datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2007,04 0:30:00,29 ,443.8843,461.8509,451.2868,4.386832
twpcmbeC1.c1,2007,04 1:30:00,29 ,441.6549,459.8341,450.4958,4.420785
twpcmbeC1.c1,2007,04 2:30:00,29 ,441.6182,459.8201,449.2614,4.510098
twpcmbeC1.c1,2007,04 3:30:00,29 ,439.9031,458.0402,449.3284,4.822206
twpcmbeC1.c1,2007,04 4:30:00,29 ,439.3366,  459.33,449.3094,5.189456
twpcmbeC1.c1,2007,04 5:30:00,29 ,438.8008, 462.219,448.6895,5.508462
twpcmbeC1.c1,2007,04 6:30:00,29 , 441.531, 462.622,451.5179,5.584575
twpcmbeC1.c1,2007,04 7:30:00,29 ,445.0849,483.9525,469.7305,8.986288
twpcmbeC1.c1,2007,04 8:30:00,29 ,447.3951,503.3716,488.5494,14.27103
twpcmbeC1.c1,2007,04 9:30:00,29 ,454.0761,524.5398,500.7804,19.63846
twpcmbeC1.c1,2007,0410:30:00,29 ,456.3639,540.0065,512.0449,24.01438
twpcmbeC1.c1,2007,0411:30:00,29 ,470.8477,541.7551,521.9663,21.64585
twpcmbeC1.c1,2007,0412:30:00,29 ,478.2955,545.7467, 520.456,20.10726
twpcmbeC1.c1,2007,0413:30:00,29 ,479.9128,541.8532,515.9723,21.38054
twpcmbeC1.c1,2007,0414:30:00,29 ,461.2753,535.0975,506.4139,20.98681
twpcmbeC1.c1,2007,0415:30:00,29 ,460.7447,523.5186,494.1954,17.57445
twpcmbeC1.c1,2007,0416:30:00,29 ,457.8994,509.5651, 483.015,  12.979
twpcmbeC1.c1,2007,0417:30:00,29 , 455.937,485.2187,470.7591,7.460962
twpcmbeC1.c1,2007,0418:30:00,29 ,446.8921,465.8516,459.8076,4.276575
twpcmbeC1.c1,2007,0419:30:00,29 ,449.4449,464.5819,456.9869,4.000406
twpcmbeC1.c1,2007,0420:30:00,29 ,449.1429,463.1906,455.8874,4.028072
twpcmbeC1.c1,2007,0421:30:00,29 ,448.6273, 462.297,454.4313,3.692686
twpcmbeC1.c1,2007,0422:30:00,29 ,446.9757,462.0463,453.2818,3.695372
twpcmbeC1.c1,2007,0423:30:00,29 ,445.6672,461.0137,452.4197,3.978782