Months.

1850.

I. METEOROLOGICAL TABLEs for biddeFORD, ME.* Lat. 43° 31' N., Long. 70° 26′ W. Barometer, 40.75 above high-water-mark. By James G. Garland.

1850 inch. inch. inch. inch. inch. inch.

July 30.07 30.06 30.04
Aug. 29.99 30.03 30.01
Sept. 30.06 30.10 30.08
Oct. 29.97 29.99 29.98
Nov. 30.02 30.04 30.04
Dec. 29.97 29.95 29.96
(1851.

Sunrise.

11 P. M.

Mean

53

42

32

221

No Minimum.

30.057 30.25 29.65 60.24 76.34 72.42 69.666 64.44 82.17 71.83 72.81392
30.007 30.29 29.58 59.37 77.43 70.24 69.010 64.20 79.81 73.10 72.37093
30.050 30.39 29.66 54.28 69.36 64.33 62.650 54.54 69.16 62.19 61.966 34
29.9×2 30.26 29.60 45.33 58.70 53.36 52.466 41.80 58.40 150.50
30.030 30.38 29.41 35.80 46.42 43.80 42.000 32.12 43.75 38.66 33.170 62
29.960 30.38 28.85 19.68 31.56 28.18 26.466 14.81 27.62 22 74 21.72348-13

50.200 76

Jan. 29.93 29.96 29.94 29.943 30.41 23.99 17.03 29.35 25.83 24.070 13.48 26.53 21 29 20.43353 -10
Feb. 30.18 30.12 30.19 30.163 36.77 29.48 22.66 35.58 31.95 30.063 19.50 31.08 27.50 26.027 48-14
Mar. 29.96 29.97 29.99 29.973 30.48 28.98 29.68 46.12 40.00 38.943 26.11 41.26 35.10 34.156 77
Apr. 29.97 30.09 29.99 30.016 30.53 29.54 38.24 52.60 47.75 46.196 35.29 50.20 43.34 42.943/64
May 30.04 30.08 30.09 30.070 30.35 29.58 47.15 61.48 58.62 56.712 44.64 67.25 54.86 55.56 78 32
June 29.98 30.04 30.02 30.011 30.43 29.76 54.32 72.61 66.50 64.476

M'n, 30.012 30.036 30.019 30 022

140.315 55,046 50,248 48,536

2. WINDS AND CLOUDS.

Force of Wind, 0-6. Quantity of Clouds, 0-10. Direction of the Wind.

May 1.50 2.16 1.71 1.80 5.54 5.92 6.17 5.87

June

M'n.

For winds, 0 denotes a calm; 6, a hurricane.

For clouds, O denotes perfect clearness; 10, complete cloudiness.

Rained from 11 A. M., to 11 P. M., 25th August, 1850, 4.847 inches. — Hottest day, August 6, 1850; coldest day, Feb. 7, 1851, −14°; - Saco River closed with ice, December 9, 1850; opened, March 28, 1851;- Frost on June 16. First snow, November 21. - Shower, with hail, June 14, 1851.

5445

16 1.659

11 4.864

2.610
3.072

61862

2831∞

12726

6893 27315

II. METEOROLOGICAL TABLES FOR CAMBRIDGE, MASS.

By Wm.

Summary of the Meteorological Observations made at the Observatory of
Harvard University, from May 1st, 1850, to May 1st, 1851.
Lat. 42° 23′ N., Long. 71° 08′ W. of Greenwich.

Cranch Bond.

External thermometer, highest, June 19th, 3 P. M., 910; lowest, January 31st, -30. The barometer is corrected for capillarity and temperature, but not for height above sealevel.

The total amount of rain which fell at Cambridge from April 30th, 1850, to April 30th, 1851, was 56.138 inches.

III. METEOROLOGICAL TABLE FOR LOWELL, MASS.

Abstract of the Record of the Heights of the Thermometer, at the Lower Locks, Lowell, in 1850. By James R. Moor.

The temperature of the water in the canal, which in the summer months receives the whole waters of the Merrimac River, was above 320 from March 1st to December 10th, inclusive.

