210 



REPORT 1864. 



Table I. — Meteorological Observations made in the Fifteenth 



u o 



Siphon Barometer. 



Time. 



Reading 



corrected 



and reduced 



to 32° Fahr. 



Att. 

 Therm. 



Aneroid 



Barometer, 



No. 2. 



Height above 

 sea-level. 



Dry and Wet Ther- 



Dry. 



Wet. 



(1) 



(2) 

 (3) 

 (4) 

 (5) 



(6) 

 (7) 

 (8) 



(9) 

 (10) 



(11) 

 (12) 



(13) 



(14) 

 (15) 

 (16) 

 (17) 

 (18) 

 (19) 



(20) 



(21) 

 (22) 



(23) 

 (24) 

 (25) 

 (26) 

 (27) 



m. 



18-265 

 18-215 

 18-215 

 18-215 



i8-2i5 

 18-215 



18-105 

 18-065 



17-815 



17-645 

 17-663 



17713 

 17-713 



17-613 

 17-613 

 17-613 



17-513 



17-513 

 17-643 



i7'5i3 

 16-514 

 16-013 

 15-815 



I7'3i7 

 17-417 

 17-417 

 17-517 



17-417 

 17-618 

 17-618 



240 

 24-0 

 24-0 

 24-0 



21-0 



21-0 

 20-0 

 19-0 



18-0 



18-0 



17-5 



15-20 

 18-20 



17-70 



17-30 

 17-50 



l7'6o 



feet. 



12.975 



13,025 



13.025 

 13.025 

 13,030 

 13,160 



13.279 

 13.321 



(13,602) 

 13,882 



14,218 

 14,096 



13.791 

 13,805 



13.695 

 13,695 

 13.695 

 (13,738) 

 13,982 

 13,982 

 13,807 

 13,982 



15.517 

 16,284 

 16,590 

 14,295 



14,235 

 14,219 



14,175 



14,203 

 13.897 

 13.897 



15-0 

 15-0 

 15-0 

 15-0 

 16-0 



15-1 

 15-0 



14-5 



13-1 

 12-8 



12*2 

 14-5 

 14-5 



1-0 



8-0 



7-2 



5-0 



3-5 

 3-0 

 2-5 

 2-0 

 1-2 

 0-0 



4'S 

 7'5 

 6-0 



5'5 

 6-0 



i4'5 

 14-8 



14-8 



14-5 

 14-5 



14-0 



12-4 



11*2 



27*0 



2-0 

 l-O 

 0-2 



5'9 

 4"9 



5. 



6. 



7. 



(1) Shadow of cloud upon mist very fine ; earth has a violet colour. 



(2) Sun bringing mist up vertically. 



(3) The sun was shining ; the increase of scale reading in one minute by the actinometer 

 was 5 divisions. 



(4) Clouds above ; a bright sun ; actinometer increased 4 divisions in one minute. 



(5) Clouds above us still ; the sun was bright ; actinometer increased 7 divisions in one 

 minute, and fell 3 divisions in the shade in one minute. 



(6) Stratus on our level. (7) Crossing a river ; query Trent. 



(8) Sand out ; suspect the direction of the wind changed here. 



(9) A slirill whistle up the balloon was followed by a ringing sound for 10 seconds, after- 

 awards passmg down the balloon. 



(10) Tlie air is very nearly saturated ; clouds above us stiU. 



(11) Sun shining ; spectrum everywhere. (12) B to G ; P very distinct ; sky spectrum. 



(13) Water applied to Wet-bulb Thermometer; no ozone paper coloured anywhere. 



(14) Sun shining on Q-ridii'Ou Thermometer. 



