FROST Station : BLUE RIDGE RANGER STN, AZ0871 Start yr. - 1967 End yr. - 1990 Requested years of data: 24 Available years of data: 24 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 = 21, 28 deg = 23, 32 deg = 23 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 = 24, 28 deg = 24, 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-- | May 25 | June 11 | June 24 | | | 2 year in 10 later than-- | May 21 | June 5 | June 20 | | | 5 year in 10 later than-- | May 12 | May 25 | June 11 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 29 |September 12 | August 29 | | | 2 yr in 10 earlier than-- | October 5 |September 19 |September 5 | | | 5 yr in 10 earlier than-- | October 17 | October 1 |September 18 | | | ------------------------------------------------------------------------ FROST Station : BRIGHT ANGEL RANGER STN, AZ1001 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 = 2, 32 deg = 1 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 26, 28 deg = 28, 32 deg = 29 Fall: Years of missing data 24 deg = 3, 28 deg = 3, 32 deg = 1 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 27, 28 deg = 27, 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 29 | June 23 | July 5 | | | 2 year in 10 later than-- | May 24 | June 15 | June 29 | | | 5 year in 10 later than-- | May 14 | June 2 | June 18 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 22 |September 10 | August 26 | | | 2 yr in 10 earlier than-- |September 30 |September 17 |September 1 | | | 5 yr in 10 earlier than-- | October 17 |September 29 |September 12 | | | ------------------------------------------------------------------------ FROST Station : CAMERON 1 NNE, AZ1169 Start yr. - 1962 End yr. - 1990 Requested years of data: 29 Available years of data: 29 Spring: Years of missing data 24 deg = 5, 28 deg = 3, 32 deg = 3 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 24, 28 deg = 26, 32 deg = 26 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 = 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-- | April 20 | May 11 | May 31 | | | 2 year in 10 later than-- | April 10 | May 1 | May 20 | | | 5 year in 10 later than-- | March 21 | April 11 | April 29 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 30 | October 22 | October 9 | | | 2 yr in 10 earlier than-- | November 4 | October 27 | October 15 | | | 5 yr in 10 earlier than-- | November 14 | November 6 | October 26 | | | ------------------------------------------------------------------------ FROST Station : CHEVELON R S, AZ1574 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 = 6, 28 deg = 6, 32 deg = 4 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 24, 28 deg = 24, 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 17 | May 26 | June 14 | | | 2 year in 10 later than-- | May 11 | May 21 | June 7 | | | 5 year in 10 later than-- | April 29 | May 12 | May 25 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 10 |September 27 |September 16 | | | 2 yr in 10 earlier than-- | October 17 | October 3 |September 22 | | | 5 yr in 10 earlier than-- | October 29 | October 15 | October 4 | | | ------------------------------------------------------------------------ FROST Station : FLAGSTAFF WSO AP, AZ3010 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-- | May 28 | June 16 | June 23 | | | 2 year in 10 later than-- | May 21 | June 9 | June 19 | | | 5 year in 10 later than-- | May 8 | May 28 | June 10 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 25 |September 14 |September 7 | | | 2 yr in 10 earlier than-- | October 2 |September 21 |September 12 | | | 5 yr in 10 earlier than-- | October 17 | October 3 |September 21 | | | ------------------------------------------------------------------------ FROST Station : FORT VALLEY, AZ3160 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 = 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-- | June 24 | July 10 | July 15 | | | 2 year in 10 later than-- | June 18 | July 5 | July 10 | | | 5 year in 10 later than-- | June 6 | June 25 | July 1 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 6 | August 22 | August 9 | | | 2 yr in 10 earlier than-- |September 13 | August 29 | August 17 | | | 5 yr in 10 earlier than-- |September 28 |September 12 |September 1 | | | ------------------------------------------------------------------------ FROST Station : HAPPY JACK RANGER STN, AZ3828 Start yr. - 1969 End yr. - 1990 Requested years of data: 22 Available years of data: 22 Spring: Years of missing data 24 deg = 2, 28 deg = 1, 32 deg = 1 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 20, 28 deg = 21, 32 deg = 21 Fall: Years of missing data 24 deg = 2, 28 deg = 2, 32 deg = 0 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 20, 28 deg = 20, 32 deg = 22 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | May 28 | June 13 | June 25 | | | 2 year in 10 later than-- | May 24 | June 7 | June 19 | | | 5 year in 10 later than-- | May 15 | May 26 | June 8 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 28 |September 20 |September 8 | | | 2 yr in 10 earlier than-- | October 5 |September 26 |September 13 | | | 5 yr in 10 earlier than-- | October 18 | October 6 |September 22 | | | ------------------------------------------------------------------------ FROST Station : JACOB LAKE, AZ4418 Start yr. - 1961 End yr. - 1988 Requested years of data: 28 Available years of data: 22 Spring: Years of missing data 24 deg = 18, 28 deg = 18, 32 deg = 13 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 10, 28 deg = 10, 32 deg = 15 Fall: Years of missing data 24 deg = 13, 28 deg = 13, 32 deg = 13 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 15, 28 deg = 15, 32 deg = 15 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | May 17 | May 29 | June 18 | | | 2 year in 10 later than-- | May 12 | May 25 | June 12 | | | 5 year in 10 later than-- | May 3 | May 17 | June 1 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 23 |September 16 |September 6 | | | 2 yr in 10 earlier than-- |September 30 |September 23 |September 12 | | | 5 yr in 10 earlier than-- | October 14 | October 5 |September 24 | | | ------------------------------------------------------------------------ FROST Station : LEES FERRY, AZ4849 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 = 5, 32 deg = 5 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 23, 28 deg = 25, 32 deg = 25 Fall: Years of missing data 24 deg = 5, 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 = 26, 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 12 | April 2 | April 12 | | | 2 year in 10 later than-- | March 2 | March 22 | April 4 | | | 5 year in 10 later than-- | February 12 | March 2 | March 20 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 20 | November 12 | October 28 | | | 2 yr in 10 earlier than-- | November 27 | November 17 | November 2 | | | 5 yr in 10 earlier than-- | December 9 | November 26 | November 12 | | | ------------------------------------------------------------------------ FROST Station : PHANTOM RANCH, AZ6471 Start yr. - 1966 End yr. - 1990 Requested years of data: 25 Available years of data: 24 Spring: Years of missing data 24 deg = 8, 28 deg = 8, 32 deg = 8 Years with no occurrence 24 deg = 15, 28 deg = 8, 32 deg = 1 Data years used 24 deg = 17, 28 deg = 17, 32 deg = 17 Fall: Years of missing data 24 deg = 5, 28 deg = 5, 32 deg = 5 Years with no occurrence 24 deg = 13, 28 deg = 7, 32 deg = 1 Data years used 24 deg = 20, 28 deg = 20, 32 deg = 20 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | ---------- | February 22 | April 1 | | | 2 year in 10 later than-- | ---------- | February 3 | March 14 | | | 5 year in 10 later than-- | ---------- | ---------- | January 30 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | December 21 | December 3 | November 18 | | | 2 yr in 10 earlier than-- | January 12 | December 21 | November 27 | | | 5 yr in 10 earlier than-- | ---------- | February 19 | December 16 | | | ------------------------------------------------------------------------ FROST Station : SEDONA RANGER STN, AZ7708 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 = 2, 28 deg = 2, 32 deg = 1 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 28, 28 deg = 28, 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-- | April 7 | May 2 | May 17 | | | 2 year in 10 later than-- | March 28 | April 23 | May 9 | | | 5 year in 10 later than-- | March 7 | April 5 | April 25 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 11 | October 26 | October 7 | | | 2 yr in 10 earlier than-- | November 18 | November 1 | October 14 | | | 5 yr in 10 earlier than-- | December 1 | November 14 | October 