182 Calendar of Nature. 
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Index of Thermometer. 
Index of Barometer. 
Dec. December, 1829. ] January, 1830. 
The coldest day in December was the 26th: mean temperature of that 
day 29°; wind N.; extreme cold 25°, The warmest day was the 5th: 
mean temperature of that day 51°; extreme heat 54°; wind 8.W. There 
were only 2 days of brilliant, and 6 days of partial, sunshine ; 23 days were 
cloudy. Rain and snow fell on 5 days, 26 days were fair. Depth of 
rain and melted snow 0°9 of an inch. The wind blew from the east 
and north-east on 12 days, from the north 7 days, and from the west and 
north-west on 12 days. There were loud gales of wind on the 11th, 12th, 
and 13th. The annual mean temperature for the year 1829 was 46°, which 
is 1°7° below the ordinary average. Annual depth of rain 28°22in. Or- 
~ dinary or average fall is 26°38 in. 
1830. The coldest day in January was the 28th: mean temperature of 
that day 31°5°; wind N.; extreme cold 27°. The warmest day was the 
26th: mean temperature of that day 39°5°; extreme heat 44°; wind S.W. 
There were 8 days of brilliant, and 5 of partial, sunshine; 18 were cloudy. 
The wind blew from the east and north-east on 12 days, from the north 
on 5 days, and from the west and north-west on 14 days. There were 
loud gales of wind from the north-west on the 6th and 7th, from the north 
on the 9th, and from the east on the 13th. Slight showers of sleet and 
snow fell on 8 days. Mean temperature for the month 35°; depth of rain 
and melted snow I4in. 
After 5 weeks of a temperature averaging between 39° and 40° in No- 
vember, a south-west wind on the 5th and 6th of December was accom- 
panied with a temperature elevated to 51°. Charmed by the appearance 
