MEAN SCOTTISH METEOROLOGY. 



257 



EXTREMES OF THE EXPOSED BLACK-BULB THERMOMETERS, BY NIGHT FOR 

 RADIATION, BELOW AND ABOVE 32° F. 



of the Mean of all the exposed Black-Bulb Thermometers below 32° F. ; while Table XXVIII. 

 Month, by Day, of the Mean of all the exposed Black-Bulb Thermometers above 32° F. 



Table XXVII.—" FROST." 



August. 



September. 



October. 



November. 



December. 



Mean Month 



Successive 

























of Observed 



Quantities in 



each Year. 



Means of the 



Accumulating 



Years. 



Year 

 repeated. 



Obsd. 



Succes. 



Obsd. 



Succes. 



Obsd. 



Succes. 



Obsd. 



Succes. 



Obsd. 



Succes. 





Means. 





Means. 





Means. 





Means. 





Means. 

































1856 



+2-5 





+ 1-0 





- 7-1 





-13 8 





*■ 9-6 





- 6-8 





1857 



+0-8 



+ 1-6 



-3-2 



— 1*1 



-10-0 



- 8-6 



-20-0 



- 16 '9 



-13-4 



-II'S 



-100 



- 8-4 



1858 



+0-9 



+ i - 4 



-5-3 



-2'5 



-19-7 



-12-3 



-14-8 



-l6 - 2 



-29-2 



-17-4 



-11-8 



- 9"5 



1859 



+0-8 



+ 1-2 



-5-8 



"3'3 



- 9-2 



-"'5 



-14-8 



-15-8 



-31-5 



-20"9 



-11-2 



- IO'O 



1860 



+ 4-4 



+ 1-9 



-1-8 



-3'° 



- 6-8 



- io - 6 



-17-9 



-16-3 



-150 



-197 



- 8-4 



- 9-6 



1861 



+2-2 



+ i-9 



-3-1 



-3"o 



- 77 



-IO - I 



-17-0 



- 16 - 4 



- 7-8 



-i 7 '8 



- 7'9 



- 9-4 



1862 



-0-8 



+ i'S 



-2-4 



-2' 9 



- 9-7 



-IO'O 



-13-6 



-i6'o 



-16 2 



-17'S 



- 7-9 



- 9'i 



1863 



2-1 



+ i-i 



-1-0 



-27 



- 9-5 



-IO'O 



-12-1 



-i5\5 



-13-0 



-iyo 



- 9-6 



- 9'2 



1864 



-0-3 



+ 0-9 



+ 0-4 



-2-4 



-11-9 



- IO*2 



-13 5 



-I5-3 



-104 



-162 



- 9-6 



- 9'2 



1865 



+ 0-4 



-t-o'9 



-26 



-2-4 



- 8-4 



-IO'O 



-13-3 



-iS'i 



-11-9 



-IS* 



-10-0 



- 9'3 



1866 



+2-9 



+ ri 



-1-8 



-2'3 



- 8-8 



- 9'9 



-11-0 



-147 



-139 



-15-6 



- 8-9 



- 9'3 



1867 



+ 3-4 



+ i'3 



-2-8 



-2-4 



- 9-9 



- 9'9 



-14-5 



-147 



-13-3 



-iS'4 



- 7-5 



- 9'i 



1868 



-5-5 



+07 



-3'0 



-2-4 



- 9-9 



- 9"9 



-17-5 



-14-9 



-22-4 



— i6'o 



- 9-7 



- 9-2 



1869 



+0-8 



+07 



-3-4 



-2-5 



- 7-6 



- 97 



-12-9 



-14-8 



-26-2 



- 167 



- 9-1 



- 9-2 



1870 



+2-6 



+o - 9 



-7-3 



-2-8 



-10-2 



- 9-8 



-15-4 



-14-8 



-17-1 



— 167 



- 9-5 



- 9-2 



1871 



o-o 



+ 0-8 



-6-0 



-3'° 



-12-1 



- 9'9 



-11-0 



-i4"6 



-16-7 



-167 



- 8-4 



- 9'i 



1872 



o-o 



-f-o-8 



-37 



-3'i 



-11-0 



-IO'O 



-12-3 



-14-4 



-11-6 



— 16 "4 



- 91 



- 9-1 



1873 



+ 0-4 



+ 07 



-20 



-3'° 



- 8-3 



- 9'9 



-12-7 



-14 '3 



-24-9 



-i6 - 9 



- 9-0 



- 9-1 



1874 



+ 2-9 



+ 0-9 



-2-1 



-2-9 



- 8-0 



- 9-8 



-17-1 



-I4'S 



-18-1 



— 17 - o 



- 9-2 



- 9-1 



1875 



+0-3 



+ o-8 



-2-0 



-2-9 



- 5-0 



- 9'5 



-15-2 



-i4\5 



- 99 



-i6'6 



- 8-6 



- 9'i 



1876 



-0-2 



+ o-8 



-4-2 



-3'° 



- 9-7 



- 9'5 



-10-9 



-i4'3 



-16-0 



-i6'6 



- 9-2 



- 9-1 



1877 



+3-3 



+ 0-9 



o-o 



-2-8 



- 7'5 



- 9'5 



-14-0 



-i4'3 



-25-8 



— 17 '0 



- 87 



- 9-1 



1878 



+ 1-5 



+0*9 



-4-5 



-2-9 



-114 



- 9 - S 



-16-1 



-14-4 



-29-1 



-17 '5 



-12'0 



- 9-2 



1879 



+2-1 



+ i-o 



-3-7 



-2-9 



-18-0 



- 9"9 



-24-8 



-14-8 



-22-5 



-177 



-11-1 



- 9'3 



'1880 



-4-2 



+ o'8 



-3-7 



-3'° 



-12-7 



— IO'O 



-10-9 



-147 



-15-8 



-177 



-12 -7 



- 9-4 



1881 



+ 1-3 



+ o-8 



-4-5 



-3'° 



-10-4 



- IO'O 



-13-4 



— 14 '6 



-26-9 



-i8'o 



- 8-3 



- 9"4 



1882 



+4-2 



+ 0-9 



-2-8 



-3'° 



- 7-6 



- 9'9 



-13-8 



-i4 - 6 



-11-5 



-17-8 



- 7-5 



- 9'3 



1883 



+ 1-6 



+ 0-9 



-1-8 



-3'° 



- 8-4 



- 9'9 



-17-6 



-147 



-16-9 



-177 



- 8-1 



- 9'3 



1884 



-22 



+ o-8 



-9-5 



-3' 2 



-13-9 



-IO'O 



-18-4 



-14-8 



-19-8 



-17-8 



-11-4 



- 9"4 



1885 



+ 1-2 



+ o-8 



-4-5 



-3' 2 



- 5'0 



- 9-8 



- 7-5 



— 14"6 



-22-8 



-180 



-10-8 



- 9'4 



1886 



+ 0-4 



+ o-8 



-5-5 



-3'3 



-10-2 



- 9-9 



-13-3 



-i4'6 



-18-0 



-i8'o 



- 9-9 



- 9-4 



1887 



VOL. XXXV. PART 3. 



2 U 



