Climatic Conditions in Oregon. 87 



typical of only that portion of the county which is close to the Columbia 

 river. The elevation is 237 feet; annual temperature, 56.1 degrees; that 

 of January, 36 degrees; April, 55.7; July, 78.3; October, 57.3; annual 

 period between frosts, 224 days; annual rainfall, 9.48 inches. Condon, 

 the county seat, at an elevation of 2,884 feet, is more typical of the 

 county as a whole. The annual temperature is 47.1 degrees; January, 

 24.4; April, 45.3; July, 66.3; October, 46; annual rainfall, 11:98 inches. 



GRANT COUNTY. 



Grant County is in the north central portion of the State and is one 

 of the very large counties. Dayville, in the western part of the county, 

 in the Valley of the John Day River is at an elevation of 2,200 feet. 

 The annual temperature is 50.8 degrees; January, 35.1; April, 50; 

 July, 68.9; October, 51.4. At Canyon City the annual temperature is 

 51 degrees; January, 34.9; April, 49.1; July, 69.4; October, 52.8; 

 average length of time between killing frosts, 140 days; annual rainfall, 

 17.23 inches. 



HARNEY COUNTY. 



Harney is an immense county in the southeastern part of the State. 

 Burns, the county seat, is in the north central portion of the county, 

 at an elevation of 4,157 feet. The annual temperature is 43.7 degrees; 

 January, 23.3; April, 43.4; July, 65.8; October, 45.6; average length 

 of season between killing frosts, 62 days; annual rainfall, 10.87 inches. 

 Happy Valley, at an elevation of 4,200 feet has an annual temperature 

 of 44.9 degrees and an annual rainfall of 13.73 inches. 



HOOD RIVER COUNTY. 



Hood River County includes mainly the territory drained by the 

 Hood River. It is a comparatively small county in the eastern slope 

 of the Cascade Mountains. The Station at Hood River is at an elevation 

 of 300 feet, but the greater part of the arable land of the county lies 

 between 500 and 1,500 feet elevation. The annual temperature at Hood 

 River is 50 degrees; January, 33.3; April, 49.5; July, 67.3; October, 

 51.7; annual rainfall, 36.11 inches. At Mountain Park for the year 

 1910 the temperature was 47.8 degrees; January, 27.6; April, 50.2; 

 July, 66.7; October, 44; annual rainfall, 65.23 inches. The elevation 

 of Mountain Park is 1,440 feet. The rainfall for 1910 was probably 

 unusually large. 



JACKSON COUNTY. 



Jackson County is on the southern boundary of the State, and lies 

 in the basin of the Valley of Rogue River. At Jacksonville the elevation 

 is 1,640 feet; annual temperature, 52.6 degrees; the annual rainfall, 27.9 

 inches. At Ashland on the northern slope of the Siskiyou Mountains, 

 the annual temperature is 52.6 degrees; January, 38.5; April, 49.8; 

 July, 69.8; October, 53.9; length of season between killing frosts, 177 

 days; annual rainfall, 20 inches; elevation, 1,963 feet. 



JOSEPHINE COUNTY. 



Josephine County is also situated in the Rogue River Valley on the 

 southern boundary of the State, and is immediately west of Jackson 

 County. Grants Pass, the county seat, is at an elevation of 956 feet; 

 its annual rainfall is 33.41 inches; annual temperature, 52.9 degrees; 

 January, 38.7; April, 51.1; July, 69.6; October, 53.9. 



