STATE AGRICULTURAL BOCIETY. 273 



METEOROLOGICAL REPORT FOR JANUARY, 1884, 1885, 1886, AT 



OROVILLE, CALIFORNIA. 



By II. Akkms, Voluntary Observer, Signal Service, 0. S. A. 



January, 1884. — Mean temperature for this month was 50.45°: the low- 

 est temperature was 35° on the 18th; highest on the 5th 3 70°. Maximum 



temperature for the month was 54.04°; minimum. 42.1 , : but one frost this 

 month, and very light, on the 18th. 



January, 1885. — Mean temperature, 52.2.T: the highest recorded for the 

 month occurred on the 25th, 74°; lowest on the 24th, 34°. The minimum 

 temperature as recorded for the month at 6:30 A. m., 43.09°; maximum 

 recorded at 2 p. m., 60.26°, and at S:30 p. m., 54.19°; light frost on the 24th. 



January, 1886. — Mean temperature, 48.18°; the highest was recorded on 

 the 27th, 66°; lowest on the 6th. 29°. Minimum for the month, recorded 

 at 6:30 a. m., was 42.18°; maximum, at 2 p. m.. 54.14°; and at 8:30 p. m., 

 48.22°. From the above comparison, last month was the coldest of the three 

 mentioned. January, 1884, was 2.15°, and January, 1885, 4.07° higher tem- 

 perature than 1886. 



On the 1st of January a cold wave passed over California and continued 

 fourteen days. During this cold spell the thermometer for each morning 

 at 6:30 a. m. was standing on the 1st, 4th, 5th, 8th, 10th, 12th, at 32°; on 

 2d, 7th, 31°; 3d, 34°; 6th, 29°; 11th, 40°. Ten of these days ice formed 

 from a sixteenth to quarter of an inch in thickness. In the orchard and 

 nursery of Gardella Bros., of Oroville, out of one thousand yearlings and 

 five hundred three-year-old Lott's seedling orange trees, not one of them w T as 

 injured by this severe test, notwithstanding every morning they were 

 heavilv coated with white frost. Mean barometer for this month was 

 30-02.50°; the extreme was, on the 2d, 30.36°; and 29.42° on the 18th. Pre- 

 vailing wind was southeast; 15 days southeast; 12 northwest; 2 west and 

 2 east; 15 days cloudy; 11 clear; 2 fair; 3 foggv- It rained on the 13th, 

 14th, 17th, 18th, 19th, 20th, 22d, 23d, 25th, 26th, and sprinkled on the 

 12th; rainfall for the month 5.17 inches. From July 1st to December 31st, 

 rainfall was 17 inches; total to February, 22.17 inches. From July 1st to 

 December 31, 1884, the rainfall was 13.73 inches, and January, 1885, 2.10 

 inches. Total last season to date, 15.83 inches. Excess of the present sea- 

 son over last, 6.34 inches. 



STORMS ON THE PACIFIC COAST OF AMERICA. 



[From the Annual Report of the Chief Signal Officer.] 



The storms of the Pacific Coast most resemble those of western Europe, 

 than the storms which frequent the eastern coast of the United States. 

 The latter move littorally, and follow a northerly and easterly course under 

 the thermo-dynamic influence of the Gulf Stream and the mechanical 

 agency of the great southwest equatorial current of aimosphere, which 

 remarkably coincides with the oceanic Gulf Stream. 

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