ABSTRACT of the METEOROLOGICAL JOURNAL kept on board His Majesty’s Ship Hecla, 
during the Month of June, 1820. 
Day 
Temperature of Air 
in shade. 
Barometer. 
Prevailing Winds. 
Prevailing Weather. 
Maxi- 
mnm. 
Mini- 
mum. 
Mean. 
Maxi. 
mum. 
Mini. 
mum. 
Mean. 
1 
O 
+ 40 
O 
+ 31 
+ 36.29 
inches. 
30.00 
inches. 
29.88 
inches. 
29.940 
N. by E. 
Light breezes and cloudy weather. 
2 
36 
31 
34.17 
30.00 
.30.00 
30.000 
to N.W. 
Ditto ditto. 
3 
43 
29 
35.50 
29.98 
29.74 
29.862 
C N. by West to > 
t South. S 
Moderate and cloudy. 
4 
39 
31.5 
35.63 
29.70 
29.50 
29.597 
South 
Ditto ditto. 
5 
40 
30 
34.87 
29.58 
29.52 
29.555 
S. by W. 
Moderate and fine. 
6 
37 
28 
32.17 
29.68 
29.60 
29.642 
S.E. by S. to N.W. 
Moderate and hazy. 
7 
31 
28 
29.63 
29.64 
29.50 
29.553 
N.N.W. 
Ditto ditto. 
8 
36 
28 
32.08 
29.60 
29.55 
29.590 
West. 
Ditto ditto. 
9 
38 
30 
33.92 
29.69 
29.60 
29.638 
W.S.W. to North. 
Light breezes, with rain at times. 
10 
33 
32 
32.25 
29.73 
29.62 
29.692 
S.E. to East. 
Ligiit airs to strong breezes : continued snow. 
11 
36 
33 
33.92 
29.84 
29.76 
..29.792 
West. 
Fresh breezes and cloudy. 
12 
34 
30 
32.54 
29.94 
29.86 
29.895 
West. 
Moderate and cloudy. 
13 
37 
29.5 
33.46 
29.93 
29.75 
29.895 
West. 
Moderate with snow and rain. 
14 
37 
32 
34.75 
29.73 
29.65 
29.700 
S.S.W. to N.N.W. 
Fresh breezes, with squalls and snow. 
15 
39 
29 
34.67 
29.80 
29.74 
29.775 
N.W. 
Moderate and clear. 
16 
37 
29 
33.75 
29.90 
29.85 
29.877 
S.S.E. 
Light breezes and fine. 
17 
43 
30 
34.58 
30.00 
29.90 
29.945 
S.E. 
Ditto ditto. 
18 
43 
31 
37.33 
30.13 
30.00 
30.062 
S.E. 
Light breezes and fine. 
19 
40 
34 
37.67 
30.13 
30.08 
30.112 
North 
Fresh breezes and cloudy. 
20 
39 
34 
36.25 
30.07 
29.97 
30.022 
North 
Ditto ditto. 
21 
42 
35 
38.17 
29.96 
29.93 
29.947 
North 
Strong breezes — fine clear weather. 
22 
51 
36 
44.33 
30.04 
29.94 
30.005 
North 
Moderate and cloudy. 
23 
45.5 
38 
42.08 
30.00 
29.93 
29.970 
North 
Moderate and fine. 
24 
41 
33 
37.00 
29.94 
29.79 
29.842 
N.N.W. 
Moderate and cloudy : occasional snow. 
25 
41.5 
34 
37.42 
29.80 
29.76 
29.790 
North 
Fresh breezes and cloudy weather. 
26 
47 
33 
40.50 
29.90 
29.81 
29.852 
N.N.E. to S.W. 
Light breezes and cloudy — small rain. 
27 
43 
36 
39.33 
29.96 
29.37 
29.907 
S.S.W. 
Ditto ditto. 
28 
44 
32 
37.17 
29.81 
29.74 
29.785 
S.E. 
Ditto ditto. 
29 
46 
39 
41.92 
29.79 
29.75 
29.767 
C North by East to > 
\ South. S 
Ditto ditto. 
30 
48 
37 
43.75 
29.80 
29.59 
29.677 
S.S.W. 
Fresh breezes and cloudy. 
+ 51 
+ 28 
+ 36.24 
30.13 
29.50 
29.823 
