London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Croydon 1925
[Report of the Medical Officer of Health for Croydon]
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METEOROLOGICAL RECORD—YEAR 1925.
Rain Gauge 5.in. in diameter, 1.ft. above ground, 146.ft. above sea level Temperature taken in the shade o! a Stevenson's Screen, 4.ft. from the ground. The Ground Thermometer is suspended in an iron tube, the
bulb being 4.ft.
| Months 1925. | Temperature of Air during Month | Mean Temperature of Air. | Difference from average 50 years at Greenwich. | Mean Temperature of Ground at 4.ft. | Mean Temperature of the Dew Point. | Mean Tensional Difference between Ground and Dew Point at 9 a.m. and 3 p.m. | Rainfall. | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Highest. | Lowest. | Mean of | No. of Days on which Kain fell. | Amount collected in Inches. | Difference from average 50 years at Greenwich | |||||||
| AH Highest. | All Lowest. | |||||||||||
| January | 54° | 25° | 46°.5 | 37°.1 | 41°.8 | + 3°.3 | 43°.6 | 38°.6 | in. — .046 | 18 | in. 1.70 | in. — 0.09 |
| February | 55° | 31° | 47°.1 | 37°.4 | 42°.2 | + 2°.5 | 43°.8 | 38°.2 | — .052 | 19 | 3.98 | + 2.45 |
| March | 55° | 23° | 47°.3 | 35°.2 | 41°.2 | — 0°.5 | 42°.7 | 35°.0 | — .067 | 11 | 0.68 | — 0.83 |
| April | 64° | 30° | 54°.8 | 39°.3 | 47°.0 | — 0°.2 | 45°.1 | 41°.4 | — .037 | 16 | 2.30 | + 0.70 |
| May | 79° | 35° | 63°.6 | 47°.1 | 55°.8 | + 2°.7 | 49°.4 | 48°.1 | — .012 | 16 | 1.57 | — 0.31 |
| June | 87° | 44° | 72°.5 | 51°.1 | 61°.8 | + 2°.4 | 55°.5 | 51°.7 | — .053 | 2 | 0.12 | — 1.91 |
| July | 85° | 48° | 73°.2 | 55°.6 | 64°.4 | + 1°.9 | 58°.4 | 56°.6 | — .025 | 13 | 3.56 | + 1.15 |
| August | 77° | 47° | 54°.4 | 61°.2 | — 0°.4 | 58°.8 | — .031 | 15 | 2.36 | — 0.02 | ||
| September | 39° | 59°.9 | 46°.8 | — 3.9 | 49°.5 | — 082 | 22 | 2.45 | + 0.25 | |||
| October | 69° | 46°.6 | 52°.2 | + 2°.2 | 53°.7 | 49°.2 | — .054 | 15 | 2.69 | — 0.04 | ||
| November | 60° | 23° | 45°.4 | 35°.4 | 40°.4 | 48.5 | 37°.0 | — .113 | 14 | 2.25 | — 0.04 | |
| December | 24° | 42°.6 | 34°.4 | 38°.5 | — 1°.2 | 42°.3 | 35°.1 | — .058 | 14 | 2.21 | + 0.27 | |
| Means and Total* for Year. | 23° | 56°.6 | 43°.2 | 49°.9 | + 0°.5 | 49°.7 | 44°.7 | — .052 | 175 | 25.87 | ||
The Rainfall at Croydon was 1.83 inches above, and number of days on which rain fell was 13 above the
average of 50 years at Croydon. ' H. W. CORDEN,
Crovdon.