{79} THERMOMETRICAL OBSERVATIONS

From, April 6 to June 13, 1803

Days of the
month		 Times of
observation		 Place Wind Weather
APRIL Fahrenh. deg.
6 VI. A.M. 34 Carlisle in Pennsylvania. N.W.
II. P.M. 64 127 miles from Philad. S.W. Fair all day.
7 X. A.M. 52 Strasburg, at the foot of the mountain. N.
XI. A.M. 58 Top of the mountain. W.N.W.
XII. M. 67 Valley below.
I½. P.M. 57 Top of the second ridge.
III. P.M. 69 Fannetsburg; 2d valley. W.
V. P.M. 72 Top of third mountain.
VII. P.M. 60 Burnt Cabins; 3d valley. S.W. Fair all day.
8 VI. A.M. 48 Same place. W.S.W. Hazy.
X. A.M. 62 Foot of Sideling mountain. Fair, except while enveloped with clouds on the side of the mountain.
9 XII. M. 56 ⎫ Borders of the Juniata. ⎫ N.W. Fair.
II. P.M. 65 ⎬ ⎬
V. P.M. 58 ⎭ ⎭
10 VIII. A.M. 39 ⎫ same place Fair.
XI. A.M. 62 ⎬
II. P.M. 68 ⎭
11 VII. A.M. 54 Bedford ⎫ Fair.
II. P.M. 78 Foot of the Alleghany ⎭
VII. P.M. 52 Top of the mountain.
12 VI. A.M. 55 Top of the mountain E. Smoky.
XII. M. 74 Somerset W.
V. P.M. 77 Foot of Laurel mountain. W.
VII. P.M. 60 Top of the mountain. W. Smoky all day.
13 VI. A.M. 57 same place
X. A.M. 63 Bottom of Laurel Hill Hazy.
XII. M. 84 265 miles from Philad. S.W. Fair.
VII. P.M. 79 280 same place. Smoky.
14 VI. A.M. 70 285 same place (Westmoreland County.) Shower.
II. P.M. 65 Banks of Monongahela.
VII.P.M. 68 Mifflin (Alleghany Co.) 312 miles from Philad.
15 VI. A.M. 58 Valley of Monongahela. N.W. ⎫ Rain.
X. A.M. 64 Pittsburg W. ⎭
VII. P.M. 55 same place. Cloudy. Snow in the night.
IX. P.M. 49 same place.
16 VII. A.M. 35 ⎫ same place. Clear.
XII. M. 48 ⎬ Flurry of snow.
{80} VI. P.M. 46 ⎭ Cloudy.
