FROST Station : AJO, AZ0080 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 = 6, 32 deg = 6 Years with no occurrence 24 deg = 21, 28 deg = 11, 32 deg = 6 Data years used 24 deg = 24, 28 deg = 24, 32 deg = 24 Fall: Years of missing data 24 deg = 7, 28 deg = 7, 32 deg = 7 Years with no occurrence 24 deg = 20, 28 deg = 11, 32 deg = 6 Data years used 24 deg = 23, 28 deg = 23, 32 deg = 23 ------------------------------------------------------------------------ | 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 19 | | | 2 year in 10 later than-- | ---------- | January 15 | February 5 | | | 5 year in 10 later than-- | ---------- | ---------- | December 29 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | ---------- | December 20 | December 4 | | | 2 yr in 10 earlier than-- | ---------- | January 3 | December 15 | | | 5 yr in 10 earlier than-- | ---------- | ---------- | January 15 | | | ------------------------------------------------------------------------ FROST Station : ANVIL RANCH, AZ0287 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 13, 28 deg = 10, 32 deg = 8 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 17, 28 deg = 20, 32 deg = 22 Fall: Years of missing data 24 deg = 5, 28 deg = 4, 32 deg = 2 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 25, 28 deg = 26, 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-- | March 22 | April 12 | April 28 | | | 2 year in 10 later than-- | March 12 | April 1 | April 20 | | | 5 year in 10 later than-- | February 21 | March 12 | April 4 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 10 | November 5 | October 25 | | | 2 yr in 10 earlier than-- | November 17 | November 11 | October 29 | | | 5 yr in 10 earlier than-- | December 1 | November 22 | November 7 | | | ------------------------------------------------------------------------ FROST Station : KITT PEAK, AZ4675 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: 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 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 28 | May 1 | May 17 | | | 2 year in 10 later than-- | April 16 | April 24 | May 11 | | | 5 year in 10 later than-- | March 23 | April 10 | April 28 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 5 | October 30 | October 21 | | | 2 yr in 10 earlier than-- | November 13 | November 4 | October 27 | | | 5 yr in 10 earlier than-- | November 29 | November 14 | November 7 | | | ------------------------------------------------------------------------ FROST Station : MOUNT LEMMON, AZ5732 Start yr. - 1961 End yr. - 1986 Requested years of data: 26 Available years of data: 7 Spring: Years of missing data 24 deg = 21, 28 deg = 21, 32 deg = 20 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 5, 28 deg = 5, 32 deg = 6 Fall: Years of missing data 24 deg = 20, 28 deg = 20, 32 deg = 20 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 6, 28 deg = 6, 32 deg = 6 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | May 4 | May 27 | June 3 | | | 2 year in 10 later than-- | April 27 | May 20 | May 29 | | | 5 year in 10 later than-- | April 14 | May 8 | May 19 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 16 | October 5 |September 27 | | | 2 yr in 10 earlier than-- | October 24 | October 12 | October 2 | | | 5 yr in 10 earlier than-- | November 9 | October 24 | October 11 | | | ------------------------------------------------------------------------ FROST Station : ORGAN PIPE CACTUS N M, AZ6132 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 = 0, 32 deg = 0 Years with no occurrence 24 deg = 9, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 29, 28 deg = 30, 32 deg = 30 Fall: Years of missing data 24 deg = 1, 28 deg = 1, 32 deg = 1 Years with no occurrence 24 deg = 10, 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-- | February 4 | February 26 | April 3 | | | 2 year in 10 later than-- | January 22 | February 15 | March 24 | | | 5 year in 10 later than-- | December 24 | January 26 | March 4 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | December 8 | November 28 | November 16 | | | 2 yr in 10 earlier than-- | December 19 | December 7 | November 23 | | | 5 yr in 10 earlier than-- | January 14 | December 24 | December 6 | | | ------------------------------------------------------------------------ FROST Station : SANTA RITA EXP RANGE, AZ7593 