510 



Meteorological Observations 



[Nov. 



Table III. {continued.) 



Year and Month. 



April, 1827. 



May, 



June, 



July, 



August, 



September, 



October, 



November, 



December, 



Jan. 1828. 



February, 



March, 



April, 



May, 



June, 



July, 



August, 



September, 



October, 



November, 



December, 



Jan. 1829, 



Februaiy, 



March, 



April, 



May, 



June, 



July, 



August, 



September, 



October, 



November, 



December, 



Jan. 1830. 



February, 



March, 



Temp. 



>C.'M V. M 



100.5 



103.2 



101.4 



98.1 



91.8 



92.2 



94.0 



81.8 



67.7 



63.6 



71.3 



88.8 



95.5 



103.0 



104.7 



94.8 



88.7 



30.3 

 29.8 

 24.1 

 18.4 

 11.4 

 14.0 

 25.8 

 21.4 

 10.5 



9.2 

 16.7 

 27.0 

 28.6 

 33.0 

 27.9 

 15.2 



8.3 



47.8 

 55.0 

 65.8 

 72.5 

 76.7 

 73.0 

 49.5 

 40.8 

 49.6 

 47.4 

 37.7 

 34.2 

 43.0 

 43.3 

 62.1 

 74.0 

 77.9 



Temp. 



101.5 

 93.6 

 87.0 

 88.0 

 92.0 

 79.0 



107.6 

 100.5 

 87.0 

 85.8 

 91.7 

 91.1 

 79.1 

 71.3 

 74.9 

 76.0 

 83.4 



24.7 



15.1 



7.0 



9.9 



22.0 



64.6 



72.8 

 78.0 

 74.8 

 56.5 



20.0 40.3 



33.3 52.3 



23.2 66.4 



7.0 78.0 



6.7 77.5 



15.8 69.2 

 25.6 44.5 

 20.6 38.3 

 18.1 32.5 

 20.5 29.6 

 14.1 52.3 



21.9 42.0 



Temp. 



Sunset. 

 ._ ~D. S. J 



84.1 



83.8 

 78.9 

 70.9 

 59.8 

 56.8 

 61.3 

 75.0 

 85.3 

 93.0 

 97.9 

 89.2 

 83.4 



19.1 



517 



72.0 

 50.0 

 41.3 

 50.7 

 47.5 

 41.3 

 40.0 

 41.0 

 52.7 

 60.6 

 73.3 

 78.6 



Mean first year, 

 second, 

 third, 

 Mean of three years, 



50.1 

 59.2 

 67.4 

 73.2 

 76.3 

 72.5 

 51.7 

 41.6 

 47.4 

 44.6 

 38.7 

 38.7 

 45.9 

 44.7 

 63.8 

 74.5 

 77.7 

 75.8 

 61.7 

 44.1 

 50.8 

 46.4 

 47.3 

 50.2 

 45.5 

 56.2 

 69.0 

 77.8 

 77.6 

 69.6 

 49.4 

 41.2 

 33.8 

 32.4 

 54.1 

 45.9 



55.1 

 56.9 

 54.4 



55.5 



.320 

 .359 

 .456 

 .581 

 .744 

 .706 

 .412 

 .425 

 .706 

 .723 

 .518 

 .324 

 .317 

 .238 

 .379 

 .644 

 .827 

 .738 

 .615 

 .475 

 .668 

 .651 

 .595 

 .457 

 .248 

 .265 

 .476 

 .941 

 .854 

 .671 

 .382 

 .417 

 .424 

 .394 

 .654 

 .416 



.523 

 .550 

 .512 



.528 



Table FV 



'. Comparative Tension, (T.) and Force of 



vapour at the Dew point, 



(F.J 





T. 



F. 



1 T ' 



F. 





T. 



F. 



MEANS. 



T. 



F. 



Ap. 1827. 



.320 



.363 



Ap. 1828, 



.317 



.312 



April, . . 



.248 



.308 



April, . . 



.295 



.328 



May, . . 



.359 



.501 



May, . . 



.238 



.299 



May, .. 



.265 



.450 



May, .. 



.287 



.417 



June, . . 



.456 



.663 



June, . . 



.379 



.586 



June, . . 



.476 



.699 



June, . . 



.437 



.649 



July, . . 



.581 



.804 



July, .. 



.644 



.840 



July, . . 



.941 



.936 



July, . . 



.722 



.860 



August,. . 



.744 



.891 



August, 



.827 



.933 



August, 



.854 



.930 



August, 



.808 



.918 



Sept. . . 



.706 



.786 



Sept. . . 



.738 



.876 



Sept. . . 



.671 



.713 



Sept. . . 



.705 



.792 



October, 



.412 



.384 



Oct. . . 



.615 



.546 



October, 



.382 



.354 



Oct. . . 



.470 



.428 



Nov. . . 



.425 



.266 



Nov. . . 



.475 



.292 



Nov. . . 



.417 



.262 



Nov. . . 



.439 



.273 



Dec. . . 



.706 



.329 



Dec. . . 



.668 



.372 



Dec. . . 



.424 



.199 



Dec. . . 



.599 



.1^00 



Jan.1828, 



.723 



.298 



Jan.1829, 



.651 



.317 



Jan.1830. 



.394 



.189 



Jan. 



.589 



.268 



February, 



.518 



.239 



Feb. . . 



.595 



.328 



Feb. . . 



.654 



.418'Feb. .. 



.589 



.328 



March, . . 



.325 



.234 



March, 



.457 



.365 



March,. . 



.416 



.312 March,.. 



.399 

 .528 



.305 



Means. 



.523 



.480 





.550 



.506 





.512 



.481 





.489 



