datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2002,01 0:30:00,31 ,438.5813,456.4107,446.5929,4.842476 twpcmbeC1.c1,2002,01 1:30:00,31 ,436.7379,453.3058,445.8743,5.107016 twpcmbeC1.c1,2002,01 2:30:00,31 ,435.3375,453.4367, 444.879,5.270224 twpcmbeC1.c1,2002,01 3:30:00,31 ,435.2484,452.6852,444.9528,5.403676 twpcmbeC1.c1,2002,01 4:30:00,31 ,434.7548,451.9632,444.0805,5.557265 twpcmbeC1.c1,2002,01 5:30:00,31 ,434.8058, 451.332,443.7419,5.255968 twpcmbeC1.c1,2002,01 6:30:00,31 ,437.2112,453.5428,446.3013,4.531595 twpcmbeC1.c1,2002,01 7:30:00,31 ,443.9594,476.5493,462.7592,7.532144 twpcmbeC1.c1,2002,01 8:30:00,31 ,449.1219,505.7516,480.8416,15.46202 twpcmbeC1.c1,2002,01 9:30:00,31 ,455.6196,532.8056,495.4115,20.26828 twpcmbeC1.c1,2002,0110:30:00,31 ,448.3039,551.6071,508.6715,26.24146 twpcmbeC1.c1,2002,0111:30:00,31 ,449.6132,567.5437,516.7348,30.89686 twpcmbeC1.c1,2002,0112:30:00,31 ,449.7078,573.5272,515.1475,33.99061 twpcmbeC1.c1,2002,0113:30:00,31 ,446.2349,571.7274,511.0468,36.28552 twpcmbeC1.c1,2002,0114:30:00,31 ,449.4373,556.8967,504.0566,30.56575 twpcmbeC1.c1,2002,0115:30:00,31 ,442.9743,542.9771, 491.608,24.18778 twpcmbeC1.c1,2002,0116:30:00,31 ,442.1961,517.3766,483.9387,19.47973 twpcmbeC1.c1,2002,0117:30:00,31 ,445.7631,491.5003, 469.627,11.02876 twpcmbeC1.c1,2002,0118:30:00,31 ,446.3033,465.4984,457.0438,4.878894 twpcmbeC1.c1,2002,0119:30:00,31 ,441.5065,461.6926,452.6134,4.586345 twpcmbeC1.c1,2002,0120:30:00,31 ,439.6453,459.9671,450.8571,4.471123 twpcmbeC1.c1,2002,0121:30:00,31 ,441.8304,458.2594,449.5794, 4.12085 twpcmbeC1.c1,2002,0122:30:00,31 ,442.3766,458.1578,448.8163,4.744063 twpcmbeC1.c1,2002,0123:30:00,31 ,439.6916, 458.377,447.8935,4.925378