datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,12 0:30:00,28 ,       0,384.0564,21.70359,73.92257
sgpcmbeC1.c1,2003,12 1:30:00,28 ,       0,141.3974,14.55498,36.98659
sgpcmbeC1.c1,2003,12 2:30:00,27 ,       0,228.1432,18.19198,50.05623
sgpcmbeC1.c1,2003,12 3:30:00,27 ,       0, 197.774,12.50894,38.66755
sgpcmbeC1.c1,2003,12 4:30:00,27 ,       0,119.1195,12.99704,28.31878
sgpcmbeC1.c1,2003,12 5:30:00,27 ,       0,187.1807,18.86132,43.09823
sgpcmbeC1.c1,2003,12 6:30:00,26 ,       0,476.7537,29.13103,94.47699
sgpcmbeC1.c1,2003,12 7:30:00,26 ,       0,808.5956,40.85022,158.8221
sgpcmbeC1.c1,2003,12 8:30:00,27 ,       0, 368.377,31.33378,91.68244
sgpcmbeC1.c1,2003,12 9:30:00,28 ,       0,416.0117,24.33384,80.58593
sgpcmbeC1.c1,2003,1210:30:00,28 ,       0,336.5914,34.05558,79.83729
sgpcmbeC1.c1,2003,1211:30:00,28 ,       0,1004.296,64.48352,201.8411
sgpcmbeC1.c1,2003,1212:30:00,28 ,       0,1045.434,63.52852,202.2618
sgpcmbeC1.c1,2003,1213:30:00,28 ,       0,939.9059,56.33963,180.5397
sgpcmbeC1.c1,2003,1214:30:00,28 ,       0,  594.46,38.11472,114.7888
sgpcmbeC1.c1,2003,1215:30:00,28 ,       0, 307.833,27.54295, 65.5531
sgpcmbeC1.c1,2003,1216:30:00,28 ,       0, 258.336,26.54138,60.63668
sgpcmbeC1.c1,2003,1217:30:00,28 ,       0,258.8835,25.01087,58.78775
sgpcmbeC1.c1,2003,1218:30:00,29 ,       0,998.6357,50.79366,191.8234
sgpcmbeC1.c1,2003,1219:30:00,29 ,       0, 1433.75,81.67494,279.7438
sgpcmbeC1.c1,2003,1220:30:00,29 ,       0, 999.932,53.43374,190.9265
sgpcmbeC1.c1,2003,1221:30:00,29 ,       0,561.4031,34.95495,108.1774
sgpcmbeC1.c1,2003,1222:30:00,29 ,       0,660.9575,37.17206,127.0145
sgpcmbeC1.c1,2003,1223:30:00,29 ,       0,413.9179,21.88278,77.35409