Annual report of the Medical Department / North Borneo.

  • North Borneo. Medical Department.
Date:
[1937]
Catalogue details

Licence: Public Domain Mark

Credit: Annual report of the Medical Department / North Borneo. Source: Wellcome Collection.

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    II.—METEOROLOGICAL OF NORTH BORNEO. 10. The equipment at Sandakan includes the following instruments: Mercury barometer Stevenson screen with wet aud dry bulb Hygrometer and Maximum and Minimum thermometers. Five-inch rain-gauge, ‘‘Snowdon” Pattern. Dines pressure tube anemometer recording speed. The equipment at auxiliary stations at Tawau, Semporna, Kudat, Jesselton, Beaufort, Tenom, Keningau and Tambunan consists of wet and dry bulb Hygrometer, and maximum and minimum thermometers together with a standard rain-gauge of five inches diameter. In addition standard rain-gauges of five inches diameter are also provided at eighteen other stations. Temperature. 11. The mean temperature for the year was 81.0° Fahrenheit and the mean daily range was 16.2 degrees. The recorded extremes were 97° at Beaufort, in the West Coast Residency, and minimum 59° at Tambunan (1,800 feet above sea level) also in the West Coast Residency. Rainfall. 12. The mean rainfall for the year, of observations recorded at twenty-seven stations, was 111.2 inches, compared with 100.1 inches in 1936. Mean Rainfall during the last six years. Year. Rainfall in inches. Year. Rainfall in inches. 1937 ... 111.2 1934 128.4 1936 ... 100.1 1933 106.9 1935 ... 102.1 1932 123.6 13. The mean rainfall during the year in each Residency was Rainfall in inches. as follows : — Difference from normal. West Coast Residency (18 stations) 117.2 + 10.0 inches East Coast Residency (9 stations) 99.2 + 2.2 inches. Telegraphic Reports of Weather Information. 14. Observations of barometric pressure, temperature, humidity, wind direction and force, visibility, wTeather and state of the sea v7ere recorded daily at Sandakan at 6 a.m., 9 a.m., 2 p.m. and 8 p.m. and returns incorporating these observations wTere forwarded at the end of each month to the Director of the Meteorological Office of the Air Ministry in London. Observations taken at 6 a.m. and 2 p.m. were forwarded daily by wireless telegraphy to the Royal Observatory, Hong .Kong, and the Superintendent, Malayan Meteorological Service, Singapore. 15. Summary of Meteorological Observations takeu at fixed hours at Sandakan. Latitude 5° 50' N. Longitude 118° 07' E. ( 06th. 00m. Hours of J 09th. 00m. observation. J 14th. 00m. ( 20th. 00m. TEMPERATURE. PRECIPITATION Pressure. t Absolute. Mean Value. Mean. ( A--. Month. Mean of Day at M. S. L. Max. Min. Max. 1 Min. 2 Max. & Mill. Diff. from Normal Wet Bulb. Relative Humidity Mean Cloud Amount Amount inches. Difference from normal Days. January mb. 1008.9 O 90 °F 72 °E 85.8 oP 74.8 °F 80.3 o F + 0.5 c F 76.8 % 88 0-1U. 8.9 19.58 inches. + 0.18 22 February 1011.1 88 73 86.9 75.4 81.1 + 0.9 77.1 85 7.8 4.58 —5.39 13 March 1008.8 90 74 88.5 76.1 82.3 + 1.3 77.5 80 6.7 0.65 —7.82 8 April 1008.5 91 74 88.5 76.6 82.5 + 0.3 78.2 84 7.9 4.01 —0.48 18 May 1009.4 92 74 89.2 76.2 82.7 + 0.2 77.8 84 7.0 10.90 + 4.57 14 June 1008.7 92 72 89.7 75.9 82.8 + 1.1 77.5 84 6.8 7.17 —0.33 13 July 1008.1 91 72 89.1 74.9 82.0 + 0.2 76.9 84 7.7 10.84 + 4.12 15 August 1008.3 92 73 89.4 75.2 82.3 + 0.5 76.8 83 7.9 (3.13 —1.76 12 September 1009.8 92 73 88.7 75.3 82.0 + 0.3 77.1 83 7.2 7.60 —1.73 17 October 1009.3 91 72 88.5 74.9 81.7 + 0.3 77.4 83 8.6 11.55 + 1.22 18 November 1008.4 90 73 87.2 75.3 81.3 + 0.4 77.9 84 7.7 16.23 + 1.51 19 December 1008.6 89 71 85.2 74.9 80.1 —0.1 76.8 87 8.9 22.90 + 4.26 22 For Year 1009.0 92 71 88.1 75.5 81.8 + 0.5 77.3 84 7.8 122.14 —2.65 191