82 Proceedings of the Royal Physical Society. 
This was followed by a week of mild weather, temperature 
rising to 52°°0 on the 17th and 53°1 on the 18th. During 
this week rather strong westerly winds were experienced. 
On the 20th, easterly winds set in, continuing till the end of 
the month. Very cold weather occurred in the last week, 
the maximum on the 25th being only 26°1. No precipita- 
tion was noted: between the 22nd and the 30th. This was 
the coldest December since 1882, the mean temperature 
being 34°8, or 4° below the average. Colder Decembers 
were the following :— 
Year. Temp. Year, Temp. | Year. Temp. 
1882 33°°6 1846 B44 | 1815 34°-1 
1878 31°°0 1844 33°°0 1801 32°°5 
1874 32°°0 1819 34°°0 1799 34°°3 
1796, mean temperature 31°:0. 
On the other hand, the mildest December was that of 
1843, when the mean temperature was 47°°7. 
NoTEWORTHY PHENOMENA IN THE METEOROLOGY oF 1892. 
Highest barometric reading 30°621 inches, on March 22nd, 
at noon. 
Lowest barometric reading 28-708 inches, on February 2nd, 
at 5 A.M. 
Highest temperature in shade 80°1, on June 9th, at 1 P.M. 
Lowest temperature in shade 14°:0, on February 19th, at 
5 A.M. 
Greatest. daily range of temperature 33°:1, on April 2nd. 
Least daily range of temperature 3°:0, on October 13th. 
Highest temperature in sun’s rays 131°°5, on August 3rd. 
Greatest excess of sun maximum over shade maximum, 
76°°8, on March 27th. . 
Lowest temperature on grass 8°°7, on December 2nd. 
Greatest difference between minimum on grass and shade, 
12°-0, on April 5th. 
Stormiest day January 29th, mean wind velocity 23 miles 
per hour. 
Sunniest day June 9th, with 14 hours 38 minutes sunshine. 
Greatest daily rainfall 0°92 inch, on October 3rd. 
