608 



APPENDIX. 



[No. III. 



December 15th, 1820. 



Hour. Temp. Wind. 



9 —32 N.b.E. Light. Clear. Much mist from the rapid. 

 Noon, —28 E. N.E. do. Clouds of low cirro-stratus. Bright sun-shine 



illuminating multitudes of small icy spiculae 

 floating in the air. A flight of small birds 

 hovering near the house, (red caps). 

 9-16 E. Fresh. Snow. 

 Midnight Strong gales. Small snow. 



December 16th, 1820. 



Hour. Temp. Wind. 



A. M. 9-6 S.E. Moderate. Snow falling in minute flakes. 



Noon —6 S, do. do. Sun seen obscurely. 



9-6 N.N.W. do. do. 



Midnight. do. Fresh. Hazy. 



December 17th, 1820. 



Hour. Temp. Wind. 



A. M 9 - 8 N.N.W. Strong gale. Clouds of cirro-stratus ; a few flakes 



of snow falling. 

 Noon —21 do. do. Sun obscured. 



P. M. 9 -30 N.N.E. do. Dark weather ; much snow drift. 



11 — W.N.W. do. Cleared up. Bright moon-light, 



with dark blue sky. 

 At 1 Jh. (a. m. 18th) a number of detached irregular masses of light were so 

 arranged as to form an arch 30° high, having a direction from N.W. to S.E. 

 Weather clear, strong wind. 



December 18th, 1820. 



Hour Temp. Wind. 



A. M. 9 —33 N.N.W. Fresh. Clear. Little mist rising from the rapid. 

 Noon —31 do. do. do. 



9—33 do. Mod. do. Very bright moon-light. Stars clear- 

 ly seen. 



Midnight. —37 Light winds, varying rapidly from S.W. to W. 



