datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2007,01 0:30:00,31 ,447.4664,464.1856,456.6516,4.767097 twpcmbeC2.c1,2007,01 1:30:00,31 , 447.955,463.3012,456.4177,4.562438 twpcmbeC2.c1,2007,01 2:30:00,31 ,446.0839,463.0457,456.2853,4.668931 twpcmbeC2.c1,2007,01 3:30:00,31 ,444.9576,462.9055,455.6201,4.899462 twpcmbeC2.c1,2007,01 4:30:00,31 ,441.0602, 462.571,455.4017,5.022701 twpcmbeC2.c1,2007,01 5:30:00,31 ,443.7932,463.7178,455.1424,4.919078 twpcmbeC2.c1,2007,01 6:30:00,31 ,441.3351,463.0232,454.3036,5.297324 twpcmbeC2.c1,2007,01 7:30:00,31 ,440.2384,465.0948,457.3199,4.727877 twpcmbeC2.c1,2007,01 8:30:00,31 ,444.8325,478.0548,467.4411,7.857843 twpcmbeC2.c1,2007,01 9:30:00,31 ,451.1728,491.7474,479.0353,11.29022 twpcmbeC2.c1,2007,0110:30:00,31 ,451.9802,504.6623,487.5296,14.50996 twpcmbeC2.c1,2007,0111:30:00,31 ,453.0124,517.3118,492.8707,16.81944 twpcmbeC2.c1,2007,0112:30:00,31 ,453.1194,514.6372,496.7568,17.59626 twpcmbeC2.c1,2007,0113:30:00,31 ,453.7885,518.9812,496.0909,16.72601 twpcmbeC2.c1,2007,0114:30:00,31 ,456.7098,518.3375,494.8668,15.58242 twpcmbeC2.c1,2007,0115:30:00,31 ,456.3795,516.4022,490.6474,12.88482 twpcmbeC2.c1,2007,0116:30:00,31 ,455.7202,499.3677,482.9628,11.63901 twpcmbeC2.c1,2007,0117:30:00,31 ,454.0313,490.2155,474.1311,8.776642 twpcmbeC2.c1,2007,0118:30:00,31 ,453.2343,473.7781,465.6468,5.303594 twpcmbeC2.c1,2007,0119:30:00,31 ,449.5491, 467.963,460.7184, 4.69767 twpcmbeC2.c1,2007,0120:30:00,31 ,448.3961,466.9349,459.6707,4.362732 twpcmbeC2.c1,2007,0121:30:00,31 ,444.9677,467.0134,458.3925,5.148653 twpcmbeC2.c1,2007,0122:30:00,31 ,447.1294,466.5522,457.8202, 4.95846 twpcmbeC2.c1,2007,0123:30:00,31 ,446.4785,464.8759,457.0891,5.172354