17 VII. A.M. 44 ⎫
XII. M. 46 ⎬ Pittsburg. S.E. Fair[60]
VI. P.M. 45 ⎭
18 VII. A.M. 43 ⎫
XII. M. 63 ⎬ same place. S.E. by E. Fair & pleasant.
VII. P.M. 60 ⎭
19 VII. A.M. 45 Pittsburg. ⎫
II. P.M. 72 Cannonsburg. ⎬ S.S.W. Fair.
VII. P.M. 62 Washington. ⎭
20 X. A.M. 62 10 miles beyond Wash. ⎫
III. P.M. 78 Shepherd’s mills on Wheeling Creek. ⎬ Fair.
VI. P.M. 68 Wheeling. ⎭
21 VII. A.M. 62 Wheeling. Shower early in morn.
II. P.M. 75 Captinat Island on the Ohio, 101 miles below Pittsburg. ⎫ Fair.
VII. P.M. 72 Fish Creek, 110 miles below Pittsburg. ⎭
22 VII. A.M. 64 Long reach on the Ohio 127 miles below Pittsburg. ⎫
II. P.M. 73 Long reach. ⎬ Fair.
VII. P.M. 65 Head of Muskingum Isl. ⎭
23 VII. A.M. 58 ⎫ S.E. and by S.
II. P.M. 65 ⎬ Marietta. Rainy.
V. P.M. 63 ⎭
24 VII. A.M. 66 ⎫
II. P.M. 68 ⎬ same place. S.S.W. Rainy.
V. P.M. 65 ⎭
25 VII. A.M. 55 ⎫
II. P.M. 66 ⎬ same place. S.W.&W. Rainy.
V. P.M. 64 ⎭
26 VII. A.M. 46 ⎫ Cloudy.
II. P.M. 60 ⎬ same place. E.N.E. ⎫ Fair
V. P.M. 58 ⎭ ⎭
27 VII. A.M. 48 ⎫
XII. M. 61 ⎬ same place. E.and by S. Fair.
V. P.M. 57 ⎭
28 VII. A.M. 55 ⎫
XII. M. 75 ⎬ same place. W.S.W. Fair.
V. P.M. 64 ⎭
29 VII. A.M. 59 ⎫
XII. M. 70 ⎬ same place. S.W. Fair.
V. P.M. 68 ⎭
30 VII. A.M. 61 ⎫ S.W. and by W. Fair.
Hazy.
