FROST Station : BLUE, AZ0855 Start yr. - 1961 End yr. - 1989 Requested years of data: 29 Available years of data: 28 Spring: Years of missing data 24 deg = 4, 28 deg = 4, 32 deg = 3 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 25, 28 deg = 25, 32 deg = 26 Fall: Years of missing data 24 deg = 3, 28 deg = 3, 32 deg = 3 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 26, 28 deg = 26, 32 deg = 26 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | May 23 | May 27 | June 17 | | | 2 year in 10 later than-- | May 15 | May 22 | June 12 | | | 5 year in 10 later than-- | April 30 | May 13 | June 2 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 8 | October 5 |September 20 | | | 2 yr in 10 earlier than-- | October 14 | October 10 |September 25 | | | 5 yr in 10 earlier than-- | October 25 | October 20 | October 6 | | | ------------------------------------------------------------------------ FROST Station : CLIFTON, AZ1849 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 7, 28 deg = 4, 32 deg = 3 Years with no occurrence 24 deg = 4, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 23, 28 deg = 26, 32 deg = 27 Fall: Years of missing data 24 deg = 4, 28 deg = 3, 32 deg = 3 Years with no occurrence 24 deg = 4, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 26, 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 20 | March 10 | April 17 | | | 2 year in 10 later than-- | February 8 | March 1 | April 5 | | | 5 year in 10 later than-- | January 9 | February 12 | March 12 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 27 | November 15 | November 9 | | | 2 yr in 10 earlier than-- | December 6 | November 22 | November 14 | | | 5 yr in 10 earlier than-- | December 25 | December 5 | November 23 | | | ------------------------------------------------------------------------ FROST Station : DUNCAN, AZ2754 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 = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 29, 28 deg = 29, 32 deg = 29 Fall: Years of missing data 24 deg = 0, 28 deg = 0, 32 deg = 0 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 30, 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-- | April 23 | May 10 | May 19 | | | 2 year in 10 later than-- | April 15 | May 3 | May 13 | | | 5 year in 10 later than-- | March 30 | April 20 | May 1 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 27 | October 15 | October 7 | | | 2 yr in 10 earlier than-- | October 31 | October 20 | October 12 | | | 5 yr in 10 earlier than-- | November 9 | October 30 | October 21 | | | ------------------------------------------------------------------------