datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,11 0:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,11 1:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,11 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,11 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,11 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,11 5:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,11 6:30:00,30 ,       0,2.505303,0.401184,0.705305
sgpcmbeC1.c1,1999,11 7:30:00,30 ,2.239562,51.64712,31.78787,11.67546
sgpcmbeC1.c1,1999,11 8:30:00,30 ,10.84345,70.82895,52.99296,10.33805
sgpcmbeC1.c1,1999,11 9:30:00,30 ,15.10171, 79.1338,45.45022,9.286774
sgpcmbeC1.c1,1999,1110:30:00,30 ,18.98909,130.6875,38.34546,22.39027
sgpcmbeC1.c1,1999,1111:30:00,30 ,9.873426,130.0399,29.26709,35.70483
sgpcmbeC1.c1,1999,1112:30:00,30 ,3.885738,185.4007,28.34698,50.21571
sgpcmbeC1.c1,1999,1113:30:00,30 ,11.25882,150.4574,35.15598,32.85847
sgpcmbeC1.c1,1999,1114:30:00,30 ,25.34684,124.0025,47.05817,24.16335
sgpcmbeC1.c1,1999,1115:30:00,30 ,4.462408,84.19444,50.79339,13.65376
sgpcmbeC1.c1,1999,1116:30:00,30 ,3.887981,74.54314,46.13501,13.90587
sgpcmbeC1.c1,1999,1117:30:00,30 ,0.991731,23.65398,9.893077, 4.70534
sgpcmbeC1.c1,1999,1118:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1119:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1120:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1121:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1122:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1123:30:00,29 ,       0,       0,       0,       0