the climate of London in preference to that of other places, as being best known, and as affording a fair mean of the climate of the interior of the southern half of England.
| 1.─Annual Mean Temperature. | |
| Landsend (Penzance) | 51.8° |
| London, | 50.8° |
| 2.─Mean Temperature of the Seasons.[1] | ||||
| Winter. | Spring. | Summer. | Automn. | |
| Landsend, | 44° | 49.6° | 60.2° | 58.8° |
| London, | 89.1° | 48.7° | 62.8° | 51.8° |
| 3.─Mean Temperature of the Months. | ||||||||||||
| Jan. | Feb. | Mars. | Apr. | May. | June. | July. | Aug. | Sep. | Oct. | Nov. | Dec. | |
| Landsen | 42.5 | 43.5 | 46.4 | 48.5 | 54.0 | 58.5 | 61.2 | 60.9 | 57.6 | 53.7 | 48.8 | 46.1 |
| London | 37.3 | 40.4 | 42.6 | 48.0 | 55.6 | 60.0 | 68.4 | 63.5 | 58.8 | 51.7 | 43.4 | 39.5 |
| 4.─Differences of the Mean Temperature of Winter and Summer. | |
| Landsend, | 16.2° |
| London, | 23.2° |
| 5.─Difference of the Mean Temperature of the warmest and coldest months. | |
| Landsend, | 18.7 |
| London, | 26.2 |
| 6.─Difference of the Mean Temperature of successive Seasons. | ||||
| Of Winter & Spring. | Of Spr. & Sum. | Of Sum. & Aut. | Of Aut. & Wint. | |
| Landsend, | 5.6° | 10.6° | 6.9° | 9.3° |
| London, | 9.6° | 13.5° | 11.0° | 12.2° |
| 7.─Difference of the Mean Temperature of successive Months. | |||||||||||||
| Jan. & Feb. | Feb. & Mar. | Mar. & Avr. | Avr. & May. | May. & June. | June. & July. | July & Aug. | Aug. & Sept. | Sept. & Oct. | Oct. & Nov. | Nov. & Dec. | |||
| Landsend | 1.0 | 2.9 | 2.1 | 5.5 | 4.5 | 2.7 | 0.3 | 3.3 | 3.9 | 4.9 | 2.7 | 8.6 | 3.1 |
| London | 3.3 | 2.2 | 5.3 | 7.6 | 4.3 | 3.4 | 0.1 | 4.7 | 7.0 | 8.8 | 8.8 | 2.2 | 4.8 |
- ↑ The more common divisions of the seasons is here adopted, winter comprehending Dec. Jan. Feb. and so on.
