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
Carshalton 1938
[Report of the Medical Officer of Health for Carshalton]
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| Month. | Average Barometric Pressure | Temperature | Absolute Temp. | Rainfall | Sunshine | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Average 9 a.m. | Average Maximum | Average Minimum | Mean | Maximum | Minimum | Inches | Days | Hours | Sunless Days | ||
| January | 29.94 | 42.6 | 48.1 | 38.2 | 43.1 | 55–12th | 31–4th | 2.37 | 18 | 38.7 | 20 |
| February | 30.09 | 41.2 | 46.5 | 35.4 | 40.9 | 55–25th | 29–22nd | 0.59 | 7 | 55.1 | 16 |
| March | 30.22 | 47.5 | 59.7 | 39.1 | 49.4 | 66–20th | 28–7th | 0.54 | 4 | 179.9 | 2 |
| April | 30.21 | 45.1 | 54.8 | 36.2 | 45.5 | 64– 1st | 26–10th | 0.20 | 3 | 106.7 | 11 |
| May | 29.89 | 52.0 | 59.7 | 43.6 | 51.6 | 75–14th | 31–8th | 2.38 | 12 | 161.1 | 7 |
| June | 30.01 | 59.0 | 69.1 | 52.0 | 60.5 | 78–14th | 42–2nd | 0.50 | 6 | 207.8 | 3 |
| July | 29.86 | 59.7 | 68.5 | 53.3 | 60.9 | 82–31st | 44–1st | 1.66 | 7 | 161.3 | 3 |
| August | 29.89 | 60.1 | 71.8 | 56.7 | 64.2 | 85–1st | 42–29th | 2.40 | 12 | 172.2 | 8 |
| September | 29.87 | 57.6 | 68.0 | 50.1 | 59.0 | 78–12th | 41–15th | 2.28 | 10 | 129.6 | 6 |
| October | 29.80 | 51.6 | 58.8 | 43.2 | 51.0 | 65–17th | 28–24th | 2.83 | 16 | 105.1 | 9 |
| November | 29.82 | 50.2 | 55.5 | 43.8 | 49.6 | 70–5th | 31–28th | 3.85 | 17 | 39.7 | 20 |
| December | 29.76 | 39.8 | 46.3 | 34.5 | 40.4 | 56–12th | 19–20th | 3.15 | 16 | 23.2 | 24 |
| Totals | – | – | – | – | – | – | – | 22.75 | 128 | 1380.4 | 129 |
| Averages | 29.94 | 50.5 | 58.9 | 43.8 | 51.3 | 85.0 | 19.0 | – | – | – | – |