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 1909
[Report of the Medical Officer of Health for Croydon]
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TABLE XIII,
METEOROLOGICAL RECORD—YEAR 1909.
Rein Gauge 5-in. in diameter, 1-ft. above ground, 146-ft. above sea level. Temperature taken in the shade of a Stevenson's Screen, 4-ft. from the ground. The Ground Thermometer is suspended in an iron tube, the
bulb being 4-ft.
| Months | Temperature of Air during the 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 Rain fell. | Amount collected in Inches. | Difference from average 85 years at Greenwich | |||||||
| All Highest. | All Lowest. | |||||||||||
| in | in. | in. | ||||||||||
| January | 49° | 21° | 41°.l | 34°.2 | 37°.6 | — 0°.9 | 43°.1 | 35°.1 | 0.74 | 13 | 1.20 | — .61 |
| February | 56° | 22° | 42°.7 | 31°.0 | 36°.8 | — 2°.7 | 40°.4 | 31°.8 | .52 | 6 | .71 | — .82 |
| March | 59° | 13° | 43°.4 | 33°.7 | 38°.5 | — 3°.2 | 39°.3 | 36°.8 | .22 | 23 | 3.33 | + 1.82 |
| April | 72° | 28° | 59°.0 | 39°.5 | 49°.2 | + 2°.0 | 44°.6 | 43°.6 | .11 | 13 | 1.95 | + .35 |
| May | 83° | 34° | 64°.2 | 42°.4 | 53°.3 | + 0°.2 | 50°.0 | 46°.9 | .39 | 9 | 1.07 | — .88 |
| June | 70° | 36° | 60°.1 | 48°.2 | 54°.1 | — 5°.3 | 53°.0 | 50°.9 | .30 | 20 | 2.99 | + 1.03 |
| July | 78° | 45° | 67°.2 | 53°.1 | 60°.1 | — 2°.4 | 55°.6 | 60°.9 | .92 | 18 | 2.89 | + .44 |
| August | 89° | 4-5° | 71°.8 | 53°.1 | 62°.4 | + 0°.8 | 58°.4 | 58°.4 | .00 | 12 | 1.85 | — .47 |
| September | 72° | 39° | 60° .9 | 48°.4 | 54° 6 | — 2°.6 | 55°.8 | 54°.2 | .25 | 20 | 2.99 | + .75 |
| October | 66° | 29° | 57°.l | 47°.7 | 52°.4 | + 2°4 | 55°.2 | 51°.4 | .57 | 24 | 4.34 | + 1.63 |
| November | 55= | 26° | 46°.1 | 35°.7 | 40°.4 | — 2°.8 | 47°.5 | 39°.7 | .85 | 16 | .98 | — 1.30 |
| December | 53° | 22° | 43°.4 | 35°.1 | 39°.2 | — 0°.5 | 43°.2 | 39°.5 | .37 | 21 | 3.08 | + 1.12 |
| Means and Totals for the Year. | 89° | 13° | 54°.7 | 41°.9 | 48°.3 | —1°.2 | 48°.8 | 45°.8 | 0.43 | 195 | 27.38 | |
The Rainfall for the Year was T61 inches above, and the number of days on which rain fell 35 above the average of 40
years at Croydon. GEO. CORDEN, F.R. Met. Soc.,
Croydon.