Table IX.
Monthly Extremes of the Principal Meteorological Elements registered during the year, 1909.
BAROMETER. TEMPERATURE. HUMIDITY. VAPOUR TENSION. RAIN. VELOCITY. WIND RADIATION. Max. Min. Max. Min. Min. Max. Min. Daily Max. Hourly Max. Max. Sun Max. January, 30.223 29.757 73.4 50.8 52 0.636 0.255 1.160 0.600 40 121.2 February, .275 .739 73.4 48.7 41 0.676 0.189 0.450 0.165 39 126.9 March, .276 .647 77.8 53.0 46 0.838 0.243 1.000 0.300 40 128.1 April, .001 .640 85.7 61.6 28 0.863 0.195 0.790 0.650 40 137.3 May, 29.931 .600 85.5 62.0 36 0.924 0.341 2.260 0.620 34 137.1 June, .835 .467 90.0 73.9 57 1.005 0.666 2.610 0.550 40 141.5 July, .874 .436 90.8 74.6 56 1.065 0.708 2.820 0.740 48 144.5 August, .838 .481 90.5 74.9 51 1.008 0.707 1.720 0.705 34 141.1 September, .866 .386 90.7 76.2 42 1.017 0.506 2.685 1.800 37 142.8 October, 30.003 .101 90.5 65.3 49 0.939 0.492 6.375 0.830 75 139.2 November, .203 .764 82.8 54.8 20 0.794 0.171 0.035 0.015 34 138.8 December, .328 .791 77.9 50.8 23 0.626 0.129 31 126.0 Year, 30.328 29.101 90.8 48.7 20 1.065 0.129 6.375 1.800 75 144.5E 9