Commercial Agriculture Automated Weather Station Network
Daily Weather Report
Station:   Lawrence County, Southwest Center (4 miles Southwest of Mt. Vernon, MO)
4/18/2026

Max. Temp.  =  57.4 deg. F
Min. Temp.  =  39.6 deg. F
Avg. Temp.  =  48.3 deg. F

Max. Wind  =  25.1 mi/hr
Time of Max Wind  =  29 CST
Avg. Wind  =   7.7 mi/hr

Max. RH  =  92.3 %
Time of Max. RH  =  200 CST
Min. RH  =  32.5 %
Time of Min. RH  =  1800 CST

Max. Bare Soil Temp. at 2 in.  =  74.1 deg. F
Time of Max. Bare Soil Temp.  =  1500 CST
Min. Bare Soil Temp. at 2 in.  =  51.7 deg. F
Time of Min. Bare Soil Temp.  =  0 CST

Avg. Vapor Press.  =    0.7 mb
Avg. Vapor Press. Def.  =    0.5 mb

Precip.  =  0.32 in

Radiation = 22.47 MJoules/sq. meter

Potential Evapotranspiration  =  0.17 inches

Growing Degree Days (45 F) =  3.3
Growing Degree Days (50 F) =  0.0
Growing Degree Days (55 F) =  0.0
Growing Degree Days (60 F) =  0.0

Heating Degree Days (65 F) = 16.7

Cooling Degree Days (65 F) =  0.0

Maximum Livestock Heat Stress Index  =    59

Definition of Categories...
HTI < 75 ... No Stress
HTI = 75 to 78  ...  Alert
HTI = 79 to 83  ...  Dangerous
HTI = > 83  ...  Emergency

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