ABSTRAC1 of the METEOROLOGICAL JOURNAL kept on board His Majesty’s Ship Hecla, 
during the Month of March, 1820. 
Day 
Temperature of Air 
imshade. 
Barometer. 
Prevailing Winds. 
Prevailing Weather. 
Maxi- 
mum. 
Mini- 
mum. 
Mean. 
Maxi- 
mum. 
Mini- 
mum. 
Mean. 
1 
O 
-25 
o 
-40 
o 
- 31.33 
! inches. 
30.16 
inches. 
29.80 
inches. 
30.050 
South. 
Light airs and fine dear weather. 
2 
-17 
-33 
-25.00 
29.63 
29.52 
29.570 
( South, round by ) 
( West, to North j 
Fresh breezes and hazy with drift. 
3 
-26 
-37 
-31.33 
29.68 
29.55 
29.625 
North 
Strong breezes : much drift. 
4 
-24 
-33 
- 27.92 
29.62 
29.50 
29.575 
N.N.W. 
Fresh gales to light airs. 
5 
- 9 
-26 
- 16.50 
29.41 
29.30 
29.378 
E.S.E. 
Light airs and cloudy — small snow. 
6 
+ 2.5 
- 8 
- 2.50 
29.12 
29.00 
29.050 
f S.S.E. ) 
\ variable. 5 
Moderate with small snow. 
7 
+ 2 
-15 
- 6.17 
29.27 
29.03 
29.172 
N.W. 
Ditto ditto. 
8 
-16 
-22 
- 18.35 
30.15 
29.32 
29.762 
North 
Fresh breezes with drift. 
9 
- 3 
-14 
- 8.58 
30.13 
29.88 
29.980 
West. 
Strong breezes and hazy — P.M. moderate. 
10 
+ 1 
-14 
- 4.96 
29.78 
29.62 
29.695 
Round the compass. 
Variable, from calm to strong breezes. 
11 
+ 6 
-11 
- 2.25 
29.63 
29.30 
29.478 
West. 
Fresh breezes and hazy with drift. 
12 
-19 
-29 
- 24.00 
29.96 
29.62 
29.822 
N.b.W. 
Ditto ditto. 
13 
-10 
-27 
- 22.71 
29.97 
29.82 
29.905 
N.b.W. 
Ditto ditto. 
14 
-12 
-24 
- 17.83 
29.83 
29.62 
29.757 
North 
Ditto ditto. 
15 
-10 
-23 
- 16.25 
29.76 
29.50 
29.600 
North 
Ditto ditto. 
16 
-13 
-26 
- 21.79 
29.88 
29.76 
29.828 
N.N.W. 
Light airs and fine. 
17 
-12 
-24. 
- 17.58 
29.87 
29.83 
29.857 
N.b.W. 
Strong breezes with much drift. 
18 
- 5 
-16 
— 8.88 
29.99 
29.78 
29.882 
North 
Fresh gales with heavy drift. 
19 
-10 
-18 
— 13.75 
30.00 
29.91 
29.965 
North 
Moderate and clear. 
20 
-8 
-18 
— 11.88 
29.89 
29.75 
29.805 
North. 
Light airs with small snow 
21 
-12 
-24 
— 15.63 
29.78 
29.63 
29.697 
5 N.b.E. 1 
l North. 5 
Light airs and hazy. 
22 
- 8 
-22 
— 13.75 
29.88 
29.72 
29.780 
North. 
Fresh breezes and hazy with drift. 
23 
-17 
-26 
- 22.42 
30.05 
29.91 
29.997 
North 
Light airs and fine. 
24 
-18 
-27 
—21.50 
30.06 
29.95 
29.995 
North 
Ditto ditto. 
25 
-22 
-30 
— 26.71 
29.94 
29.92 
29.927 
5 N.W. > 
(_ North 5 
Ditto ditto 
26 
-21 
-29 
—25.50 
30.14 
29.93 
30.005 
North 
Light to strong breezes. 
27 
-19 
-33 
—26.17 
30.19 
30.03 
30.132 
North 
Light airs to snow. 
28 
-16 
—29 
—24.17 
30.26 
30.19 
30.227 
N.N.W. 
Light breezes and fine. 
29 
-17 
-28 
— 23.88 
30.19 
30.14 
30.165 
N.N.W. 
Ditto ditto. 
30 
-12 
-28 
— 20.29 
30.25 
30A4 
30.212 
North 
Ditto ditto. 
31 
- 3 
-27 
— 11.50 
30.18 
29.89 
30.003 
N.W. 
Ditto and hazy 
*f 6 
-40 
- 18.10 
30.26 
29.00 
29.803 
Y 
