FROST Station : ANGWIN PAC UNION COL, CA0212 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 6, 28 deg = 3, 32 deg = 0 Years with no occurrence 24 deg = 12, 28 deg = 1, 32 deg = 0 Data years used 24 deg = 24, 28 deg = 27, 32 deg = 30 Fall: Years of missing data 24 deg = 7, 28 deg = 7, 32 deg = 6 Years with no occurrence 24 deg = 11, 28 deg = 1, 32 deg = 0 Data years used 24 deg = 23, 28 deg = 23, 32 deg = 24 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | February 18 | April 25 | May 21 | | | 2 year in 10 later than-- | January 24 | April 6 | May 11 | | | 5 year in 10 later than-- | ---------- | March 1 | April 23 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | December 14 | November 9 | October 24 | | | 2 yr in 10 earlier than-- | January 4 | December 1 | November 4 | | | 5 yr in 10 earlier than-- | ---------- | January 15 | November 26 | | | ------------------------------------------------------------------------ FROST Station : CALISTOGA, CA1312 Start yr. - 1963 End yr. - 1990 Requested years of data: 28 Available years of data: 15 Spring: Years of missing data 24 deg = 19, 28 deg = 19, 32 deg = 18 Years with no occurrence 24 deg = 6, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 9, 28 deg = 9, 32 deg = 10 Fall: Years of missing data 24 deg = 18, 28 deg = 18, 32 deg = 18 Years with no occurrence 24 deg = 5, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 10, 28 deg = 10, 32 deg = 10 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | February 23 | March 20 | May 5 | | | 2 year in 10 later than-- | ---------- | March 9 | April 23 | | | 5 year in 10 later than-- | ---------- | February 17 | March 31 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | December 16 | November 14 | October 26 | | | 2 yr in 10 earlier than-- | January 24 | November 24 | November 3 | | | 5 yr in 10 earlier than-- | ---------- | December 13 | November 17 | | | ------------------------------------------------------------------------ FROST Station : MARKLEY COVE, CA5360 Start yr. - 1970 End yr. - 1990 Requested years of data: 21 Available years of data: 21 Spring: Years of missing data 24 deg = 1, 28 deg = 1, 32 deg = 0 Years with no occurrence 24 deg = 13, 28 deg = 2, 32 deg = 0 Data years used 24 deg = 20, 28 deg = 20, 32 deg = 21 Fall: Years of missing data 24 deg = 0, 28 deg = 0, 32 deg = 0 Years with no occurrence 24 deg = 12, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 21, 28 deg = 21, 32 deg = 21 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | February 3 | February 21 | April 17 | | | 2 year in 10 later than-- | January 21 | February 13 | April 5 | | | 5 year in 10 later than-- | ---------- | January 28 | March 14 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | December 20 | November 20 | November 9 | | | 2 yr in 10 earlier than-- | January 6 | November 28 | November 16 | | | 5 yr in 10 earlier than-- | ---------- | December 14 | November 29 | | | ------------------------------------------------------------------------ FROST Station : NAPA STATE HOSPITAL, CA6074 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 1, 28 deg = 1, 32 deg = 1 Years with no occurrence 24 deg = 24, 28 deg = 6, 32 deg = 0 Data years used 24 deg = 29, 28 deg = 29, 32 deg = 29 Fall: Years of missing data 24 deg = 1, 28 deg = 0, 32 deg = 0 Years with no occurrence 24 deg = 24, 28 deg = 6, 32 deg = 0 Data years used 24 deg = 29, 28 deg = 30, 32 deg = 30 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | December 26 | February 19 | April 23 | | | 2 year in 10 later than-- | ---------- | February 6 | April 7 | | | 5 year in 10 later than-- | ---------- | January 8 | March 8 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | December 28 | November 23 | November 7 | | | 2 yr in 10 earlier than-- | ---------- | December 5 | November 15 | | | 5 yr in 10 earlier than-- | ---------- | December 30 | November 30 | | | ------------------------------------------------------------------------ FROST Station : SAINT HELENA, CA7643 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 9, 28 deg = 9, 32 deg = 8 Years with no occurrence 24 deg = 6, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 21, 28 deg = 21, 32 deg = 22 Fall: Years of missing data 24 deg = 8, 28 deg = 6, 32 deg = 5 Years with no occurrence 24 deg = 6, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 22, 28 deg = 24, 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-- | February 8 | March 20 | May 2 | | | 2 year in 10 later than-- | January 27 | March 6 | April 19 | | | 5 year in 10 later than-- | ---------- | February 8 | March 26 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | December 3 | November 14 | October 15 | | | 2 yr in 10 earlier than-- | December 20 | November 22 | October 27 | | | 5 yr in 10 earlier than-- | February 10 | December 8 | November 18 | | | ------------------------------------------------------------------------