08 9:30:00,31 , 24.8171,275.9325,113.4444,71.64549
twpcmbeC1.c1,1999,0810:30:00,31 ,16.05063,343.9908,104.6782,79.79007
twpcmbeC1.c1,1999,0811:30:00,31 ,7.887441,289.8108, 113.431,83.77196
twpcmbeC1.c1,1999,0812:30:00,31 ,5.114669, 341.373,109.2563,95.97028
twpcmbeC1.c1,1999,0813:30:00,31 ,12.75152,368.5157,144.7881,104.7161
twpcmbeC1.c1,1999,0814:30:00,31 ,4.603073,328.2765,110.2221,90.24583
twpcmbeC1.c1,1999,0815:30:00,31 ,1.742276,257.7755,85.63052,67.88403
twpcmbeC1.c1,1999,0816:30:00,31 ,1.545003,195.0255,78.41246,56.69252
twpcmbeC1.c1,1999,0817:30:00,31 ,3.522563,91.21718,  40.881,28.39353
twpcmbeC1.c1,1999,0818:30:00,31 ,       0, 8.16965,3.439138,2.093421
twpcmbeC1.c1,1999,0819:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0820:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0821:30:00,31 ,       0, 0.19312, 0.00623,0.034685
twpcmbeC1.c1,1999,0822:30:00,31 ,       0,0.118728, 0.00636,0.025162
twpcmbeC1.c1,1999,0823:30:00,31 ,       0,0.194391,0.019576,0.047875