27 | | | ------------------------------------------------------------------------ FROST Station : SUNSET CRATER NATL MONU, AZ8329 Start yr. - 1970 End yr. - 1990 Requested years of data: 21 Available years of data: 21 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 = 21, 28 deg = 21, 32 deg = 21 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 = 20, 28 deg = 20, 32 deg = 20 ------------------------------------------------------------------------ | Temperature ---------------------------|-------------------------------------------- Probability | 24F or lower | 28F or lower | 32F or lower | ---------------------------|--------------|--------------|-------------- | | | Last freezing temperature | | | in spring: | | | | | | 1 year in 10 later than-- | June 6 | June 30 | July 4 | | | 2 year in 10 later than-- | June 1 | June 24 | June 30 | | | 5 year in 10 later than-- | May 22 | June 13 | June 23 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- |September 15 | August 27 | August 16 | | | 2 yr in 10 earlier than-- |September 21 |September 3 | August 23 | | | 5 yr in 10 earlier than-- | October 1 |September 16 |September 5 | | | ------------------------------------------------------------------------ FROST Station : SUPAI, AZ8343 Start yr. - 1961 End yr. - 1987 Requested years of data: 27 Available years of data: 26 Spring: Years of missing data 24 deg = 3, 28 deg = 2, 32 deg = 2 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 Fall: Years of missing data 24 deg = 4, 28 deg = 3, 32 deg = 3 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 23, 28 deg = 24, 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-- | April 5 | April 26 | May 17 | | | 2 year in 10 later than-- | March 23 | April 11 | May 4 | | | 5 year in 10 later than-- | February 27 | March 14 | April 9 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 5 | October 24 | October 13 | | | 2 yr in 10 earlier than-- | November 15 | November 4 | October 21 | | | 5 yr in 10 earlier than-- | December 6 | November 24 | November 5 | | | ------------------------------------------------------------------------ FROST Station : WAHWEAP, AZ9114 Start yr. - 1961 End yr. - 1990 Requested years of data: 30 Available years of data: 30 Spring: Years of missing data 24 deg = 5, 28 deg = 4, 32 deg = 4 Years with no occurrence 24 deg = 2, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 25, 28 deg = 26, 32 deg = 26 Fall: Years of missing data 24 deg = 3, 28 deg = 3, 32 deg = 2 Years with no occurrence 24 deg = 0, 28 deg = 0, 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-- | March 27 | April 12 | April 29 | | | 2 year in 10 later than-- | March 14 | April 1 | April 19 | | | 5 year in 10 later than-- | February 14 | March 12 | March 31 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 14 | November 9 | October 30 | | | 2 yr in 10 earlier than-- | November 21 | November 14 | November 4 | | | 5 yr in 10 earlier than-- | December 4 | November 24 | November 12 | | | ------------------------------------------------------------------------ FROST Station : WILLIAMS, AZ9359 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 = 0 Years with no occurrence 24 deg = 0, 28 deg = 0, 32 deg = 0 Data years used 24 deg = 29, 28 deg = 29, 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-- | May 21 | May 29 | June 2 | | | 2 year in 10 later than-- | May 13 | May 23 | May 28 | | | 5 year in 10 later than-- | April 28 | May 10 | May 17 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 8 |September 29 |September 15 | | | 2 yr in 10 earlier than-- | October 16 | October 6 |September 23 | | | 5 yr in 10 earlier than-- | October 30 | October 18 | October 6 | | | ------------------------------------------------------------------------ FROST Station : WUPATKI NATL MONUMENT, AZ9542 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 20 | April 30 | May 15 | | | 2 year in 10 later than-- | April 8 | April 20 | May 7 | | | 5 year in 10 later than-- | March 16 | March 31 | April 20 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | November 2 | October 26 | October 4 | | | 2 yr in 10 earlier than-- | November 8 | October 31 | October 12 | | | 5 yr in 10 earlier than-- | November 21 | November 10 | October 29 | | | ------------------------------------------------------------------------