datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,12 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,12 1:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,12 2:30:00,31 ,       0,0.012533,0.000404,0.002251
sgpcmbeC1.c1,2003,12 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,12 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,12 5:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,12 6:30:00,30 ,       0,0.001124,0.000037,0.000205
sgpcmbeC1.c1,2003,12 7:30:00,31 ,       0,6.890183,2.140911,1.725352
sgpcmbeC1.c1,2003,12 8:30:00,31 ,2.815991,70.22282,28.29132,15.46078
sgpcmbeC1.c1,2003,12 9:30:00,31 ,5.101836,189.2988,66.78116,40.37614
sgpcmbeC1.c1,2003,1210:30:00,31 ,8.352184,247.1253,92.85175,55.72833
sgpcmbeC1.c1,2003,1211:30:00,31 ,3.608524,345.0902,105.6348,73.80672
sgpcmbeC1.c1,2003,1212:30:00,31 ,3.996781,380.6711,111.5915, 80.5299
sgpcmbeC1.c1,2003,1213:30:00,31 ,2.565529,370.4922,100.6189,77.19863
sgpcmbeC1.c1,2003,1214:30:00,31 ,7.150307,290.3416,84.25656, 59.5501
sgpcmbeC1.c1,2003,1215:30:00,31 ,6.172083, 188.576,58.70128,41.12818
sgpcmbeC1.c1,2003,1216:30:00,31 ,0.370667,72.27913,22.25811,15.41896
sgpcmbeC1.c1,2003,1217:30:00,31 ,       0,2.357089,0.692004,0.634304
sgpcmbeC1.c1,2003,1218:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,1219:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,1220:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,1221:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,1222:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,1223:30:00,29 ,       0,0.001257,0.000043,0.000233