FROST Station : LITTLE PORT WALTER, AK5519 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 = 1, 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 = 1, 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 25 | May 8 | June 1 | | | 2 year in 10 later than-- | April 6 | April 23 | May 23 | | | 5 year in 10 later than-- | March 1 | March 27 | May 6 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 25 | October 20 | October 1 | | | 2 yr in 10 earlier than-- | November 6 | October 29 | October 9 | | | 5 yr in 10 earlier than-- | November 29 | November 15 | October 24 | | | ------------------------------------------------------------------------ FROST Station : SITKA FAA JAPONSKI AP, AK8494 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 = 2, 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 = 1, 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 19 | May 6 | May 20 | | | 2 year in 10 later than-- | April 2 | April 21 | May 10 | | | 5 year in 10 later than-- | March 1 | March 23 | April 22 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 23 | October 19 | October 10 | | | 2 yr in 10 earlier than-- | November 3 | October 29 | October 18 | | | 5 yr in 10 earlier than-- | November 26 | November 17 | November 2 | | | ------------------------------------------------------------------------ FROST Station : SITKA MAGNETIC OBSY, AK8503 Start yr. - 1961 End yr. - 1989 Requested years of data: 29 Available years of data: 29 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 = 28, 28 deg = 28, 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 = 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-- | May 9 | May 21 | June 9 | | | 2 year in 10 later than-- | April 23 | May 11 | June 2 | | | 5 year in 10 later than-- | March 24 | April 22 | May 18 | | | First freezing temperature | | | in fall: | | | | | | 1 yr in 10 earlier than-- | October 19 | October 6 |September 17 | | | 2 yr in 10 earlier than-- | October 30 | October 16 |September 24 | | | 5 yr in 10 earlier than-- | November 20 | November 3 | October 8 | | | ------------------------------------------------------------------------