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 1918
[Report of the Medical Officer of Health for Croydon]
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TABLE X
METEOROLOGICAL RECORD-YEAR 1918.
Rain Gauge 5-in. in diameter, 1-ft. above ground, 146-ft. above sea level. Temperature taken in the shade ot a Stevenson's Screen, 4-ft. from the ground. The Ground Thermometer is suspended in an iron tube, the
bulb being 4-ft.
| Months 1915. | 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 | Rainfall. | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Highest. | Lowest. | Mean of | No. of Days on which Rain fell. | Amount in Inches. | Difference from average 90 years at Greenwich | |||||||
| All Highest. | All Lowest. | |||||||||||
| January | 56° | 17° | 44° 2 | 33° .5 | 38°.8 | + 0°.3 | 40°.8 | 36° .4 | in — .040 | 16 | in. 3.18 | in. + 1.39 |
| February | 68° | 22° | 49°-6 | 38°.2 | 43° .9 | + 4°.4 | 42° .6 | 40° .8 | — .018 | 13 | 0 .98 | -58 |
| March | 70° | 26° | 53° 5 | 35° .2 | 44° .3 | + 2° .6 | 42°.8 | 39° .9 | — .029 | 9 | 0 .99 | — .52 |
| April | 65° | 31° | 52° 5 | 38° .4 | 45° .4 | - l°.8 | 44°.6 | 40° .7 | — .041 | 21 | 4 .17 | + 2 .57 |
| May | 37° | 40" | 69° 9 | 47°.7 | 58°.8 | + 5°.7 | 50°.1 | 49° .9 | — .002 | 10 | 2 .00 | + .13 |
| June | 81° | 38° | 68° 6 | 47°.2 | 57° .9 | - l°.5 | 54°.5 | 48° .4 | — .085 | 9 | 0 .83 | — 1 .20 |
| July | 82° | 46° | 72° 6 | 53°.0 | 62°.8 | + 0° .3 | 56° .9 | 54° .6 | — .037 | 18 | 5.87 | + 3.46 |
| August | 88° | 47° | 72° 5 | 53° .9 | 63° .2 | + l°.6 | 58° .4 | 55°.8 | — .043 | 12 | 0.92 | 1.46 |
| September | 73° | 38° | 65° 0 | 50° .9 | 57°.9 | † 0°.7 | 56° .6 | 51°.7 | — .075 | 22 | 4 .16 | + 1.96 |
| Octobcr | 65° | 32° | 56° 4 | 43° .6 | 50° .0 | 0° .0 | 52°.2 | 46° .7 | — .072 | 18 | 1 .61 | -1.12 |
| November | 59° | 29° | 49° 6 | 36° .4 | 43° .0 | - 0° 2 | 48.2 | 39° .9 | — .092 | 19 | 2 .49 | + 2.20 |
| December | 60° | 28° | 49° 7 | 41° .4 | 45° .5 | + 5°.8 | 47° .0 | 43°.0 | — 0.46 | 23 | 2 .58 | + .64 |
| Means and Totals for the Year. | 88° Aug. 22 87° May 21 | 17° on Jan. 9th | 58° 7 | 43° .3 | 51°.0 | + 1° .5 | 49° .6 | 45° .6 | —0 048 | 190 | 29 .78 | + 5.50 |
The Rainfall for the Year was 3.68 inches above the average of 50 years at Croydon, and the number of days on which
it rained was 190 or 27 days above the average. GEO. CORDKN, F.R. Met. Soc.,
Croydon.