Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Lewisham Borough]
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Table 25 gives a record of the principal results from six stations and also give some indication of the sunshine, rainfall, etc., during the year. Some of these latter data
are not specific to the borough, having been obtained from a publication of the meteorological office, and relate to the nearest station which records the particular item concerned.
Atmospheric Condition in 1957
Table 25
January | February | March | April | May | June | July | August | September | October | November | December | Average or actual (as appiic.) | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Temperature— | ||||||||||||||
Mean maximum1 | °F | 46.3 | 47.8 | 56.7 | 56.3 | 59.6 | 72.3 | 71.7 | 68.9 | 62.7 | 59.3 | 47.7 | 45.1 | 57.9 |
Mean minimum1 | °F | 38.6 | 38.2 | 43.2 | 41.4 | 43.5 | 51.2 | 56.9 | 54.3 | 50.5 | 46.8 | 40.9 | 36.0 | 45.1 |
Mean1 | °F | 42.5 | 43.0 | 49.9 | 48.9 | 51.4 | 61.7 | 64.3 | 61.6 | 56.6 | 53.1 | 44.3 | 40.5 | 51 .5 |
Diff. from average1 ... | °F | + 2.4 | + 2.6 | + 6.2 | + 0.7 | -2.2 | +2.2 | +1.3 | .0.9 | -1.9 | + 1.5 | .0.4 | .0.2 | + 0.9 |
Highest maximum2 | °F | 56.0 | 57.0 | 67.0 | 68.0 | 70.0 | 94.0 | 93.0 | 82.0 | 72.0 | 65.0 | 58.0 | 54.0 | 94 (June 30) |
Lowest minimum1 | °F | 32.0 | 31.0 | 33.0 | 34.0 | 38.0 | 45.0 | 55.0 | 50.0 | 38.0 | 38.0 | 30.0 | 25.0 | 25 (Dec. 17) |
Rainfall— | ||||||||||||||
Total2 | in. | 1.10 | 2.05 | 0.59 | 0.12 | 0.99 | 0.47 | 2.85 | 1.54 | 1.81 | 1.46 | 1.89 | 1 .53 | 1.37 |
Percent of average1 | ... | 71 | 155 | 38 | 13 | 73 | 40 | 130 | 122 | 124 | 52 | 107 | 79 | 84 |
Sunshine1 | ||||||||||||||
Daily mean | hrs. | 1.51 | 2.44 | 3.73 | 5.38 | 6.19 | 9.36 | 5.39 | 5.59 | 3.58 | 3.04 | 2.23 | 1 .55 | 4.17 |
Percent of average | ... | 101 | 108 | 99 | 108 | 97 | 130 | 81 | 90 | 75 | 92 | 128 | 119 | 102 |
Wind1 | ||||||||||||||
NE/E/SE | % | 17 | 14 | 31 | 28 | 31 | 33 | 14 | 20 | 11 | 13 | 28 | 27 | 22 |
S/SW/W | % | 68 | 64 | 54 | 18 | 36 | 32 | 64 | 60 | 65 | 59 | 39 | 52 | 51 |
NW/N/Calm | % | 15 | 22 | 15 | 54 | 33 | 35 | 22 | 20 | 24 | 28 | 33 | 21 | 27 |
Atmospheric pollution— | ||||||||||||||
West Division3: | ||||||||||||||
Water insol. matter | tpm | 9.35 | 7.09 | 6.73 | 13.42 | 11.13 | 9.91 | 6.99 | 6.26 | 6.46 | 6.99 | 10.54 | 7.95 | 8.57 |
Water sol. matter | tpm | 5.17 | 5.83 | 4.11 | 3.71 | 4.61 | 5.93 | 5.57 | 4.37 | 4.84 | 4.97 | 4.37 | 5.30 | 4.90 |
Sulphur | † | 3.58 | 2.58 | 1.76 | 2.63 | 1.50 | 1.07 | 0.92 | 0.89 | 1.33 | 1 .98 | 2.49 | 2.4 | 1 .93 |
Smoke, daily average | * | 15.20 | 19.90 | 19.20 | 18.50 | 13.90 | 10.20 | 5.20 | 4.40 | 2.51 | 10.91 | 10.50 | 36.50 | 13.91 |
,, maximum | * | 20.50 | 35.30 | 25.70 | 39.80 | 21.80 | 20.00 | 8.30 | 7.60 | 4.42 | 21.2 | 20.60 | 90.90 | 90.90 |