XII. M. 76 ⎬ same place.
V. P.M. 75 ⎭
MAY
1 VII. A.M. 72 ⎫ ⎫ Fair.
XII. M. 79 ⎬ same place. ⎬ Fresh wind
W.N.W.		 ⎬
{81} V. P.M. 68 ⎭ ⎭
2 VII. A.M. 63 ⎫ Fair. Slight frost in the night.
XII. M. 61 ⎬ same place. N.W.
V. P.M. 50 ⎭
3 VII. A.M. 55 ⎫
XII. M. 58 ⎬ same place. N.W. Fair.
V. P.M. 55 ⎭
4 VII A.M. 54 ⎫
XII. M. 62 ⎬ same place. S.S.W. Fair.
V. P.M. 58 ⎭
5 VII. A.M. 56 ⎫
XII. M. 62 ⎬ same place. W.N.W. Fair.
V. P.M. 59 ⎭
6 VII. A.M. 54 ⎫ Remarkably cold for this region.
XII. M. 58 ⎬ Bellepré. N.
V. P.M. 52 ⎭
7 VII. A.M. 44 ⎫ Fall of snow: very unusual here, and more than fell at any one time in the winter.
XII. M. 52 ⎬ same place. N.N.W.
V. P.M. 39 ⎭
8 VII. A.M. 384 ⎫
XII. M. 56 ⎬ same place. N.N.W. Fair.
V. P.M. 55 ⎭
9 VII. A.M. 53 ⎫
XII. M. 58 ⎬ same place. Fair.
V. P.M. 56 ⎭
10 VII. A.M. 55 ⎫
XII. M. 69 ⎬ same place. N.W. Fair.
V. P.M. 58 ⎭
11 VII. A.M. 55 ⎫
XII. M. 70 ⎬ Marietta. W.S.W. Fair.
V. P.M. 71 ⎭
12 VII. A.M. 65 ⎫ W. and by N.
XII. M. 80 ⎬ same place. Fair.
V. P.M. 77 ⎭
13 VII. A.M. 68 ⎫
XII. M. 82 ⎬ same place. Fair.
V. P.M. 79 ⎭
14 VII. A.M. 72 ⎫ Marietta. ⎫ Fair.
XII. M. 80 ⎭ ⎭
V. P.M. 79 8 miles up the Muskingum. Thundershower.
15 VII. A.M. 71 ⎫ At Rainbow, a little village 12 miles up the Muskingum. Hazy.
XII. M. 78 ⎬
V. P.M. 75 ⎭ Fair.
16 VII. A.M. 78 ⎫ Up the Muskingum. Broken clouds.
XII. M. 83 ⎭
V. P.M. 77 18 miles from Marietta. Thun. showers.
17 VII. A.M. 62 ⎫ Waterford, 25 miles from Marietta.
XII. M. 85 ⎬ Fair.
{82} V. P.M. 80 ⎭
18 VII. A.M. 63 ⎫
XII. M. 80 ⎬ Waterford. Fair.
V. P.M. 77 ⎭
19 VII. AM. 82 ⎫ Returning from Waterford. Showery.
XII. M. 84 ⎬ Clouds united from the N.E. and S.W. with a heavy thunder shower.
V. P.M. 86 ⎭
20 VII. A.M. 71 ⎫
XII. M. 76 ⎬ Marietta. W.N.W. Cloudy.
V. P.M. 73 ⎭ Fair.
21 VII. A.M. 63 ⎫
XII. M. 69 ⎬ same place. W.N.W. Cloudy.
V. P.M. 65 ⎭
22 VII. A.M. 64 ⎫ ⎫ W.N.W. Rainy.
XII. M. 69 ⎬ same place. ⎭ N.N.E.
V. P.M. 68 ⎭ S.S.W. Fair.
23 VII. A.M. 5 ⎫ Cloudy.
XII. M. 66 ⎬ same place.
V. P.M. 60 ⎭ S.W. Rain.
24 VII. A.M. 70 ⎫ Cloudy.
XII. M. 71 ⎬ same place. Fair.
V. P.M. 68 ⎭ Thun. showers.
25 VII. A.M. 64 ⎫ Fair.
XII. M. 68 ⎬ same place. Cloudy.
V. P.M. 66 ⎭ Thun. showers.
26 VII. A.M. 65 ⎫ ⎫ Fair.
XII. M. 68 ⎬ same place. ⎭
V. P.M. 65 ⎭ Flying clouds, & distant thun.
27 VII. A.M. 64 ⎫
XII. M. 75 ⎬ same place. E.N.E. Fair.
V. P.M. 63 ⎭
28 VII. A.M. 62 ⎫
XII. M. 68 ⎬ Bellepré. Fair.
V. P.M. 64 ⎭
29 VII. A.M. 58 ⎫
XII. M. 63 ⎬ same place. Fair.
V. P.M. 56 ⎭
30 VII. A.M. 59 ⎫
XII. M. 72 ⎬ same place. Fair.
V. P.M. 70 ⎭
31 VII. A.M. 58 ⎫ Vienna, a little village on the Ohio, in the State of Virginia Fair.
XII. M. 72 ⎬
V. P.M. 60 ⎭
JUNE
1 VII. A.M. 71 ⎫ Fair.
XII. M. 80 ⎬ Marietta. Scattered
V. P.M. 76 ⎭   clouds.
2 VII. A.M. 72 ⎫
XII. M. 85 ⎬ same place. Fair.
{83} V. P.M. 81 ⎭
3 VII. A.M. 72 ⎫ ⎫ Rainy.
XII. M. 79 ⎬ same place. S.S.W. ⎭
V. P.M. 74 ⎭ Thunder.
4 VII. A.M. 71 ⎫ S.W. and by W.
XII. M. 74 ⎬ same place. Rainy.
V. P.M. 72 ⎭
5 VII. A.M. 69 ⎫ Scatt. clouds.
XII. M. 774 ⎬ same place. ⎫ Fair.
V. P.M. 62 ⎭ ⎭
6 VII. A.M. 67 Marietta. ⎫
XII. M. 75 25 miles up the river. ⎬ Fair.
V. P.M. 63 48 do. ⎭
7 VII. A.M. 66 same place. ⎫
XII. M. 77 63 miles up the river. ⎬ Fair.
V. P.M. 62 Grave Creek. ⎭
8 VII. A.M. 59 ⎫ do. ⎫ Fair.
XII. M. 76 ⎭ ⎭
V. P.M. 70 Wheeling. Shower.
9 VII. A.M. 64 ⎫
XII. M. 73 ⎬ Wheeling. Fair.
V. P.M. 72 ⎭
10 VII. A.M. 68 Wheeling. ⎫
XII. M. 84 12 miles from Wheeling. ⎬ Fair.
V. P.M. 78 Donegala, a small town in Pennsylvania. ⎭
11 VII. A.M. 74 ⎫ Washington, in Washington County, Pennsylvania.
XII. M. 84 ⎬
V. P.M. 82 ⎭
12 VII. A.M. 72 same place. ⎫ Fair.
XII. M. 84 ⎫ ⎭
V. P.M. 83 ⎭ Brownsville.[61] Thundershower in the evening.