Frost Depth Readings | Southwest Research And Outreach Center

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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.

2025-2026

DateFrost depth under bare groundFrost depth under sod
November 3, 20250"0"
November 10, 20251"0"
November 17, 20250"0"
November 25, 20250"0"
December 1, 20255"0"
December 8, 20259"0"
December 15, 202515"0"
December 22, 202516"0"
December 29, 202516"0"
January 5, 202617"0"
January 12, 202617"0"
January 20, 202619"4"
January 26, 202624"7"
February 2, 202629"11"
February 9, 202630"11"

2024-2025

DateFrost depth under bare groundFrost depth under sod
Nov. 4, 20240"0"
Nov. 11, 20240"0"
Nov. 18, 20240"0"
Nov. 25, 20240"0"
Dec. 2, 20248"0"
Dec. 920249"0"
Dec. 16, 202412"2"
Dec. 23, 202413"3"
Dec. 30, 202413"0"
Jan. 6, 202514"5"
Jan. 13, 202519"8"
Jan. 20, 202526"13"
Jan. 27, 202530"16"
Feb. 3, 202531"17"
Feb. 10, 202531"18"
Feb. 17, 202534"19"
Feb. 24, 202538"20"
March 3, 202538"20"
March 10, 202538", 8" surface thaw19", 2" surface frost thaw
March 17, 202536", 7" surface thaw19"
March 24, 202534" 9" surface thaw17"
March 31, 202532" 20" surface thaw0"
April 7, 20250"0"

2023-2024

DateFrost depth under bare groundFrost depth under sod
Oct. 30, 20230"0"
Nov. 6, 20230"0"
Nov. 13, 20230"0"
Nov. 20, 20230"0"
Nov. 27, 20232"0"
Dec. 4, 20234"0"
Dec. 11, 20231"0"
Dec. 18, 20230"0"
Dec. 25, 20230"0"
Jan. 2, 20241"0"
Jan. 8, 20244"0"
Jan. 16, 202415"2"
Jan. 22, 202421"5"
Jan. 29, 202421"4"
Feb. 5, 202420" with 5" of surface thaw0"
Feb. 12, 202419" with 10" of surface thaw0"
Feb. 19, 202419"0"
Feb. 26, 20240"0"
March 4, 20240"0"
March 11,20240"0"
March 18,20240"0"
March 25, 20240"0"
April 1, 20240"0"

2022-2023

DateFrost depth under bare groundFrost depth under sod
Nov. 7, 20220"0"
Nov. 14, 20220"0"
Nov. 21, 20226"0"
Nov. 28, 20221"0"
Dec. 5, 202210"0"
Dec. 12, 202214"0"
Dec. 19, 202214"0"
Dec. 27, 202222"0"
Jan. 3, 202322"0"
Jan. 9, 202324"0"
Jan.17, 202324"0"
Jan. 23, 202322"0"
Jan. 30, 202322"0"
Feb. 6, 202324"0"
Feb.13, 202326"0"
Feb. 20, 202326"0"
Feb. 27, 202327"0"
March 6, 202327"0"
March 13, 202327"0"
March 20, 202327"0"
March 27, 202326"0"
April 3, 2023No read, Frozen in ground0"
April 10, 202313"0"

2021-2022

DateFrost depth under bare groundFrost depth under sod
Nov. 1, 20210"0"
Nov. 8, 20210"0"
Nov. 15, 20210"0"
Nov. 22, 20210"0"
Nov. 29, 20210"0"
Dec. 6, 20211"0"
Dec. 13, 20215"0"
Dec. 20, 20218"0"
Dec. 27, 202111"0"
Jan. 3, 202221"6"
Jan. 10, 202225"9"
Jan. 17, 202227"11"
Jan. 24, 202228"12"
Jan. 31, 202231"13"
Feb. 7, 202233"13"
Feb. 14, 202234"14"
Feb. 21, 202236"14"
Feb. 28, 202238"14"
March 7, 202239"14"
March 14, 202239" , 2" of surface thawtube froze in ground
March 21, 202239", 11" of surface thaw14", 6" of surface thaw of frost
March 28, 202239"4" of frost
April 4, 202238", 16" of surface thaw0" of frost
April 11, 202237", 19" of surface thaw0" of frost
April 18, 202236", 19" of surface thaw0" of frost
April 25, 202236", 24" of surface thaw0" of frost
May 2, 20220"0"

2020-2021

DateFrost depth under bare groundFrost depth under sod
Nov. 2, 20200"0"
Nov. 9, 20200"0"
Nov. 16, 20201"0"
Nov. 23, 20201"0"
Nov. 30, 20201"0"
Dec. 7, 20201"0"
Dec. 14, 20202"0"
Dec. 21, 20206"2"
Dec. 28, 202010"3"
Jan. 4, 202113"3"
Jan. 11, 202114"0"
Jan. 19, 202114"0"
Jan 25, 202116"0"
Feb. 1, 202118"0"
Feb. 8, 202119"0"
Feb. 15, 202126"3"
Feb. 22, 202131"5"
Mar. 1, 202131"5"
Mar. 8, 20210-9" no frost | 9-30" frost0"
Mar. 15, 20210-11" no frost | 11-29" frost0"
Mar. 22, 20210-13" no frost | 13-28" frost0"
Mar. 29, 20210"0"
Apr. 5, 20210"0"

2019-2020

DateFrost Depth Under Bare GroundFrost Depth Under Sod
March 2, 202028"0"
February 24, 202028"0"
February 17, 202026"0"
February 10, 202025"2"
February 3, 202024"0"
January 27, 202024"0"
January 20, 202021"0"
January 13, 202017"3"
January 6, 202015"0"
December 30, 201915"0"
December 24, 201914"0"
December 16, 201914"0"
December 9, 20195"0"
December 2, 20191"0"
November 25, 20190"0"

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