FROST Station : ECHO SUMMIT SIERRA SKI, CA2671 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 12 Spring: Years of missing data 24 deg = 18, 28 deg = 18, 32 deg = 18 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 12, 28 deg = 12, 32 deg = 12 Fall: Years of missing data 24 deg = 18, 28 deg = 18, 32 deg = 18 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 12, 28 deg = 12, 32 deg = 12 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | June 9 | June 15 | July 8 | | | 2 year in 10 later than-- | June 3 | June 10 | June 30 | | | 5 year in 10 later than-- | May 23 | June 1 | June 15 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 29 |September 17 |September 9 | | | 2 yr in 10 earlier than-- | October 7 |September 25 |September 16 | | | 5 yr in 10 earlier than-- | October 21 | October 10 |September 30 | | | ------------------------------------------------------------------------ FROST Station : GEORGETOWN RANGER STN, CA3384 Start yr. - 1962 End yr. - 1990 Requested years of data: 29 Available years of data: 29 Spring: Years of missing data 24 deg = 17, 28 deg = 8, 32 deg = 1 Years with no occurrence 24 deg = 1, 28 deg = 1, 32 deg = 0 Data years used 24 deg = 12, 28 deg = 21, 32 deg = 28 Fall: Years of missing data 24 deg = 12, 28 deg = 4, 32 deg = 2 Years with no occurrence 24 deg = 1, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 17, 28 deg = 25, 32 deg = 27 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | March 16 | April 24 | May 19 | | | 2 year in 10 later than-- | March 1 | April 13 | May 12 | | | 5 year in 10 later than-- | ---------- | March 18 | April 28 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 23 | October 30 | October 17 | | | 2 yr in 10 earlier than-- | December 7 | November 8 | October 25 | | | 5 yr in 10 earlier than-- | January 16 | November 26 | November 8 | | | ------------------------------------------------------------------------ FROST Station : PLACERVILLE, CA6960 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 4, 28 deg = 3, 32 deg = 3 Years with no occurrence 24 deg = 2, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 26, 28 deg = 27, 32 deg = 27 Fall: Years of missing data 24 deg = 3, 28 deg = 3, 32 deg = 3 Years with no occurrence 24 deg = 2, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 27, 28 deg = 27, 32 deg = 27 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | February 27 | April 16 | May 11 | | | 2 year in 10 later than-- | February 16 | April 6 | May 4 | | | 5 year in 10 later than-- | January 24 | March 19 | April 20 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 21 | November 6 | October 19 | | | 2 yr in 10 earlier than-- | November 30 | November 11 | October 25 | | | 5 yr in 10 earlier than-- | December 19 | November 22 | November 6 | | | ------------------------------------------------------------------------ FROST Station : PLACERVILLE IFG, CA6962 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 = 0 Years with no occurrence 24 deg = 15, 28 deg = 3, 32 deg = 0 Data years used 24 deg = 27, 28 deg = 29, 32 deg = 30 Fall: Years of missing data 24 deg = 3, 28 deg = 3, 32 deg = 2 Years with no occurrence 24 deg = 14, 28 deg = 3, 32 deg = 0 Data years used 24 deg = 27, 28 deg = 27, 32 deg = 28 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | February 12 | March 26 | May 8 | | | 2 year in 10 later than-- | January 24 | March 9 | April 29 | | | 5 year in 10 later than-- | ---------- | February 3 | April 12 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | December 11 | November 27 | November 3 | | | 2 yr in 10 earlier than-- | December 23 | December 5 | November 10 | | | 5 yr in 10 earlier than-- | ---------- | December 21 | November 25 | | | ------------------------------------------------------------------------