ABSTRACT of the METEOROLOGICAL JOURNAL kept on board His Majesty’s Ship Hecla, at Sea, 
during the Month of August , 1819. 
Day 
Temperature of Air 
in shade. 
Sea Water at the 
surface. 
Barometer. 
Prevailing Winds. 
Prevailing Weather. 
Maxi- 
mum. 
Mini- 
mum. 
Mean. 
Tempe- 
rature. 
Specific 
Gravity. 
Tempera- 
ture when 
weighed. 
Maxi- 
mum. 
| Mini- 
mum. 
Mean. 
1 
+ 
o 
30 
+ 
o 
33.5 
+ 
o 
34.50 
+ 
o 
32.6 
1.0215 
55.5 
inches. 
29.60 
inches. 
29.51 
inches. 
29.540 
West 
i Fresh breezes and hazy. 
2 
41 
33 
37.00 
34.2 
1.0255 
52 
29.73 
29.59 
29.660 
( N.E.bE.roundby ? 
( South to West j 
From fresh breezes to calms. Fine weather. 
3 
38 
33 
35.58 
33.2 
1.0247 
55 
29.70 
29.50 
29.632 
( A.M. S.WbW. ) 
l P.M. East. 5 
Moderate breezes and hazy. 
4 
37.5 
33.5 
35.29 
32.8 
1.0248 
55 
29.51 
29.45 
29.481 
East 
Strong breezes and hazy. 
5 
35 
33.5 
34.25 
31.7 
.... 
.... 
29.51 
29.48 
29.496 
N.W. 
Light airs and cloudy, with snow. 
6 
35 
33 
33.83 
31.8 
1.0232 
59 
29.56 
29.51 
29.530 
N orth 
Light breezes and cloudy. 
7 
36 
31 
33.83 
31.6 
1.0248 
58 
29.60 
29.53 
29.562 
North 
Moderate breezes and cloudy. 
8 
35 
30 
32.62 
31.5 
1 .0256 
38 
29.65 
29.59 
29.622 
N.W. 
Light breezes and cloudy. 
9 
39.5 
30.5 
33.92 
30.9 
1.0255 
56 
29.67 
29.62 
29.650 
N.W.bW. toS.S.W. 
Ditto. 
10 
36 
31 
33.00 
31.2 
1.0246 
56 
29.55 
29.52 
29.540 
S.bW. 
Moderate breezes and hazy, with rain and snow. 
11 
35 
33 
33.42 
31.0 
1.0244 
56 
29.66 
29.49 
29.567 
S.bW. 
Moderate and foggy, with continued rain. 
12 
35 
30 
32.58 
31.4 
1 .0210 
55 
29.85 
29.80 
29.820 
N.bE. 
Moderate and foggy, with rain at intervals. 
13 
40 
30 
30.88 
32.2 
1.0237 
54 
29.86 
29.72 
29.810 
S.W. 
Light airs and fine clear weather. 
14 
42 
34 
36.75 
32.7 
1.0239 
55 
29.76 
29.61 
29.717 
N.N.W. to S.S.W. 
Ditto ditto. 
15 
39 
32 
35.21 
33.1 
1.0236 
55 
29.63 
29.61 
29.620 
S. Westerly. 
Ditto ditto. 
16 
36 
33 
34.00 
32.8 
1.0242 
55 
29.6S 
29.61 
29.642 
5 S.S.E. round bv ) 
l S. to W.N.W.* S 
Light airs and hazy ; calm at times. 
17 
35 
32 
33.42 
32.6 
1.0242 
55 
29.66 
29.63 
29.652 
S.W. 
Light airs and foggy weather. 
18 
36 
32.5 
33.67 
32.5 
1.0236 
55 
29.64 
29.60 
29.625 
s A.M. S.W.bW. } 
i P.M. N.E.bE, j 
Light breezes and cloudy. 
19 
33 
32 
32.83 
32.8 
1.0233 
57 
,29.55 
29.53 
29.542 
E.bN. 
Strongbreeze* &hazy, with rain, hail, & sleet. 
20 
36 
33 
34.86 
32.6 
1.0233 
57 
29.63 
29.57 
29.610 
E.bN. 
Light breezes and hazy weather. 
21 
36 
33 
34.79 
32.5 
1.0188 
58 
29.66 
29.62 
29.650 
Round the compass. 
Ditto 
22 
38 
33 
35.62 
33.2 
1.0235 
54 
29.76 
29.67 
29.729 
Ditto. 
Light variable airs— A.M. hazy, P.M. clear. 
23 
36 
32 
33.75 
31.5 
1.0247 
54 
29.76 
29.66 
29.712 
North 
Moderate breezes and cloudy. 
24 
30 
28 
29.50 
30.1 
1.0246 
54 
29.06 
29.61 
29.634 
N.N.W. 
Fresh breezes and cloudy. 
25 
32 
30 
30.54 
30.2 
29.87 
29.64 
29.757 
N.W. 
Ditto. 
20 
35 
30 
31.92 
30.4 
30.06 
29.95 
30.012 
N.W.b.W. 
Ditto. 
27 
34 
30.5 
32.58 
30.9 
..... 
29.96 
29.80 
29.900 
S.S.W. 
Light breezes and fine clear weather. 
28 
34 
30 
32.00 
31.8 
29.70 
29.60 
29.657 
S.S.E. to N.E. 
Light breezes and foggy. 
29 
32 
31 
31.75 
31.7 
29.57 
29.40 
29.482 
S.E. 
Light airs and foggy. 
30 
34 
30 
32.08 
31.1 
29.36 
29.31 
29.332 
N.E. 
Fresh breezes and foggy. 
31 
34 
31 
32.21 
31.4 
.... 
. . . . 
29.59 
29.39 
29.510 
C N.W. round by > 
North to East 5 
.... ,\ : 
Light airs, with sleet and snow. 
42 
2S 
33.67 
31.93 
30.06 
29.31 1 
29.635 
: ■: . ■ | 
