datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2000,04 0:30:00,27 ,443.4007, 455.244,449.9499,2.824587 twpcmbeC2.c1,2000,04 1:30:00,27 ,444.2866,454.0823,448.9256,2.253921 twpcmbeC2.c1,2000,04 2:30:00,28 ,442.1804, 454.747, 448.179,3.113627 twpcmbeC2.c1,2000,04 3:30:00,28 , 442.464,455.1107,447.4838,2.964707 twpcmbeC2.c1,2000,04 4:30:00,28 ,441.2519,455.3398,446.7387,2.801204 twpcmbeC2.c1,2000,04 5:30:00,27 ,439.8527,455.6787,445.8268,3.001544 twpcmbeC2.c1,2000,04 6:30:00,28 ,437.8582,455.0912,445.2418, 3.40566 twpcmbeC2.c1,2000,04 7:30:00,27 ,443.9413,458.2221,450.3215,3.531856 twpcmbeC2.c1,2000,04 8:30:00,26 , 453.926,473.6426, 465.402,5.686893 twpcmbeC2.c1,2000,04 9:30:00,27 ,459.9094,502.1641,486.0963,10.21064 twpcmbeC2.c1,2000,0410:30:00,27 ,479.2663,521.1803,504.4015, 11.2255 twpcmbeC2.c1,2000,0411:30:00,24 ,500.9001,537.6722,524.1885,8.504082 twpcmbeC2.c1,2000,0412:30:00,28 ,493.4616,557.9721,533.9932,12.66181 twpcmbeC2.c1,2000,0413:30:00,28 ,498.9197,561.6379,538.7441, 13.3331 twpcmbeC2.c1,2000,0414:30:00,28 ,489.2332, 559.27,534.9507,16.92998 twpcmbeC2.c1,2000,0415:30:00,28 ,504.9362,546.4657, 527.07,9.115923 twpcmbeC2.c1,2000,0416:30:00,28 ,495.2419, 526.337, 510.75,7.214271 twpcmbeC2.c1,2000,0417:30:00,28 ,483.2058,502.9658,491.6986,4.786841 twpcmbeC2.c1,2000,0418:30:00,28 ,467.8436,477.9151,472.0198,2.436715 twpcmbeC2.c1,2000,0419:30:00,28 ,457.2486, 464.72,461.2765,1.904648 twpcmbeC2.c1,2000,0420:30:00,28 ,453.3622,461.7517,457.4983,1.992184 twpcmbeC2.c1,2000,0421:30:00,28 ,449.6935,459.6325,454.9269,2.519262 twpcmbeC2.c1,2000,0422:30:00,28 ,448.4473,456.8756,453.2885,2.246796 twpcmbeC2.c1,2000,0423:30:00,28 ,445.9906,458.7749,451.9358,2.975656