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METEOROLOGX. 515 MILWAUKIE, WISCONSIN.

Latitude, 430 04 N.; longitude, 870 57/ W. Elevation above tide-water, 593 feet. Hours of observation, 7 A. M. and 2 and 9 P. M. Latest frost in spring, May 11; earliest frost in autumn, October 19; period without frost, 160 days. Observer, C. WIRKLER, M. D.

Jan. Feb. Mar. Apr. Nov. Dec. Annual.

May. V June.

July. Aug. V Sept. Oct.

7.75 27.72 27.03 33. 32 49.19 61.01 68.89 67. 4 61.04 46.81 29 57 30,71. 42.55 34 49 49 54 84 85 88 93 87 69 57 44 24

— 19— 12— 3 15 27 51 53 39— 3 7 3.41 3.14 3.l 2.73 2.96 1.50 1.70

Thermometer, mean

Therm'r extremes.

Rain, inehes....... 1.85 1.20 3.69 4.60

MEADVIIILE, PENNSYLVANIA.

Latitude, 410 39, N.; longitude, 800 11 W. Elevation above tide-water, 1, 088 feet. Hours of observation, 7 A. M and 2 and 9 P. M. Latest frost in spring, May 11; earliest frost in autumn, September 23; period without frost, 134 days. Observer, T. F. THIOKSTUN.

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

Tnhermometer, mean. 13.56 36.23 30,24 36.88 54.39 64. 82 72.02 56.77 62.36 48.50 34.42 34.16 45.36 0 5 88 92 72

4 66 55..... Therm'r extremes.]— 12— 4 3 16 52 50 40 30— 10 14.....

32 45. Rain, incheg 2 12 3.15 1.92 3.70 3.40 8.57 4.39 3.89 1.95 5.40 0.96 4.75 44. 35

NORRISTOWN, PENNSYLVANIA.

Latitude, 400 08/ N.; longitude, 750 19⸗W. Elevation above tide-water, 153 feet. Hours of observatiop, 7 A. M. and 2 and 9 P. M. Latest frost in spring, April 7; earliest frost in autumn, September 30; period without frost, 175 days. Observer, Rev. J. GRIER RALSTON.

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

Thermometer, mean. 20.28 37.50 35.97 41.90 56.39 66.33] 71.70 69.91 62.80 51.85 41.29 39.10 49.58 37 60 61 81 87 87 88

80 71 74 65.. Therm'r extremes.)— 16 6.5 10 21 40 53 42 32 14 20.....

52 53 20 Rain, inches 3.36 0.89 1.46 6.84 6.77 6.600 2.72 6.77 1.71 3.34 1.69 6.90 47.55

MORRISVILLE, PENNSVYI.VANIA,

Latitude, 402 12/ N.; longitude, 740 53, W. Elevation above tide-water, 30 feet. Hours of observation, 7 A. M. and 2 and 9 p. M. Latest frost in spring, May 13; earliest frost in autumn, September 30; period without frost, 139 days. Observer, EBENEZIR HANC.

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

Thermometer, mean 18.95 36.69 35.49 43.08 57.67 66.23 71.46] 69.98 63.47 52.50 42.32 37.53 49.61 36 3 2 3 5

Therl: 79 60 64 82 86 89 90 81 72 73 7..... nerm'r extremes.]— 17 4 7 20 40 54 52 56 44 33 14 14........ Rain, inches..... 2.60 1.00 1.20 6.60 5.80 7.80 4.10 8.00 1.40

1

2.90 1.20 5.20 47.80