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METEOROLOGV. 513

HARRISBURG, PENNSYLVANIA. Latitude, 400 16/ N.; longitude, 760 50 W. Hours of observation, 7 A. M. and 2 and 9 p. M.

Latest frost in spring, April 7; earliest frost in autumn, November 15; period without frost, 221 days. Observer, Jonx HEIsELEY, M. D.

4 Jan. Feb. Mar. Apr. May. June. July. Aug. Sept. Oct. Nov. Dec. Annual.

Thermometer, wean enn 37.77 38.79 45.71 61.88 71.58 77.11] 74.51 68.14 55.64 43.47 39.82 52.93 mernore 8 63 e wi wi i e e e...ee. Therm'r extremes.¹— i2 1 14 26 43 57 38 59 4 35 19 26 ſeile... Rain, inches......- 1.2 ⸗ ⸗ 2.80 8.03 11.20 3.23 2.93 3.09 1,18 1.00 5.67—*

HIIISBOROUGH, OHIO.

Latitude, 390 13/ N.; longitude, 830 300 W. Flevation above tide-water, 1,000 feet. Hours of observation, 7 A. M. and 2 and 9 P. M. Latest frost in spring, May 12; earliest frost in autumn, September 29; period without frost, 139 days. Observer, JosrPH MoD. MATHEws.

Jan. Feb. Mar. Apr. May. June. July. Aug. Sept. Oct. Nov. Dec. Annual.

48.90

Thermometer, mean. 17.55] 41.33 35.16] 40.62 56.28 66.04 69.88 69.46 64.44 50.67 37.48 37.92 66 69 58..

Therm'r extremes. 41,7 6⸗ 73⁸ 69 81 85 8⸗ 85 52

5 5.5 20 353 50 53 52 41 32 9 20.

Rain, inches 1. 73 21. 19 1.05 3.03 4.90 5.43 4.92 4.71 0.100 3.99 4.81 3.55 41.23 HIRAM, OHIO.

Latitude, 410 20/ N.; longitude, 810 15 W. Flevation above tide-water, 675 feet. Hours

of observation, 7 A. M. and 2 and 9 P. M.

Latest frost in spring, May 18; earliest frost in

autumn, September 22; period without frost, 126 days. Observer, S. M. LorHnh.

Jan. Feb. Mar. Apr. May. June. July. Aug. Sept. Oct. Nov. Dec. Annual.

Thermometer, mean. 13.43 38.04 31.68 37,.06 53. 84 64.62 70.62 67.29 63.88 48.82 34.52 35.80

Therm'r extremes 37 64 66 63 84 86 88 85 86 70 65.. 1— 9 3 4 18 31 50 53 54 40 30 5 241411..

Rain, inche 27 3. 45 0.80 2.78 3.96 5.80 5.14 2.49 1.54 4.33 4.44 2

LAWRENCE, MASSACHUSETTS.

Latitude, 420 42/ N.; longitude, 710 11 W. Bours of observation, 7 A. M. and 2 and 9 p. M. Latest frost in spring, April 8; earliest frost in autumn, September 7; period without frost, 151 days. Observer, JoHN FALLON.

Jan. Feb. Mar. Apr. May. June. July. Aug. Sept. Oct. Nov. Dec. Annual.

Thermometer, mean. 1, o4 32.97 32.11 31.73 54. 19 62.43 70.98 69.34 59.82 48.29 40.23 31.57

45.94

54 67 55 65 86 82 91 91 86 65 70 52[.......

Therm'r extremes.) 25— 6 5 13 36 47 51 51 3 25 13...... Rain, inches.......ẽ 0.52/ 2.07 3.48 9.85 4.82 2.86 4.88 6.29 2.65 5.98 2.35 4.84 56.60

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