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 8, 28 deg = 5, 32 deg = 4 Years with no occurrence 24 deg = 4, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 22, 28 deg = 25, 32 deg = 26 Fall: Years of missing data 24 deg = 7, 28 deg = 6, 32 deg = 5 Years with no occurrence 24 deg = 4, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 23, 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-- | March 1 | March 30 | April 21 | | | 2 year in 10 later than-- | February 12 | March 16 | April 11 | | | 5 year in 10 later than-- | December 27 | February 19 | March 23 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 29 | November 13 | October 30 | | | 2 yr in 10 earlier than-- | December 12 | November 22 | November 7 | | | 5 yr in 10 earlier than-- | January 13 | December 8 | November 21 | | | ------------------------------------------------------------------------ FROST Station : TUCSON CAMP AVE EXP FM, AZ8796 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 = 4, 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 = 1, 28 deg = 1, 32 deg = 1 Years with no occurrence 24 deg = 4, 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-- | March 6 | March 25 | April 21 | | | 2 year in 10 later than-- | February 23 | March 15 | April 12 | | | 5 year in 10 later than-- | January 29 | February 23 | March 26 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 23 | November 7 | November 2 | | | 2 yr in 10 earlier than-- | December 3 | November 15 | November 7 | | | 5 yr in 10 earlier than-- | December 23 | November 30 | November 16 | | | ------------------------------------------------------------------------ FROST Station : TUCSON MAGNETIC OBSY, AZ8800 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 0, 28 deg = 0, 32 deg = 0 Years with no occurrence 24 deg = 2, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 30, 28 deg = 30, 32 deg = 30 Fall: Years of missing data 24 deg = 0, 28 deg = 0, 32 deg = 0 Years with no occurrence 24 deg = 2, 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-- | March 6 | March 24 | April 22 | | | 2 year in 10 later than-- | February 21 | March 14 | April 12 | | | 5 year in 10 later than-- | January 24 | February 24 | March 24 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 27 | November 14 | November 6 | | | 2 yr in 10 earlier than-- | December 7 | November 20 | November 10 | | | 5 yr in 10 earlier than-- | December 26 | November 30 | November 18 | | | ------------------------------------------------------------------------ FROST Station : TUCSON UNIV OF ARIZONA, AZ8815 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 = 0, 32 deg = 0 Years with no occurrence 24 deg = 19, 28 deg = 10, 32 deg = 2 Data years used 24 deg = 29, 28 deg = 30, 32 deg = 30 Fall: Years of missing data 24 deg = 2, 28 deg = 1, 32 deg = 1 Years with no occurrence 24 deg = 20, 28 deg = 10, 32 deg = 2 Data years used 24 deg = 28, 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-- | February 3 | March 1 | March 16 | | | 2 year in 10 later than-- | January 8 | February 14 | March 1 | | | 5 year in 10 later than-- | ---------- | January 6 | February 2 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | December 24 | December 5 | November 15 | | | 2 yr in 10 earlier than-- | January 6 | December 17 | November 24 | | | 5 yr in 10 earlier than-- | ---------- | January 14 | December 11 | | | ------------------------------------------------------------------------ FROST Station : TUCSON WSO AP, AZ8820 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 0, 28 deg = 0, 32 deg = 0 Years with no occurrence 24 deg = 10, 28 deg = 2, 32 deg = 0 Data years used 24 deg = 30, 28 deg = 30, 32 deg = 30 Fall: Years of missing data 24 deg = 0, 28 deg = 0, 32 deg = 0 Years with no occurrence 24 deg = 10, 28 deg = 2, 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-- | February 16 | March 5 | March 21 | | | 2 year in 10 later than-- | January 31 | February 20 | March 12 | | | 5 year in 10 later than-- | December 26 | January 24 | February 24 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | December 12 | November 26 | November 9 | | | 2 yr in 10 earlier than-- | December 24 | December 5 | November 16 | | | 5 yr in 10 earlier than-- | January 23 | December 23 | November 29 | | | ------------------------------------------------------------------------