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July,

II. METEOROLOGICAL INFORMATION.

I. METEOROLOGICAL TABLES FOR SACO, ME.
Lat. 43° 31′ N., Long. 70° 26' W. By John M. Batchelder.

Monthly Means of
Barometer.

Monthly Means of Monthly Means of
Attached Therm.

External Therm.

1845.

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87 P. M.

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29.834 29.831 29.845 29 837 67.7 73.1 715 70.8 68.2 77.7 69.3 71.7 30.043 30.042 30.047 30.044 68.0 73 0 70.5 70.5 65.9 76.667.4 70.0 29.965 29.918 29.979 29.954 58.8 74.2 62.6 61.9 56.3 66.2 57.3 59.9 30.178 30.170 30.152 30.167 56.0 61.5 59.6 59.0 42.8 57.9 47.4 49.4 29.860 29.814 29.882 29.852 56.1 60 9 60 359.1 36.4 47.0 41.1 41.5 30.036 30.026 30.005 30.022 60 162.9 60.1 61.0 16.5 26.4 20.4 21.1

29.985 29.958 30.008 29.984 58.4 62.8 62.3 61.2 17.0 29.7 21.8 22.8 30 059 30.026 30.051 30.045 51.4 63.6 62.7 59.2 10.2 26.3 16.8 17.8 29.955 29.969 29.964 29.963 60.7 66.1 62.8 63.2 30.0 43.7 35.0 36.2 30.158 30.109 30.056 30.108 62.8 67.7 64.8 65.1 42.3 57.3 45.5 48.4 29.979 29.986 29.996 29.987 60.0 62.8 62.0 61.6 51.6 59.7 52.4 54.6 29.980 29.976 29.967 29.974 63.0 66.5 65.6 65.0 61.8 71.165.4 66.1 30.003 29.985 29.996 29.995 60.3 65.4 63.7 63.1 41.6 53.34.49 46.6

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II. METEOROLOGICAL TABLES FOR CAMBRIDGE, MASS. Summary of the Meteorological Observations made at the Observatory of Harvard College. By W. Cranch Bond. North Lat. 42° 22'. Lon. West of Greenwich, 71° 07'. From May 1st, 1844, to May 1st, 1846.

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Barometer was highest, 1844, October 22, 30.622 in. Range, 1.740. Mean for the year, 29.907.

Thermometer highest, 1844, August 17th, +90°. Mean temperature for the year, 47.2.

Lowest, February 5th, 1845, 28.882. Lowest Feb'y 2d, 7.9. Range, 97.9.

Minimum of Therniometer, 1846,

Maximum of Thermometer, 1845, July 12, +100°.
February 27th, -8. Range, 108. Mean for the year, 29.920 in.

Barometer was highest, 1845, November 29th, 30.680. Lowest, February 20, 1846, 29.080. Range, 1.600. Mean temperature of the year at the hours, 48.9°.

The hours of observation adopted in these tables, are those generally used by observers in England. The mode of notation for the winds and clouds also deserves notice. In the former case, O denotes a perfect calm, and 6 the greatest violence of the wind. In the latter case, 0 denotes a sky without any clouds, and 10 a sky completely overcast. As uniformity in these tables is very desirable, it is to be wished that this method should be adopted by observers throughout the country.

III. 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. For the years 1843 and 1844.

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15 7

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13 8

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12 10

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14 8

September,

28.10

20

10 4

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November,

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-8 26 38 24 46 11 8 15.8 21.0 16 5 16.2 -6 10 44 22 50 17 2 17.9 30.5 24.3 22.4 7 9 49 25 42 28.3 33 4 37.1 32.5 32.8 16 2 84 14 68 44.4 50 0 58.0 46.2 54.5 3 40 13 84 25 44 48.5 56.6 59.1 56.3 55 0 241 12 90 27 49 55.3 65.6 71.4 50.5 60.5 248 886 14 38 59 3 67.8 74.4 64 2 66.2 350 29 88 2 38 59.3 69.4 74.3 64.0 66.7 29 28 84 9 55 51.8 63.4 67.7 54.5 59.2 28 21 69 10 41 41.6 48.3 55.0 46.4 47 7 9 30 55 9 46 31 4 36.6 42.7 37.1 36.8 420 49 7 45 26.7 30.6 34.1 29 9 30.2 153 72 26 11-8) 190 98 39 6 46 2 52.1 42.7 45.0

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Monthly Means of Clouds Means of Force of Winds, Direction of the Wind. 0-10, at the hours. 0

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3. WINDS AND CLOUDS.

M'thly Means of Clouds, Means of Force of Winds, Direction of the Wind.

0-10 at the hours.

0-6 at the hours.

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IV. METEOROLOGICAL TABLE FOR WORCESTER, MASS. Lat. 42° 16' 17'' N.; elevation 483 feet; for the Year 1845.

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Barometer.

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

Greatest height 29 92 29.98 29.76 29 75 29 84 29.61 29.56 29.72 29.72 29.88 29.94 29.94 28.81 28.28 28.80 23.93 29 07 29.11 29.00 29 05 28.92 29 07 28 35 28 68 29.36 29.13 29.28 29.34 29.45 29.36 29.28 29.38 29.32 29 47 29.14 29.31

Least height,

Mean.

Thermometer.

Greatest height

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Least height,

Mean,

Fair days,

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Aur. Borealis,

do. of Snow, 12.

20. 10.

Days of

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Cloudy days,

Rain fell, days,

Snow fell, do. 6 4

Halos of Moon, 1

1

Inches of Rain, 4.17 2.61 3.29 1.61 3.23 3 14 2.91 2.36 2.57 4.44 6.77 5.39 42.49 0 0 0 0

0

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