1918— January │ 54.27│19.29│ 27.41│18.74│ 40.88│ 29.27│ 32.29│ 222.17 February │ 54.00│20.57│ 28.76│18.84│ 42.38│ 29.58│ 32.85│ 227.02 March │ 55.49│20.91│ 27.12│19.19│ 42.21│ 29.91│ 33.11│ 227.97 April │ 57.03│22.24│ 24.15│20.32│ 43.32│ 29.50│ 33.72│ 230.31 May │ 51.32│22.46│ 23.70│21.41│ 43.45│ 29.88│ 34.42│ 226.66 June │ 48.36│22.36│ 23.82│21.09│ 44.70│ 29.93│ 34.55│ 224.84 July │ 51.42│23.71│ 24.75│21.92│ 45.23│ 30.17│ 35.34│ 232.57 August │ 51.62│23.08│ 24.68│22.30│ 44.28│ 30.34│ 35.73│ 232.05 September│ 50.31│23.66│ 25.00│22.49│ 44.73│ 30.60│ 36.05│ 232.88 October │ 49.19│22.90│ 26.43│23.01│ 44.53│ 30.67│ 36.47│ 233.22 November │ 47.47│21.93│ 27.33│23.36│ 43.67│ 30.55│ 36.20│ 230.52 December │ 47.94│21.55│ 27.63│23.40│ 43.15│ 30.39│ 36.28│ 230.37 │ │ │ │ │ │ │ │ 1919— January │ 48.59│22.19│ 27.13│23.96│ 43.19│ 28.76│ 36.29│ 230.14 February │ 44.99│21.53│ 24.70│23.40│ 42.24│ 28.58│ 34.58│ 220.05 March │ 44.63│22.02│ 22.93│23.84│ 40.46│ 28.21│ 34.91│ 217.03 April │ 49.03│22.89│ 24.44│23.82│ 39.17│ 25.63│ 34.96│ 219.97 May │ 48.87│24.36│ 26.12│22.72│ 39.56│ 25.79│ 34.75│ 222.19 June │ 51.23│24.71│ 26.90│22.80│ 41.79│ 25.55│ 34.95│ 227.97 July │ 51.72│25.66│ 26.16│23.34│ 45.62│ 25.75│ 35.43│ 233.70 August │ 54.75│25.10│ 26.87│23.69│ 48.55│ 26.60│ 36.05│ 241.65 September│ 53.23│23.79│ 26.29│23.47│ 47.92│ 26.53│ 37.09│ 238.34 October │ 48.00│20.08│ 27.98│23.38│ 49.85│ 26.57│ 39.97│ 235.86 November │ 47.52│19.14│ 28.73│24.15│ 51.40│ 26.71│ 40.89│ 238.57 December │ 48.28│20.00│ 30.09│24.63│ 52.28│ 27.72│ 41.61│ 244.63 │ │ │ │ │ │ │ │ 1920— January │ 48.94│19.96│ 29.08│24.94│ 52.78│ 28.96│ 42.73│ 247.39 February │ 50.63│20.94│ 28.84│25.45│ 54.42│ 29.76│ 43.72│ 253.75 ───────────────┴───────────┴─────┴──────┴─────┴────────┴──────┴───────────┴───────