Report of meteorological observations for the year 1917, with extremes and averages for the preceding years / by John Dover.

  • Dover, John.
Date:
1917
Catalogue details

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: Report of meteorological observations for the year 1917, with extremes and averages for the preceding years / by John Dover. Source: Wellcome Collection.

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    TEMPERATURE OF THE AIR FOR 1917 Months. Extreme Range. Max. Average. Min. Mean. January 52 1—24.9 38.6 33.7 36.1 February ... 51.2—21.7 40.4 30.8 35.6 March 54.9 23.1 44.6 34.5 * 39.5 April 60.3—29.8 49.7 36.6 43.2 May . 74.0—38.8 63.2 47.0 55.1 June 82.1—48.6 66.1 52.9 59.5 July . 73.0—47.2 66.3 54.6 60.4 August 70.8—52.5 64.0 56.9 60.4 September 70.2—45.3 63.8 53.8 58.8 October ... 66.0—30.0 55.6 44.8 50.2 November... 56.9—34.9 52.3 44.6 48.4 December 52.8—25.9 42.0 34.1 38.1 Year ... 82.1—21.7 53.9 43.7 48.8 1917. NOTES.—On February 5th the temperature fell to 21.7 Fall.—the coldest day of the year. On June 17th the temperature rose to 82.1 Fah.—the warmest day of the year. (93.2 Fah. at Greenwich Observatory on same day.) Latest spring frost in screen occurred on April 7tli, the thermometer falling to 29.9 Fah. Latest spring frost on grass occurred on April 30th, the thermometer falling to 31.3 Fah. Earliest autumn frost on grass occurred on October 15th, the ther¬ mometer falling to 31.3 Fah. Earliest autumn frost in screen occurred on October 28th, the ther¬ mometer falling to 30.0 Fah. The coldest month of the year was February, with a very low mean temperature of 35.6 Fah. The warmest month of the vear was August, with a mean temperature of 61.4 Fah. On 29th January the temperature did not rise above 30.1 Fah. On 23rd August the temperature did not fall below 60.5 Fah,
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