22 



C. PIAZZI SMYTH ON 



APPENDIX I. 



Bi-Diurnal Observations from April 6-10, 1882, at 24 Stations of the Scottish Meteorological 



Society, and 3 Government Observatories, 



Station. 



Date. 



A, ^ 



o -3 



fa s 



Hygrometer 



,'lt 9 A.M. 



and 9 p.m. 



Hysrometrical 

 Computed Results. 



Wind 

 at 5 a.m. 

 and 9 p.m. 



Clouds. 



c 



D 







o 



O 







Remarks. 



00 



5. 



■< 



■a 



m 



S 

 H 



o . 



= 3 



Q 



1 ^ 



t cu o 



Z ?* o 



a O 

 > rH 



— o 



c" 



o 



5 



. O 



T. O 



s £ 



o 3 



CD JU 

 O 



a 



a 



"5 



s 



o 

 o 



a 



o 

 E 

 < 



Edinburgh, 

 No. 1. 



162 feet. 



Lat. 55° 57' N. 

 Long. 3 3 11' W. 





ins. 

 30-54 

 30-60 

 30-67 

 30-71 



427 

 41-1 

 43-2 

 39-0 



41°-8 

 38-7 

 40-8 

 38-7 



0°9 

 2-4 

 2-4 

 0-3 



grs. 

 3-0 

 2-4 

 2-6 



2-7 



gr- 

 0-2 

 0-6 

 0-6 

 0-1 



93 



81 

 81 

 98 



E. 



e. 



E. 

 E. 



2-6 

 2-2 

 2-6 

 2-9 





6-8 

 2-3 



hrs. 

 6-0 



9-3 



2 

 "i 



o-o 

 o-b 





•{ 



30-68 

 30-67 



43-2 

 39-2 



40-8 

 38-3 



2-4 



0-9 



2-6 



2-6 



0-6 

 0-2 



81 

 93 



E. 



N.E. 



2-2 

 2-6 





0-5 



10-8 







o-o 







30-52 

 30-37 



30-25 

 30-17 



38-7 

 36-7 



38-4 

 36-9 



36-7 

 35-7 



37-7 

 34-7 



2-0 

 1-0 



0-7 

 2-2 



2-3 

 2-3 



2-6 

 2-0 



0-5 

 0-2 



0-2 

 0-5 



84 

 92 



94 

 82 



S.E. 

 S.E. 



E. 

 E. 



1-7 



2-0 



2-2 

 20 





3-5 

 3-5 



6-5 

 6-5 



4 

 



o-o 

 o-o 



(5 p.m. Fine dis- 

 < play of cirri cloud 



( over whole sky. 



Means, . 





30-52 



39-9 



38-4 



1-5 



2-5 



0-4 



88 





2-3 













Braemar, 

 No. 2. 



1114 feet. 



Lat. 57 N. 

 Long. 3° 24' W. 





30-52 

 30-57 

 30-59 

 30-64 



39-7 

 35-0 

 30-0 

 36-9 



37-9 

 34-3 

 28-8 

 33-5 



1-8 

 0-7 

 1-2 

 3-4 



2-4 

 2-2 

 1-6 

 1-8 



0-5 

 0-2 



0-4 

 0-8 



86 

 93 

 80 

 73 



N.E. 

 N.E. 



E. 



E. 



1-0 

 0-2 

 









8 

 Fog. 









> Clear and fair. 

 Do. 



M 



30-60 

 30-54 



36-7 

 37-7 



32-1 

 35-2 



4-6 

 2-5 



1-6 



2-1 



0-9 

 0-6 



63 



80 



E. 

 E 





 













> Clear and fair. 



10 j 



30-41 

 30-31 

 3016 

 30-14 



37-7 

 39-4 

 42-2 

 34-4 



32-5 

 36-7 



37-7 

 32-8 



5-2 

 2-7 

 4-5 

 1-6 



1-6 

 2-2 

 2-1 

 2-0 



1-1 



0-6 

 1-0 

 0-4 



61 



79 

 69 



84 



E. 



E. 



S.E. 



E. 





 



0-2 

 





1 









> Clear and fair. 

 1 Do. 



Means, . 





30-45 



37-0 



34-2 



2-8 



2-0 



0-7 



77 





o-i 













North Esk 

 BBTOIB, 



3. 



1150 feet. 



Lat. 55° 48' N. 

 Long. 3° 21' W. 



•1 



30-47 

 30-68 



30-60 



:;u-i;:i 



40-5 

 87-5 



40-5 

 32-5 



39-5 

 36-5 

 38-1 

 31-5 



1-0 

 1-0 

 2-4 

 1-0 



2-7 

 2-4 

 2-4 

 1-9 



0-2 

 0-2 

 0-6 

 0-2 



92 

 91 

 81 



88 



N.E. 



E. 

 S.E. 



E. 



4-0 

 4-0 

 4-0 

 4-0 





Mist. 

 Nimb. 











3 



10 









•< 



30-61 

 80-54 



42-5 



36-8 

 29-5 



5-7 

 4-0 



1-9 

 1-4 



1-2 



0-8 



62 

 61 



E. 

 10. 



4-0 

 4-0 







 



12 







) Hoar frost. 

 ) Clear line day. 



•{ 



30-43 

 30-29 

 30-18 

 30-10 



32-1 

 31-5 



31-5 

 29-5 

 43-5 

 38-6 



0-6 

 2-0 

 4-0 

 20 



2-0 

 1-6 



2-8 

 2-0 



0-1 

 0-6 

 1-0 

 0-4 



92 



71 

 74 

 82 



S.E. 



N. 



N. 

 Var. 



4-0 

 1-0 



1-0 

 4-0 





Fog. 

 

 

 5 



7 

 12 







Fog. 

 Cirro-stratus, fine. 



.Means, . 





30-44 



37-4 



35-0 



2-4 



2-1 



0-5 



80 





3-4 













