FROST Station : DOWNIEVILLE, CA2500 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 29 Spring: Years of missing data 24 deg = 11, 28 deg = 5, 32 deg = 5 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 19, 28 deg = 25, 32 deg = 25 Fall: Years of missing data 24 deg = 6, 28 deg = 5, 32 deg = 5 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 24, 28 deg = 25, 32 deg = 25 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | April 9 | May 10 | June 2 | | | 2 year in 10 later than-- | March 28 | May 1 | May 26 | | | 5 year in 10 later than-- | March 7 | April 15 | May 14 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 4 | October 20 |September 23 | | | 2 yr in 10 earlier than-- | November 13 | October 26 | October 1 | | | 5 yr in 10 earlier than-- | November 29 | November 6 | October 15 | | | ------------------------------------------------------------------------ FROST Station : SIERRA CITY, CA8207 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 28 Spring: Years of missing data 24 deg = 6, 28 deg = 6, 32 deg = 5 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 24, 28 deg = 24, 32 deg = 25 Fall: Years of missing data 24 deg = 5, 28 deg = 5, 32 deg = 5 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 25, 28 deg = 25, 32 deg = 25 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | April 29 | May 17 | June 14 | | | 2 year in 10 later than-- | April 16 | May 9 | June 6 | | | 5 year in 10 later than-- | March 22 | April 25 | May 23 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 3 | October 15 |September 22 | | | 2 yr in 10 earlier than-- | November 13 | October 23 |September 30 | | | 5 yr in 10 earlier than-- | December 2 | November 6 | October 16 | | | ------------------------------------------------------------------------ FROST Station : SIERRAVILLE RANGER STN, CA8218 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 3, 28 deg = 1, 32 deg = 1 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 27, 28 deg = 29, 32 deg = 29 Fall: Years of missing data 24 deg = 1, 28 deg = 1, 32 deg = 1 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 29, 28 deg = 29, 32 deg = 29 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | May 21 | June 17 | July 16 | | | 2 year in 10 later than-- | May 15 | June 9 | July 7 | | | 5 year in 10 later than-- | May 3 | May 26 | June 19 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 12 |September 3 | August 18 | | | 2 yr in 10 earlier than-- |September 19 |September 9 | August 24 | | | 5 yr in 10 earlier than-- | October 2 |September 20 |September 3 | | | ------------------------------------------------------------------------