Winter Kill Possible < -6.67

Soil Frozen -6.67 to 0.56

Lawn Growth Ceased 0.56 to 4.44

Root Growth Only 4.44 to 10

Optimal Root Growth 10 to 18.33

Optimal Shoot Growth 18.33 to 23.89

Shoot Growth Only 23.89 to 32.22

Lawn Growth Ceased 32.22 (+)

Soil Moisture Centibar (Ranges)

Saturated ( 0 - 10 cb )

Adequate ( 11 - 25 cb )

Irrigation Desired ( 26 - 60 cb )

Irrigation Needed ( 61 - 100 cb )

Dangerously Dry ( 101 (+) cb )