(date) | ... | (9-11) | (20-22) | (6-8) | (2-3) | (1-3) | 12-14) | (1-5) | (1-2) | (24-30) | (9-11) | (23.26) | (4.3) | (Dec. 4-6) |
„ minimum | * | 11.5 | 9.4 | 6.8 | 12.4 | 6.7 | 5.30 | 2.70 | 2.50 | 1.14 | 4.0 | 3.3 | 19.4 | 1.14 |
(date) | ... | (5-8) | (5-8) | (16-19) | (24-26) | (11.14) | (19-21) | (27-29) | (3-6) | (11-13) | (26-29) | (1-5) | (21-24) | (Sept. 11-13) |
Water insol. matter | tpm | 7.65 | 5.61 | 11.88 | 11.71 | 10.27 | 10.97 | 8.22 | 5.94 | 7.15 | 8.49 | 10.97 | 6.28 | 8.76 |
Water sol. matter | tpm | 4.73 | 6.24 | 6.81 | 3.99 | 4.05 | 4.43 | 6.44 | 4.20 | 4.13 | 6.1 | 4.87 | 5.10 | 5.13 |
Sulphur | † | 4.68 | 3.71 | 2.51 | 3.56 | 2.61 | 1.99 | 1 .63 | 1 .37 | 1.70 | 2.93 | 4.81 | 4.1 | 2.97 |
Smoke, daily average | * | 15.20 | 22.20 | 19.90 | 17.50 | 15.80 | 11.10 | 5.80 | 3.60 | 2.93 | 10.42 | 8.30 | 30.9 | 13.64 |
* | 17.30 | 36.50 | 28.90 | 36.10 | 22.20 | 19.60 | 8.10 | 7.60 | 5.16 | 15.60 | 15.30 | 72.90 | 72.90 | |
(date) | ... | (1-4) | (20-22) | (27-29) | (2-3) | (1-3) | (1-4) | (1-5) | (28-29) | (1-3) | (9-11) | (23-26) | (4-6) | (Dec. 4-6) |
„ minimum | * | 12.20 | 12.50 | 9.50 | 9.50 | 9.40 | 6.40 | 3.00 | 2.00 | 1 .32 | 5.40 | 3.50 | 17.70 | 1.32 |
(date) | (5-8) | (5-8) | (16-19) | (24-26) | (15-17) | (22-25) | (27-29) | (10-13) | (11-13) | (26-29) | (1-5) | (21-24) | (Sept. 11-13) | |
South Division5 : | (5-8) | |||||||||||||
Water insol. matter | tpm | 8.53 | 7.01 | 8.93 | 11.69 | 10.44 | 8.56 | 8.96 | 7.94 | 8.10 | 8.40 | 9.81 | 6.72 | 8.76 |
Water sol. matter | tpm | 4.84 | 7.11 | 5.89 | 4.02 | 4.05 | 8.10 | 6.75 | 6.62 | 5.86 | 6.78 | 5.27 | 6.82 | 6.01 |
Sulphur | † | 1.57 | 1.57 | 1.01 | 1.33 | 0.82 | 0.92 | 0.65 | 1.37 | 0.73 | 1.15 | 2.13 | 1.60 | 1.24 |
Smoke, daily average | * | 14.50 | 18.40 | 16.00 | 14.30 | 12.40 | 8.10 | 4.50 | 3.10 | 2.36 | 9.60 | 8.60 | 30.60 | 11.87 |
„ maximum | * | 20.30 | 32.80 | 20.20 | 26.20 | 14.40 | 15.10 | 6.20 | 4.90 | 5.18 | 16.00 | 16.90 | 88.80 | 88.80 |
(date) | ... | (9-11) | (20-22) | (13-15) | (2-3) | (8-10) | (12-14) | (20-23) | (28-30) | (28-30) | (9-11) | (23-26) | (4-6) | (Dec. 4-6) |
„ minimum | * | 11.10 | 9.30 | 7.50 | 9.80 | 7.30 | 5.00 | 2.50 | 1.50 | 1.01 | 5.40 | 2.60 | 16.60 | 1.01 |
(date) | ... | (5-8) | (5-8) | (16.19) | (24-26) | (11-14) | (29-1) | (27-29) | (10-13) | (7-10) | (26-29) | (1-5) | (21-24) | (Sept. 7-10) |
Weather summary | ... | Mild; fairly dry | Mild and moist | Dry and very mild | Very dry much N. wind | Dry and Cool | Warm, dry, very sunny | Wet and dull | Cool, dull, and moist | Cool, cloudy & rather wet | Warmish, dry and dull | Fairly sunny and fog-free | Changeable dryish |
Notes : 1Croydon; 2Lewisham; 3Valentine Court for smoke, Pool allotments for others: ??? Place for smoke, Wearside Road for others; 5Downham Depot for smoke, Verdant Lane for others;
tpm: tons per square mile per month; fas trioxide in mg per 100 sq. cms. per da??? mg per 100 cub. metres.