datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,12 0:30:00,31 ,204.4542,353.8183,277.2286,44.40111
sgpcmbeC1.c1,2002,12 1:30:00,31 ,204.7369,352.9923, 273.733,43.90797
sgpcmbeC1.c1,2002,12 2:30:00,31 , 207.169,339.9283,272.8806,42.83748
sgpcmbeC1.c1,2002,12 3:30:00,31 ,209.7173, 339.411,272.2541,43.74594
sgpcmbeC1.c1,2002,12 4:30:00,31 ,210.8557,338.1472,270.3595,41.86837
sgpcmbeC1.c1,2002,12 5:30:00,31 ,210.9413,341.8589,273.5579,40.57979
sgpcmbeC1.c1,2002,12 6:30:00,31 ,210.4392,343.0313,272.2684,39.12129
sgpcmbeC1.c1,2002,12 7:30:00,31 ,206.0448,343.8603,268.8477,39.93152
sgpcmbeC1.c1,2002,12 8:30:00,31 ,204.5953,344.0398, 267.886,40.00298
sgpcmbeC1.c1,2002,12 9:30:00,31 ,204.3867, 344.408,270.3285,39.35665
sgpcmbeC1.c1,2002,1210:30:00,31 ,205.6993,345.5719,272.9316,38.41527
sgpcmbeC1.c1,2002,1211:30:00,31 ,209.0457,345.4325,277.7712,37.39319
sgpcmbeC1.c1,2002,1212:30:00,31 ,211.8285,348.3892,279.9244,37.85713
sgpcmbeC1.c1,2002,1213:30:00,31 ,214.6722, 353.454,284.7415, 36.8892
sgpcmbeC1.c1,2002,1214:30:00,31 ,217.3193, 356.651,284.8474,36.28958
sgpcmbeC1.c1,2002,1215:30:00,31 , 218.093,357.7977,287.8296,37.36559
sgpcmbeC1.c1,2002,1216:30:00,31 , 217.349, 356.871,286.6806,  38.704
sgpcmbeC1.c1,2002,1217:30:00,31 ,216.4722,356.3768,282.6824,41.00244
sgpcmbeC1.c1,2002,1218:30:00,31 ,209.9722,355.1136,279.5635,41.96301
sgpcmbeC1.c1,2002,1219:30:00,31 ,202.6185,358.6606,280.1151,43.04073
sgpcmbeC1.c1,2002,1220:30:00,31 , 197.398,376.3503,280.4661,44.67205
sgpcmbeC1.c1,2002,1221:30:00,31 ,196.2292,369.1342, 281.186,45.02972
sgpcmbeC1.c1,2002,1222:30:00,31 ,198.7285,348.0703,279.5136,44.49435
sgpcmbeC1.c1,2002,1223:30:00,31 , 202.666,352.5301,278.3876,44.54459