IV. METEOROLOGICAL TABLE FOR WORCESTER, MASS. Lat. 42° 16' 17' N ; elevation 483 feet. For the Year 1849-50.

1849-50.

~-~-WARN 12 To December.

3.12 4.79 3.23

2

January.
Awo to February.
CALL 8 March.

Barometer.

inch inch inch. inch. inch. inch inch inch inch inch inch inch.

Greatest height, 29.81 29.90 30.05 29.72 29.67 29.65 29.93 29.64 29.67 29.68 29.68 29.70 23.70 23.73 28.52 28.46 23.70 23.85 29.00 29.15 28.80 29.04 28.85 28.81 29.25 29.31 29.28 29.09 29.1829.26 29.46 29.39 29.23 29.36 29.26 29.25

Least height,

Mean,
Thermometer.

Greatest height, 47
Least height,
Mean,

Fair days,
Cloudy days,
Rain fell, days

Snow fell, days 10

Inches of rain,

4

Iaches of snow, 8.50 15
Days of
N. wind,

26301102

23152000

2304000

12

15 15

0

3.67 5.53 7.50 3.35 3.75 6.30 7.92
20
13

0

0

0

58

73 7/5

о

94

5 18 37
45 53

44

16

8 19

5

3

5

9260

3.37 2.14 54.67

0

.50 59

10

167

17

55

24

161

91

4

Total.

V. METEOROLOGICAL TABLES FOR MENDON, MASS.

Lat. of Spire of Unitarian Church, 42° 06 23" N., Long. 71° 33′ 35" W. from Greenwich. By John Geo. Metcalf, M. D., Member of the American Statistical Association. For the Year 1850.

1

December,

3018 22 9 6
23 2 15 15 6 1
31 3 14 17 5 8

631 44 26 38 25.2 27.126.3 26.0 26.1 4 6 46 26 50 17.3 25.0 28.7 22.2 26.3 7 452 13 44 25.0 32.1 36.8 31.0 31.2 21 18 68 26 47 37.0 47.0 58.6 41.1 45.9 5 36 11 73 28 37 46.1 57.9 65,0 55.0 56.0 5 42 192 20 50 55.3 65.7 70.3 64.4 63.9 3 50 10 88 24 38 60.1 66.7 75.4 64.7 66.7 4 50 1883 7 33 59.8 70.7 77.0 65.3 65.2 39 30 80 2 41 59.4 66.0 56.8 57.0 59.8 25 30 71 17 46 46.1 51.2 53.9 48.0 43.8] 20 24 57 2 37 41.0 43.8 47.9 45.144.4 131 46 3 45 21.0 25.2 29.8 27.1 25.8

9141.147.9152.3 45.746.9

Year,.

5.0 5.0 5.2 5.0 5.0 1.0 1.9 25 1.4 1.6 99 2312315 14 158 24

VI. METEOROLOGICAL TABLES FOR PROVIDENCE, R. I.

Summary of Meteorological Observations made at Brown University. Lat. 41° 49′ 22" N., Long. 71° 24′ 48" W. from Greenwich. Barometer reduced to the Sea-level, and to 32° Fahr., and corrected for Capillary Action. By Prof. A. Caswell.

REMARKS. The barometer used in the foregoing observations is an open cistern one, fitted for reading accurately to the hundredth of an inch, as described in the Almanac for last year. The reductions have been made to the nearest hundredth of an inch.

The greatest height of the barometer for the year, corrections as above, was 30.75 inches, on the 6th of February. The least was 28.68 inches, on the 23d of December. Extreme range for the year. 2.07 inches.

The greatest height of the thermometer was 930, the 20th of June. The least was 0°, on the 6th of February.

The greatest quantity of rain at one time was 2.50 inches, on the 25th of August. Of the 123 days on which rain or snow fell, there were only 67 on which the quantity was one tenth of an inch or more. The total quantity for the year was very large, being about 13 inches above the average.

From March 21st to September 21st, observations were made at 6 A. M. The other half of the year at sunrise.