I. GENERAL ABSTRACT OF METEOROLOGICAL OBSERVATIONS FOR THE YEAR 1861.-MADE AT PHILADELPHIA, PA. Latitude, 390 57 N.; Longitude, 75° 10 W. from Greenwich. Height of Station, 50 foot above mean tide in the Delaware River.

Day

In. In. In. In.
29.99 29.95 29.97 29.97
29.95 29.91 29.95 29.94
29.92 29.86 29.91 29.89
29.84 29.79 29.82 29.82

In. In.
481 6.0 11.6 27.7 34.3 30.9 30.97 1.066 .229
691 8.9 17.3 33.9 45.5 39.1 39.52 1.177 .264
6212 8.7 18.2 37.7 48.7 41.6 42.67 1.032 231
55 5.8 19.1 47.2 60.5 51.1 52.94 1.020 .143
5.1 19.6 55.4 65.7 57.0 59.38 1.036.156 29.74 29.69 29.73 29.72

5.3 18.5 69.3 79.3 70.8 73.13

3.7 19.3 72.7 182.9 172.7 76.10
391 3.9 16.8 68.9 79.5 71.0 73.15
40 4.4 17.2 62.4 74.7 66.7 67.95
54 5.3 16.9 54.3 66.6 58.7 59.87
34% 4.1 13.1 39.8 48.7 43.3 43.94

45

.534.104 29.78 29.74 29.74 29.75

.456 .078 29.80 29.76 29.78 29.78
.604 .098 29.91 29.90 29.91 29.91
1.060 .144 29.95 29.91 29.92 29.93
.983.166 29.95 29.89 29.93 29.92
.896 .179 29.79 29.74 29.78 29.77
5.7 14.6 32.5 42.3 35.9 36.88 1.170 .213 30.04 29.99 30.01 30.01

-1

5412 14

Day

O

Day

41.7 7 7.8 13
56.2 28 8.2 8

29 75.5

15 56.2

18

47

40

40

1/13 691 6.6 13.7 30.3 33.5 33.9 34.25 1.241 .230 29.96 29.92 29.96 29.95
3/18/72 6.5 18.9 46.8 58.3 49.9 51.66 1.290.177 29.83 29.78 29.82 29.81
6/6 44 4.3 18.2 70.3 80.6 71.5 74.13 .707.093 29.83 29.80 29.81 29.81
11/25 59 4.6 15.7 52.2 63.4 56.2 57.25 1.239.163 29.90 29.85 29.88 29.87

7/8-1

2/8 87.8 7/8 7.8 1/13 96 5.6 16.8 50.2 60.7 53.254.71 1.430.167 29.89 29.85 29.87 29.87

BAROMETER AT 32° F.

TEMPERATURE.

A TABLE GIVING THE MEAN TEMPERATURE FOR EACH MONTH AND YEAR, AND THE AVERAGE TEMPERATURE, FOR TWENTY-SIX YEARS, AS REGISTERED AT THE
PENNSYLVANIA HOSPITAL, PHILADELPHIA,

(The results are deduced from observation of the daily maxima and minima.)

1837.

1838.

1839.

January

261 35

292 244 334 35 37 27

February.

3014 23

373441
481446

May...............

60 58 62

June..........

691273

73279
681275

6614 6914 72 7514 74

68

622 66

56

334 324 362 29 3534 354 272 33 3214 3524
331 392 304 3814 284 32 341⁄2 291⁄2 334 331⁄2 271⁄2 37 3934 34 374 341⁄2 271⁄2 26 41
42 44 414 47% 304 43 4434 4234 3834 391% 42% 39% 432 4034 43 43 39 3284 39
54% 554 48 522 51 562 52 534 514 544 502 48 52 462 52 514 524 534 454 5134
62 5834 59
6034 65% 5934 64 6134 6534 58% 5734 622 634 632 65
612 60 6034 59
7234 692 712 6834 70% 73% 732 72 70% 7134 7334 713470 742 69 754 69
75 754 754 75 76 742 762 7434 74% 774 7634 77 75% 794 78% 79% 75 78
7034 74 724 72 75% 73% 74% 7434 73% 74% 74% 73 72% 724 741⁄2 7534 73 7234 734 74
6334 612 674 64% 69% 66% 65% 7034 66 642 652 67 672 6434 682 692 672 674 67 6634
54% 49% 56% 54% 694 53 524 534 5534 554 54
554 56
562 584 53 584 54 552 5534 59
44 39 3934 44 42 3812 40 432 452 492 484 41
51248
411443 48
451/2 48
45% 4434 42
281⁄2 3434 304 341⁄2 321⁄2 331⁄2 342 284 3534 392 434 341⁄2 361⁄2 30 4134 35 3634 3234 404 372 323 324 37

Mean for year..

504 51

524 524 524 522 52

534 5334 544 542 5434 534 5334 54

53254

5434 532 52 522 544 542 544 5434

The table exhibits the temperature from January, 1837, to November, 1862,-the date of making out the table.