XX APPENDIX. 
The subjoined abstract shews the variations of the Barometer in the twenty-four 
hours of the days of observation in the diary. This is also divided into two intervals of 
six months each, and the means of each interval likewise agree together in a striking 
manner. 
Variations of the Barometer in Twenty-four Hours for the First Six Months of the 
Year 1823. 
PM | wioPa. | tod AM. | to 10 ANE. 
{ 1824 
1823 Inches. Inches. Inches. Inches. 
Jan. 10 0°052 0'034 0°010 0°025 
— 22 0 +083 0-028 0023 0:078 
— 28 0 ‘060 0051 0°025 0 *034 
Feb. 10 0°073 0 +062 0*039 0'054 
—_ 20 0080 0 *086 0'073 0 +067 
a 28 0 ‘050 0*032 0*021 0 +039 
Mar. 10 0 +093 0036 0 ‘033 0 ‘090 
— 20 0 °057 0°047 0 +040 0*050 
— 30 0 ‘068 0 ‘040 0°035 0 +063 
April 10 0°077 0-069 0°059 0067 
— 20 0-096 0°053 0025 0068 
— 30 0078 0078 0029 0*019 
May 10 0*107 0°135 0°118 0-018 
— 20 0°077 0°075 0*027 ~ 0°021 
— 30 0079 0043 0-026 0-064 
June 10 0°*102 0°054 0035 0 083 
—_— 20 0°078 0°106 0058 0030 
_ 30 0 *085 0°053 0°014 0 +046 
Mean 0*078 0 060 0 +038 0054 
