datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,11 0:30:00,19 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 1:30:00,22 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 2:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 3:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 4:30:00,23 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 5:30:00,20 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,11 6:30:00,25 ,       0,2.617729,0.277402,0.761493
sgpcmbeC1.c1,2005,11 7:30:00,30 ,1.594748,49.26637,19.83739,10.43441
sgpcmbeC1.c1,2005,11 8:30:00,29 ,14.46862,142.4638,66.38762,31.03978
sgpcmbeC1.c1,2005,11 9:30:00,29 ,24.68043,227.9777,101.8934,56.70464
sgpcmbeC1.c1,2005,1110:30:00,30 ,54.07142,302.4693,123.7418,73.82596
sgpcmbeC1.c1,2005,1111:30:00,30 ,57.45764,315.2565,121.0492,74.99218
sgpcmbeC1.c1,2005,1112:30:00,30 ,58.46663,329.7841,120.8603,70.34685
sgpcmbeC1.c1,2005,1113:30:00,30 ,58.90648,307.1629,123.6235,72.46246
sgpcmbeC1.c1,2005,1114:30:00,30 ,53.73728,239.1568,109.0559,57.80517
sgpcmbeC1.c1,2005,1115:30:00,30 ,44.83295, 180.976,82.56811,37.51761
sgpcmbeC1.c1,2005,1116:30:00,30 ,25.45818,91.82478,44.85953, 16.1399
sgpcmbeC1.c1,2005,1117:30:00,30 ,0.268602,9.265902,4.003908,1.985994
sgpcmbeC1.c1,2005,1118:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,1119:30:00,20 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,1120:30:00,21 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,1121:30:00,23 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,1122:30:00,23 ,       0,       0,       0,       0
sgpcmbeC1.c1,2005,1123:30:00,22 ,       0,       0,       0,       0