datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1999,11 0:30:00,30 ,       0,0.272281,0.057649,0.073866
twpcmbeC1.c1,1999,11 1:30:00,30 ,       0,0.480381,0.057981,0.116129
twpcmbeC1.c1,1999,11 2:30:00,30 ,       0,0.532168,0.058642,0.121972
twpcmbeC1.c1,1999,11 3:30:00,30 ,       0, 0.52551,0.044707,0.105899
twpcmbeC1.c1,1999,11 4:30:00,30 ,       0,0.392293, 0.04674,0.090201
twpcmbeC1.c1,1999,11 5:30:00,30 ,       0,3.306328,1.606305,0.819794
twpcmbeC1.c1,1999,11 6:30:00,30 ,2.409083,75.04512,  41.181,18.99796
twpcmbeC1.c1,1999,11 7:30:00,25 , 3.23705,323.5299,131.9074,80.64715
twpcmbeC1.c1,1999,11 8:30:00,23 ,25.28065,659.9578,213.8393,121.9312
twpcmbeC1.c1,1999,11 9:30:00,22 ,45.89223, 744.698,297.7394,170.3521
twpcmbeC1.c1,1999,1110:30:00,21 ,27.60796,715.7535,274.8838,  157.76
twpcmbeC1.c1,1999,1111:30:00,24 ,  45.167,799.7955,337.8919,209.9699
twpcmbeC1.c1,1999,1112:30:00,22 ,55.37194,729.7551,293.8019,158.1655
twpcmbeC1.c1,1999,1113:30:00,22 ,16.86128,540.9499,256.8681,154.7273
twpcmbeC1.c1,1999,1114:30:00,24 ,6.851372,700.0393,257.0097,174.0187
twpcmbeC1.c1,1999,1115:30:00,25 ,2.763878,635.4313,206.6676,143.7205
twpcmbeC1.c1,1999,1116:30:00,27 ,1.095589,225.2993,120.9765, 52.9883
twpcmbeC1.c1,1999,1117:30:00,30 ,4.275535,77.29841,33.66502, 16.8472
twpcmbeC1.c1,1999,1118:30:00,30 ,       0,2.000615,0.817426,0.501977
twpcmbeC1.c1,1999,1119:30:00,30 ,       0,0.644702,0.178691,0.197339
twpcmbeC1.c1,1999,1120:30:00,30 ,       0,0.382329,0.086674,0.100876
twpcmbeC1.c1,1999,1121:30:00,30 ,       0, 0.20989,0.049844,0.063702
twpcmbeC1.c1,1999,1122:30:00,30 ,       0,0.370332,0.056125,0.088893
twpcmbeC1.c1,1999,1123:30:00,30 ,       0,0.471796,0.050961,0.092376