XXXV 



TEARLY REPORT OF ATMOSPHERIC ELECTRICITY, 

 TEMPERATURE, AND HUMIDITT, FROM OBSERVATIONS MADE 

 AT ST. LOUIS, MO. 



By A. WisLiZENUs, M.D. 

 I. — Monthly Mean of Positive Atmospheric Electricity in 1861-1870, 

 based on daily observations at 6, 9, 12, 3, 6, and 9 o'clock, from morning 

 till night. 



ATMOSPHERIC ELECTRICITY. 



2. — Monthly Mean of Temperature and Relative Humidity in 1861-1870 

 based upon daily observations contemporaneous -with those of Atmos- 

 pheric Electricity. 



TEMPERATURE. 



Year. 



1861.... 

 1862.... 

 1863. . . , 

 1864.... 

 1865.... 

 1866.... 

 1867.... 

 186S.... 

 1869.... 

 1870.... 



32 2 40 



36 8 

 < 29.2 



: 28.1 

 32.2 



'■ 25 4 

 I 26.0 



I 39 4 

 ! 331 



44858.1 64 

 43 2 I 55 o ^9 7 



^ " a. 



43 6 



40 7 

 46.7 

 42 2 



34 I 

 ,516 



39 9 



41 3 



57 4 

 5' 4 

 568 

 bi.2 



56 7 

 53.6 

 56.3 

 588 



655 

 69 4 

 6S.S 

 663 

 61. 1 

 6S 4 

 666 

 71 9 



J69I 



72.1 



69.2 

 72 9 

 778 

 64.0 

 685 

 .65.7 

 68 2 

 72.1 



Mean . 



31.1I35.9 42.8 j 56.5 67.2 I 76.3 181.4 78.7 69.91558 4551343 56.3 



57 



% 



S3 

 58 

 59 

 59 

 56 

 47 

 59-7 



46 



42 



43 



44 



4S 



46 



49 



44 9 



40.9 



485 



39 7 

 41 3 

 35 9 

 304 

 308 

 33 3 

 36.1 

 29 9 

 33 S 

 316 



2>« 



S7-» 

 56.4 



56.0 



575 

 56.0 



56.3 

 SS6 

 57-6 



RELATIVE HUMIDITY. 



1861.. 

 1862.. 

 1863.. 



1864 . 



1865 . 

 1866.. 



1869;.' 

 1870.. 



Mean 



853 

 79 2 



74 6 



70.2 



724 

 76.1 



76 2 



63 3 64.5 

 73 9 70.8 



62 7 

 72.0 

 70.6 



m 

 76 . 

 672 



68. 1 

 70.0 

 66.1 

 69., 



75 7 

 67.7 



74 7 



67 o 56.2 I 59 I 



663 

 66 8 

 68 6 



62.8 

 4 



II 



63 9 

 61 .7 

 70 3 

 62.2 



696 77 3 

 64.3 74 2 

 70.7 68.2 

 69.0 j 64.1 

 71 7 768 

 66.7 I 81. S 



60 o < 



61 8 

 74 2 

 73.4 



63 7 

 72.9 



75.4 

 73 3 



76.3 j 70.9 68 8 : 62.1 I 6j.2 I 65.8 j 66 S j68.i 172.7 



