Results calculated from observations of the temperature in the shade, and of the wet and dry bulb thermometers taken at Ugi at 9 a.m., by Mr. F. Howard.[506]
[506] The instruments were supplied by me. The Thermometer was by Negretti and Zambra: and the wet and dry bulbs were good reliable instruments. They were all first compared with the ship’s instruments, which were supplied by the Meteorological Office after being verified at Kew.
| THERMOMETER IN SHADE. | HYGROMETER.[507] | |||||||
|---|---|---|---|---|---|---|---|---|
| MONTH. | Highest. | Lowest. | Mean. | Mean Dry Bulb. | Mean Wet Bulb. | Mean Dew Point. | Mean Elastic Force of Aqueous Vapour. | Mean Relative Humidity, Saturation 100. |
| 1882. | ||||||||
| October | 87 | 76 | 81·7 | ... | ... | ... | ... | ... |
| November | 84 | 78 | 80·5 | ... | ... | ... | ... | ... |
| December | 84 | 80 | 81·4 | ... | ... | ... | ... | ... |
| 1883. | ||||||||
| January | 86 | 79 | 82·0 | ... | ... | ... | ... | ... |
| February | 85 | 79 | 81·5 | 81·6 | 78·0 | 75·6 | ·885 | 82 |
| March | 86 | 78 | 81·8 | 81·7 | 78·3 | 76·0 | ·898 | 83 |
| April | 83 | 76 | 80·0 | 80·1 | 77·8 | 76·2 | ·904 | 88 |
| May | 85 | 78 | 81·6 | 81·6 | 78·2 | 75·9 | ·895 | 83 |
| June | 84 | 77 | 80·6 | 80·6 | 77·5 | 75·4 | ·880 | 84 |
| July | 83 | 77 | 80·2 | 80·2 | 78·0 | 76·4 | ·912 | 89 |
| August | 84 | 77 | 80·3 | 80·3 | 76·9 | 74·6 | ·857 | 83 |
| September | 84 | 77 | 80·9 | 80·9 | 76·9 | 74·2 | ·846 | 81 |
| October | 85 | 76 | 82·0 | 82·0 | 77·0 | 73·6 | ·830 | 76 |
| November | 86 | 77 | 82·0 | 82·0 | 77·8 | 74·9 | ·867 | 79 |
| December | 84 | 79 | 81·3 | 81·4 | 78·0 | 75·7 | ·891 | 83 |
| 81·2—Mean for 1883. | ||||||||
[507] Calculated from Glaisher’s Tables.
WIND-RECORD FOR EACH MONTH.
Prepared from the observations taken on board H.M.S. “Lark,” and by Messrs. Sproul and Howard, at Santa Anna and Ugi.
January.
1883. At Ugi, S.W. to W. in first half; variable in latter half; S.E. 1 day. At Santa Anna, N.W. and W.; S.E. 5 days; occasional squalls.
February.
1833. At Ugi and Santa Anna, N.W. to S.W.; no S.E.; latter part, fresh winds and squalls.