Frost Depth Readings

The SWROC has two frost tubes which will be read weekly (usually on Mondays) throughout the winter season. One tube is located under bare ground and the other is located under sod.

Date Frost Depth Under Bare Ground Frost Depth Under Sod
December 2, 2019 1" 0"
November 25, 2019 0" 0"

2018-2019 Frost Depths

Date Frost Depth Under Bare Ground Frost Depth Under Sod
April 8, 2019 0" 0"
April 1, 2019 surface 0-7" unfrozen; 7-12" frost 0"
March 27, 2019 surface 0-7" unfrozen; 7-17" frost 0"
March 18, 2019 18" 0"
March 11, 2019 18" 0"
March 4, 2019 18" 0"
February 26, 2019 18" 0"
February 18, 2019 18" 0"
February 11, 2019 17" 0"
February 4, 2019 15" 0"
January 28, 2019 12" 0"
January 22, 2019 11" 0"
January 14, 2019 9" 0"
January 7, 2019 6" 0"
December 31, 2018 6" 0"
December 26, 2018 6" 0"
December 17, 2018 5" 0"
December 10, 2018 6" 0"
December 3, 2018 6" 0"
November 26, 2018 4" 0"
November 19, 2018 4" 0"
November 12, 2018 2" 0"

2017-2018 Frost Depths

Date Frost Depth Under Bare Ground Frost Depth Under Sod
May 1, 2018 0" 0"
April 23, 2018 0-12" no frost; 12-22" still frost 0"
April 16, 2018 27" 2"
April 9, 2018 28" 5"
April 2, 2018 29" 7"
March 26, 2018 29" 9"
March 19, 2018 30" 10"
March 12, 2018 30" 11"
March 5, 2018 31" 12"
February 26, 2018 31" 12"
February 19, 2018 30" 12"
February 12, 2018 26" 13"
February 5, 2018 25" 13"
January 29, 2018 25" 14"
January 23, 2018 25" 14"
January 16, 2018 23" 13"
January 8, 2018 22" 11"
January 2, 2018 18" 10"
December 27, 2017 12" 6"
December 18, 2017 6" 0"
December 11, 2017 5" 0"
December 4, 2017 0" 0"
November 27, 2017 0" 0"
November 20, 2017 0" 0"
November 13, 2017 3" 0"