THE RUSSIAN FUR-SEAL ISLANDS. 



13 



The barometer cistern was 20 feet above sea level. 



The thermometers were hung iu a large lattice box on the north side of my house, 

 the box covering the window; and the instruments were read through the latter from 

 the inside. 



The rain-gauge' had to be located very high (9 feet) and in an exposed place to 

 keep it from the marauding sledgedogs. This instrnment was not satisfactory in a 

 high wind. The wind in blowing across the mouth of the funnel would actually suck 

 the air out of the hitter, thus preventing the rain or snow from entering. Many a 

 time after a considerable rain I have found the rain-gauge dry inside. The actual 

 amount of precipitation is therefore greater than shown in the table given below, 

 though the figures in the latter may serve for comparison with those from similar 

 localities in the United States, particularly on the Pribylof Islands and in Alaska, 

 where the same kind of rain-gauge was in use. 



The following tables I have transcribed directly from the original records. The 

 monthly means are those of the means of the three daily observations. The method 

 of observing, correcting, and tabulating is that in vogue in the Signal Service, 

 and the figures are strictly comparable with those of the other stations of the same 

 Service. 



Monthly means of Meteorolofiic Ohserrations made hi/ Leonhard Stejneger and George Chernick at Nikolski, 

 Jierhif) Istnvd, from May, 1SS2, to April, ISSG, inclusive. 



MEAN MONTHLY BAKOMETEK. 



[Corrected for temper.atur 



nil instrumi^ntal error only. Elevation of barometer, 20 feet above sea level. Contr. 

 gravity, -1- 0.030.] 



* Means of 10 observations. 



MEAN TEMPERATTTEE. 



i ohtainod by adding together tbe observations made at 7.12 a. i 

 p. m., local time, and dividing l)y 3.] 



Annual means: J883, 35.5; 1884, 35.9; 1885, 34.7. 

 *Mean of 10 abserv.ation3, May 22 to 31, not included in the means. 



' Report Chief Sig. Off. 1887, ir, p. 382, pi. xxxvr, fig. 97. 



