datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2006,12 0:30:00,31 ,441.0284,460.7209,452.9929,4.257925 twpcmbeC2.c1,2006,12 1:30:00,31 , 440.413,460.8107,452.6169,4.267879 twpcmbeC2.c1,2006,12 2:30:00,31 ,440.2436,460.2968,452.1941,3.985117 twpcmbeC2.c1,2006,12 3:30:00,31 ,442.0894,459.4341,451.3006,4.072753 twpcmbeC2.c1,2006,12 4:30:00,31 ,441.4659,458.7293, 450.788,4.046256 twpcmbeC2.c1,2006,12 5:30:00,31 ,441.5298,457.6486,450.1695,3.646123 twpcmbeC2.c1,2006,12 6:30:00,31 ,443.3119,457.5958,450.4779,3.894543 twpcmbeC2.c1,2006,12 7:30:00,31 , 445.647,463.0825,456.8208,4.437594 twpcmbeC2.c1,2006,12 8:30:00,31 ,445.4112,483.8035,469.6348,10.99041 twpcmbeC2.c1,2006,12 9:30:00,31 ,444.2564,502.3301,481.5571,15.95203 twpcmbeC2.c1,2006,1210:30:00,31 ,445.1022,521.1945,489.1746,18.88093 twpcmbeC2.c1,2006,1211:30:00,31 ,449.6352,533.5965, 495.576,21.71762 twpcmbeC2.c1,2006,1212:30:00,31 , 454.456,552.1663, 499.691,24.17244 twpcmbeC2.c1,2006,1213:30:00,31 ,453.1338,545.0223, 499.853,22.05236 twpcmbeC2.c1,2006,1214:30:00,31 ,460.1898,534.5903,497.7795,17.91263 twpcmbeC2.c1,2006,1215:30:00,31 ,461.6561,526.2084,492.6238,15.21363 twpcmbeC2.c1,2006,1216:30:00,31 ,455.7455,510.9967,485.7397,12.88844 twpcmbeC2.c1,2006,1217:30:00,31 ,453.8793,492.1572,475.1096,9.781582 twpcmbeC2.c1,2006,1218:30:00,31 ,449.4713,472.3874,463.5296,5.818346 twpcmbeC2.c1,2006,1219:30:00,31 , 447.036,464.9657,458.0067,4.434803 twpcmbeC2.c1,2006,1220:30:00,31 ,447.4157,462.4275,456.2733,4.206325 twpcmbeC2.c1,2006,1221:30:00,31 ,448.6342,463.6686,455.5939,3.637628 twpcmbeC2.c1,2006,1222:30:00,31 ,446.6092,460.9063,455.3706,3.493841 twpcmbeC2.c1,2006,1223:30:00,31 , 447.65,459.6294,454.2206,3.422368