datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,12 0:30:00,31 ,       0,1.850067,0.220825,0.546001
sgpcmbeC1.c1,2004,12 1:30:00,31 ,       0,0.998518,0.091566,0.255286
sgpcmbeC1.c1,2004,12 2:30:00,31 ,       0,0.552718, 0.03806,0.125097
sgpcmbeC1.c1,2004,12 3:30:00,31 ,       0,1.297089,0.099456,0.274075
sgpcmbeC1.c1,2004,12 4:30:00,31 ,       0, 1.18647,0.087289,0.252095
sgpcmbeC1.c1,2004,12 5:30:00,31 ,       0,0.547233,0.034503,0.111268
sgpcmbeC1.c1,2004,12 6:30:00,31 ,       0,0.502759,0.025062,  0.1014
sgpcmbeC1.c1,2004,12 7:30:00,31 ,1.114652,12.99663,6.477929,2.638335
sgpcmbeC1.c1,2004,12 8:30:00,31 ,16.81902,65.27946,42.73333,10.93937
sgpcmbeC1.c1,2004,12 9:30:00,31 ,43.78424,163.5367,85.78047,39.32166
sgpcmbeC1.c1,2004,1210:30:00,31 ,40.17101,233.4253,103.7505,58.18729
sgpcmbeC1.c1,2004,1211:30:00,31 ,37.32192,273.1672,115.7492,71.06943
sgpcmbeC1.c1,2004,1212:30:00,31 ,44.28357,283.9384,124.3193,78.93563
sgpcmbeC1.c1,2004,1213:30:00,31 ,60.07343,269.9232,109.6284,64.13812
sgpcmbeC1.c1,2004,1214:30:00,31 ,12.30763, 222.447,101.5428,62.14888
sgpcmbeC1.c1,2004,1215:30:00,31 ,13.27001,151.8458,81.22694,38.59472
sgpcmbeC1.c1,2004,1216:30:00,31 ,18.27446,71.97318,44.58815,13.56297
sgpcmbeC1.c1,2004,1217:30:00,31 ,3.354264,7.811478,5.582458,1.206009
sgpcmbeC1.c1,2004,1218:30:00,31 ,       0,2.189475,0.621219,0.662852
sgpcmbeC1.c1,2004,1219:30:00,31 ,       0,1.121045,0.311274,0.387759
sgpcmbeC1.c1,2004,1220:30:00,31 ,       0,1.917385,0.392407,0.490309
sgpcmbeC1.c1,2004,1221:30:00,31 ,       0,1.107627,0.177688,0.301268
sgpcmbeC1.c1,2004,1222:30:00,31 ,       0,0.908898,0.151814,0.256042
sgpcmbeC1.c1,2004,1223:30:00,31 ,       0,0.982853,0.107027,0.258039