Journal of the Straits Branch of the Royal Asiatic Society/Volume 1/Meteorological Returns, 1877
METEOROLOGICAL RETURNS, 1877
ANNUAL ABSTRACT OF METEOROLOGICAL OBSERVATIONS FOR THE YEAR 1877. SINGAPORE LAT 1º 17’ N. LONG. 103º 51’ E.
| Months | Barometrical Readings Corrected and Reduced to 32º F. | Hygrometer. | Self Registering Thermometers. | Rainfall in 24 Hours (Gauge 2 feet from the ground.) | Mean direction of the Wind. | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9 a.m. | 3 p.m. | 9 p.m. | Diurnal range. | Means. | 9 a.m. | 3 p.m. | 9 p.m. | Means. | Maximum in Sun's rays (in vacuo.) | Minimum on Grass | Maximum in Shade. | Minimum in Shade. | Diurnal range. | Approximate Temperature. | F.&O. Co.'s Depot New Harbour. | General Hospital Sepoy Lines | Jail Hospital Brass Basah Road. | Hospital Kandang Kerbau. | Pauper Hospital Serangoon Road. | Mount Pleasant Thompson Road. | Water Works Reservoir Thompson Road. | Mean Rainfall. | |||||||
| Dry | Wet | Dry | Wet | Dry | Wet | Dry | Wet | ||||||||||||||||||||||
| Inches | Inches | Inches | Inches | Inches | ºF | ºF | ºF | ºF | ºF | ºF | ºF | ºF | ºF | ºF | ºF | ºF | ºF | ºF | Inches | Inches | Inches | Inches | Inches | Inches | Inches | Inches | |||
| January | 29.984 | 29.934 | 29.967 | .081 | 29.952 | 80.7 | 75.4 | 83.1 | 75.9 | 75.5 | 73.4 | 79.8 | 74.9 | 151.0 | 96.8 | 86.8 | 70.6 | 15.2 | 78.2 | 3.30 | 4.03 | 2.81 | 3.08 | 2.21 | 2.45 | 2.35 | 2.89 | N. E. | |
| February | .981 | .884 | .946 | .089 | .937 | 81.1 | 75.9 | 83.8 | 77.2 | 75.9 | 74.1 | 80.3 | 75.7 | 150.0 | 66.2 | 86.9 | 70.9 | 18.0 | 78.9 | 2.78 | 5.54 | 7.04 | 7.38 | 6.29 | 5.94 | 5.21 | (illegible text).74 | N. E. | |
| March | .952 | .843 | .915 | .109 | .903 | 82.3 | 76.3 | 84.7 | 77.7 | 76.9 | 74.9 | 81.3 | 76.3 | 153.7 | 88.6 | 87.8 | 72.1 | 15.5 | 79.9 | 1.89 | 4.51 | 4.78 | 5.10 | 4.32 | 7.17 | 7.3 | 5.01 | N. E. Morning & Evening S. E. & S. W. during the day. | |
| April | .915 | .806 | .896 | .109 | .869 | 84.9 | 78.6 | 87.5 | 78.8 | 79.0 | 76.7 | 83.8 | 78.0 | 164.0 | 69.2 | 89.5 | 73.3 | 16.2 | 81.4 | 1.08 | 1.15 | 1.80 | 2.12 | 1.10 | 0.49 | 1.55 | 1.37 | N. E. Morning & Evening S. E. & S. W. during the day.do. | |
| May | .893 | .800 | .875 | .096 | .856 | 84.7 | 79.2 | 86.6 | 79.4 | 80.6 | 78.2 | 84.0 | 78.9 | 151.9 | 71.3 | 89.2 | 75.3 | 13.9 | 82.2 | 0.97 | 4.83 | 3.60 | 4.42 | 4.23 | 5.20 | 5.09 | 4.05 | S. E. & S. W. | |
| June | .938 | .849 | .913 | .090 | .900 | 81.9 | 77.6 | 84.0 | 78.1 | 79.3 | 76.1 | 81.8 | 77.5 | 142.0 | 70.0 | 88.0 | 74.2 | 11.8 | 80.1 | 1.04 | 13.63 | 13.53 | 13.10 | 12.31 | 13.26 | 13.41 | 11.47 | S. E. & S. W.do. | |
| July | .936 | .859 | .913 | .078 | .903 | 82.0 | 77.8 | 83.7 | 77.7 | 80.0 | 77.0 | 81.0 | 77.5 | 149.0 | 70.6 | 86.0 | 74.8 | 11.2 | 80.4 | 1.20 | 5.78 | 7.21 | 7.72 | 6.82 | 0.68 | (illegible text).51 | 5.70 | S. E. & S. W.do. | |
| August | .951 | .855 | .914 | .096 | .917 | 83.3 | 77.9 | 86.0 | 77.5 | 80.7 | 76.5 | 83.3 | 77.3 | 150.0 | 72.7 | 87.6 | 76.4 | 11.2 | 82.0 | 4.14 | 3.73 | 4.78 | 4.05 | 3.94 | 4.35 | 3.03 | 3.0 | S. E. & S. W.do. | |
| September | .958 | .834 | .934 | .106 | .915 | 84.1 | 78.1 | 85.9 | 77.5 | 79.9 | 76.3 | 83.3 | 77.3 | 152.0 | 71.0 | 88.5 | 74.3 | 14.2 | 81.4 | 3.83 | 2.12 | 3.27 | 3.54 | 2.17 | 2.05 | 2.21 | 2.74 | S. E. & S. W.do. | |
| October | .959 | .855 | .937 | .104 | .917 | 84.9 | 78.3 | 85.8 | 78.0 | 79.3 | 74.2 | 83.3 | 76.8 | 155.0 | 70.1 | 89.6 | 74.1 | 15.5 | 81.8 | 3.08 | 2.21 | 1.68 | 1.23 | 1.37 | 2.06 | 2.97 | 2.09 | S. E. & S. W.do. | |
| November | .940 | .833 | .928 | .108 | .901 | 83.9 | 78.1 | 84.7 | 77.8 | 77.1 | 75.9 | 81.9 | 77.2 | 156.5 | 71.0 | 89.5 | 74.1 | 15.4 | 81.8 | 4.18 | 3.91 | 5.21 | 5.52 | 4.23 | 6.82 | 6.85 | 5.24 | N. W. and N. E. | |
| December | .912 | .899 | .890 | .103 | .870 | 83.2 | 77.9 | 83.8 | 78.2 | 77.8 | 76.4 | 81.6 | 77.5 | 155.8 | 72.3 | 88.5 | 74.3 | 14.2 | 81.4 | 5.24 | 4.49 | 5.48 | 7.56 | 9.20 | 10.77 | 13.64 | 8.07 | N. E. | |
| Means | 29.943 | 29.846 | 29.918 | .697 | 29.903 | 83.1 | 77.6 | 84.9 | 77.8 | 78.5 | 75.8 | 82.1 | 77.0 | 151.7 | 70. | 87.9 | 73.7 | 14.2 | 80.8 | 32.71[1] | 55.93[1] | 61.19[1] | 65.14[1] | 58.28[1] | 61.24[1] | 74.14[1] | 58.37[1] | ||
- Highest reading of Barometer during the year 30.084 inches
- Lowest reading of Barometerdo. during the yeardo. 20.769
- Highest Temperature Observed 92.5º
- Lowest Temperaturedo. Observeddo. 66.
Singapore, 1st January, 1878.
T. IRVINE ROWELL, M.D.
- Principal Civil Medical Officer S. S.