MEAN METEOROLOGICAL RESULTS 

 TEMPERATURE. 



Mean temperature of the year 



Warmest month 



Mean temperature of the warmest month 



Coldes; month 



Mean temperature of the coldest month 



Difference between the temperature of the) 



warmest and the coldest months j 



Mean of deviations of monthly means froml 



their respective averages of 34 years, signs V 



of deviation being disregarded J 



Month of greatest deviation without regard 1 



to sign J 



Corresponding magnitude of deviation 



Warmest day 



Mean temperature of the warmest day 



Coldest day 



Mean temperature of the coldest day 



Date of the highest temperature 



Highi st temperature 



Date of the lowest temperature 



Lowest temperature 



Range of the year 



1874. 



44.30 



July. 



67.86 



February. 



22.84 



45.02 



1.73 



April. 



6.81 

 June 23. 

 78.03 



Jan. 30. 



1.13 

 Aug. 12. 



95.0 

 Dec. 15. 



—7.5 

 102.5 



of 

 34 years. 



44.08 

 July. 

 67.41 

 February, 

 22.90 



44.51 



January. 



3.64 



77.71 



— 1.48 



96.9 



— i2.8 

 103.7 



Extremes. 



46.36 in '46 

 July, 1868. 



75.80 

 Jan., 1357. 



12.75 



3.62 

 in 1843. 



Jan., 1857. 



10.1 

 July 14, •68 



84.50 

 Feb. 6, 1855. 

 Jan. 22, 1857. 



—14.38 

 Aug. 24, 1854 



9 .2 



Jan. 10, 1859. 



—26.5 



118.2 



42.16 in '56. 

 Aug , 1860. 



64.46 



F b. 1848-. 



26.60 



July 31, '44. 



72.75 



Dec. 22, '42. 



9.57 

 Aug. 19, '40. 



82.4 



Jan. 2.1842. 



1.9 



87.0 



BAROMETER. 



Mean pressure of the year 



Mouth of the highest mean pressure 



Highest mean monthly pressure 



Month of lowest mean pressure 



Lowest mean monthly pressure 



Date of the highest pressure in the year . . . . |- 



Highest pressure • 



Date of the lowest pressure in the year [■ 



Lowest pressure 



Range of the year 



29.6452 



February, 

 29.7109 



May. 

 29.5676 

 Dec. 31, 

 8 a. m. 

 30.416 

 Nov. 23, 

 1 p.m. 

 28.538 



1.878 



of 

 33 years. 



Sept. 

 29 . 6667 



29.5707 

 30.367 



28.687 

 1.680 



f 29.6770 

 \ in 1849. 

 Jan., 1849. 



29.8046 

 March, 1859. 



29.4143 



Jan. 8, 1 866. 



30.940 



Jan. 2, 1870. 



28.166 

 / 2.133 

 1 in 1866. 



29.5602 



in 1864. 

 June, 1864. 



29.6.525 

 Nov., 1849. 



29.5886 



Jan. 14, 1870. 



30.212 



Mar. 17, '45. 



28.939 

 1.303 

 in 1845. 



RELATIVE HUMIDITY. 



Mean humidity of the year 



Month of greatest humidity 



Greatest mean monthly humidity 



Month of least humidity 



Least mean monthly humidity . . 



1874. 



74 

 January. 



87 



of 

 32 years. 



77 

 January. 



May. 

 71 



82 in 1851. 

 Jan., 1857. 



Feb., 1843. 

 58 



73 in 1858. 

 Dec, 1858. 



81 

 AprU,.1849'. 



76 



