Mr. Squire's Meteorological Journal kept at Epping. 



98 



at a great distance from any building, 

 freely exposed to the air, has a north- 

 ern aspect, and is not affected by the 

 direct rays of the sun ; its height from 

 the ground is about four feet. The 

 rain gauge is in a perfectly exposed 

 situation, and is about seven feet from 

 the surface of the ground ; this instru- 

 ment was sent me by that indefatiga- 

 ble meteorologist, Luke Howard, esq. 

 and is well adapted to the purpose : at 



[Feb. 1, 



but is so placed as to admit of a free 

 circulation of air over the surface of 

 the water intended to show the quan- 

 tity of evaporation. 1 find, from ex- 

 periments made at the same time with 

 evaporators of tiie like lineal dimen- 

 sions, that the process of evaporation 

 is so liable to be affecled by locality 

 of situation, that no general result can 

 be obtained as to the quantity, even 

 for a very limited extent ; but this I 

 the same time, great care was taken know, that the proximity of plants, 



to measure the water as often as any 

 fell, so as to prevent the least diminu- 

 tion from the effects of evaporation, — 

 a precaution very necessary to be at- 

 tended to, especially during wind, in 

 the spring and summer months. The 



shrubs. Or trees, very much impedes 

 the gradual solution of water in air, 

 and which points out the impropriety 

 of allowing high trees to grow near a 

 dwelling-house, as they always must 

 render the same damp and unhealthy. 



evaporating guage is about three feet and to that degree of which few people 

 from the ground, has a small roof to are aware. T. Squire. 



prevent the rain from falling into it, Epping ; Jan. 7, 1823. 

 Meteorological Tables for the Year 1822. 



January • • • 

 February • 

 March • • • 



April 



May 



June 



July 



August ••• 

 September. 

 October... 

 November- 

 December. 



Mean 

 of Baro- 

 meter. 



29-726 

 29-738 

 29-C84 

 29-688 

 29-653 

 29-770 

 29-481 

 29-584 

 29-640 

 29'379 

 29-420 

 £9-706 



Yearly Means 



Mean of 

 \ttaclied 

 riiermo- 

 nieter. 



ean of 

 External 

 Thermo- 

 meter. 



40-065 

 44-214 

 47-097 

 47-700 

 58-000 

 65-300 

 62-710 

 62-290 

 57-567 

 53-677 

 48'B67 

 37-097 



36-323 

 40-178 

 43-193 

 45-700 

 55-968 

 64-133 

 62-903 

 60-645 

 54-800 

 49-806 

 44-400 



29-614 52 049 49-117 29 20 36 37 



510 

 855 



930 



27|16 

 3265 

 1063 

 41 26 



Mean 

 of Baro- 

 meter. 



Mean of 

 Attached 

 Thermo- 

 meter. 



29-721 

 29-726 

 29-659 

 29-585 

 29-640 

 29-762 

 29-480 

 29-681 

 ii9-631 

 29-341 

 29-369 

 29-692 



Mean of 

 R.vternal 

 Thcrmo- 

 nieler. 



40-677 

 45-14."> 

 48-871 

 49-*.'33 

 60-5-58 

 67-733 

 64-363 

 63-936 

 59-367 

 54-806 

 49-633 

 37-484 



41-645 

 47-107 

 53-000 

 55-100 

 67 -4 19 

 76-633 

 71-968 

 70-581 

 63-867 

 57-419 

 50-133 

 36-548 



4 







26 

 44 



42 



12 



I3il9 



28|-12 

 13 22I53 

 16| 2|5I 

 42 45 28 



29-599 53-459 57-61825 22 35 10 



P.S.— 



