ABSTRACT of the METEOROLOGICAL JOURNAL kept on board His Majesty’s Ship Hecla, 
during tW Month of April, 1820. 
Day 
Temperature of Air 
in shade. 
Barometer. 
Prevailing Winds. 
Prevailing Weather. 
Maxi- 
mum. 
Mini- 
mum. 
Mean. 
Maxi. 
mum. 
Mini. 
mum. 
Mean. 
1 
O 
— 0 
o 
—16 
o 
— 6.33 
inches 
30.02 
inches 
30.01 
inches. 
30.013 
N.W. 
Light breezes and cloudy : snow. 
2 
— 2 
—25 
— 8.37. 
30.02 
29.89 
29.955 
Round the compass. 
Light and variable with snow. 
3 
— 9 
—26 
—18.71 
29.81 
29.79 
29.798 
North. 
Light airs and fine. 
4 
— 8 
—26 
—14.75 
29.86 
29.83 
29.843 
North. 
Ditto ditto. 
5 
— 5 
—24.5 
—16.62 
30.00 
28.86 
21.908 
W.N.W. 
Ditto ditto. 
6 
—15 
—25 
—18.75 
30.01 
29.96 
29.983 
N.N.W. 
Fresh breezes with drift. 
7 
-13 
—20 
—21.00 
30.00 
29.S9 
29.940 
N.W. 
Moderate and fine. 
8 
— 3 
—29 
—20.46 
29.87 
29.84 
29.855 
North. 
LighV airs and fine. 
9 
—14 
—30 
—21.85 
29.8S 
29.83 
29.850 
S.E. 
Ditto ditto. 
10 
—12 
—32 
—22.96 
29.80 
29.70 
29.730 
North. 
Ditto ditto. 
11 
—12 
—27 
—19.67 
29.68 
29.57 
29.620 
North. 
Ditto ditto. 
12 
—11 
—29 
—20.00 
29.64 
29.52 
29.565 
North. 
Ditto ditto. 
13 
-15 
—31 
—22.92 
29.85 
29.67 
29.768 
N.byW. to South. 
Ditto ditto. i 
14 
—14 
—29 
—19.37 
29.95 
28.89 
29.932 
N.N.E. to S.S.E. 
Ditto ditto. 
15 
+ 6 
—17 
— 7.33 
29.72 
29.40 
29.543 
E.S.E. 
From fresh to light breezes. 
10 
— 5 
—19 
—12.33 
29.90 
29.57 
29.770 
N.N.W. 
Light breezes and clear. 
17 
— 5 
—21 
—13.62 
30.26 
29.94 
30.127 
Round the compass. 
Ditto ditto. 
18 
— 1 
—15 
— 8.17 
30.32 
30.23 
30.288 
Calm. 
Clear weather. 
19 
+ 2 
—13 
— 4.00 
30.23 
29.92 
30.052 
E.S.E. 
Light airs and fine. 
20 
+ 4 
— 9 
— 2.21 
29.78 
29.67 
29.697 
East. 
Fresh breezes : snow and drift. 
21 
+ 3 
—10 
— 3.17 
29.96 
29.70 
29.837 
N.N.W. 
Moderate and fine. 
22 
0 
—12 
— 4.63 
30.00 
29.97 
29.9S7 
North. 
Fresh breezes and hazy. 
23 
+ 13 
— 5 
+ 4.00 
29.89 
29.63 
29.756 
.N.N.E. 
Fresh breezes with drift. 
24 
+ 14 
+ 4 
+ 10.42 
29.71 
29.67 
29.692 
East. 
Fresh breezes with snow and drift. 
25 
+ 14 
— 7 
+ 4.88 
30.20 
29.70 
29.970 
East to S.S.W. 
Moderate with snow and drift. 
26 
+ 11 
—12 
— 1.17 
30.55 
30.25 
30.380 
North. 
Light airs and fine weather. 
27 
+ 9 
—12 
+ 0.08, 
30.86 
30.66 
30.803 
North to S.E. 
Ditto ditto. 
28 
+ 15 
— 5 
+ 4. S3 
30.79 
30.46 
30.607 
Round the compass. 
Ditto ditto. 
29 
+ 22 
+ 3 
+ 12.75 
30.66 
30.43 
30.555 
North. 
Light airs with snow. 
30 
+ 32 
+ 6 
+ 30.28 
30.67 
30.34 
30.505 
N.W. 
Ditto ditto 
+ 32 
—32 
— 8.37 
30.86 
29.40 
29.978 
