With all the talk of the deep frost this winter i thought i would calculate the estimated frost depth from the last two winters. The soil temperature was collected in the same area both winters. Here is some charts that i came up with.

(harlans n o t 2012-2014 1.jpg)

(harlans n o t 2012-2014 2.jpg)

(harlans n o t 2012-2014 3.jpg)

(harlans n o t 2012-2014 4.jpg)

(harlans n o t 2012-2014 5.jpg)

harlans n o t 2012-2014 1.jpg (35KB - 112 downloads)

harlans n o t 2012-2014 2.jpg (30KB - 125 downloads)

harlans n o t 2012-2014 3.jpg (31KB - 134 downloads)

harlans n o t 2012-2014 4.jpg (34KB - 108 downloads)

harlans n o t 2012-2014 5.jpg (35KB - 132 downloads)