Observations on the climate of Penzance and the district of the Land's End in Cornwall : with an appendix containing meteorological tables, and a catalogue of the rarer indigenous plants. Read before the Penwith Agricultural Society, and published by request of the members / By John Forbes.

  • Forbes, John, Sir, 1787-1861.
Date:
1821
Catalogue details

Licence: Public Domain Mark

Credit: Observations on the climate of Penzance and the district of the Land's End in Cornwall : with an appendix containing meteorological tables, and a catalogue of the rarer indigenous plants. Read before the Penwith Agricultural Society, and published by request of the members / By John Forbes. Source: Wellcome Collection.

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    other vegetables, or the clothes of a person exposed to it; while neither the rain-guage nor the roads or streets show any indication of its presence, unless long continued. The mean annual number of days marked misty in Mr. Giddy’s journal is 10. Rain. By referring to Table IV. it will he seen that the number of days on which rain falls in the year, is 157. It must not from this, however, he supposed that we have this number of what may be properly called rainy days:—the truth is that we have heavy showers on many of our finest days; and this is so well known and expected, that the circumstance is hardly looked upon as an inconvenience by the in¬ habitants. The following remark of Dr. Borlase I have found to be peculiarly applicable to the climate of Mount’s Bay:—“ Our rains in Cornwall are rather frequent than heavy or excessive; and we have very seldom a day so thoroughly wet but that there is some intermission, nor so cloudy but the sun will find a time to shine.” The following statements extracted from some of the recent scientific journals will give us the relative wetness of Penzance in a more determinate manner. Number of rainy days in the year at the places undermentioned:— Penzance (14 years 1807—-1820) - - 157 Siclmouth (3 years) - 107 Gosport (4 years 1816—1819) - - - 115 Clifton (13 years 1804—4816) - - - 147 Manchester (l year 1819) - - - - 215