Commercial Agriculture Automated Weather Station Network
Daily Weather Report
Station:   Audrain County, Van-Far R-I Schools (Vandalia)
9/8/2026

Max. Temp.  =  94.5 deg. F
Min. Temp.  =  65.3 deg. F
Avg. Temp.  =  79.2 deg. F

Max. Wind  =  15.5 mi/hr
Time of Max Wind  =  1251 CST
Avg. Wind  =   5.2 mi/hr

Max. RH  =  73.6 %
Time of Max. RH  =  600 CST
Min. RH  =  39.9 %
Time of Min. RH  =  1500 CST

Max. Bare Soil Temp. at 2 in.  =  94.0 deg. F
Time of Max. Bare Soil Temp.  =  1600 CST
Min. Bare Soil Temp. at 2 in.  =  73.6 deg. F
Time of Min. Bare Soil Temp.  =  700 CST

Max. Bare Soil Temp. at 4 in.  =  86.0 deg. F
Time of Max. Bare Soil Temp. at 4 in. =  1600 CST
Min. Bare Soil Temp. at 4 in.  =  75.0 deg. F
Time of Min. Bare Soil Temp. at 4 in. =  800 CST

Avg. Vapor Press.  =    1.9 mb
Avg. Vapor Press. Def.  =    1.7 mb

Precip.  =  0.00 in

Radiation = 16.35 MJoules/sq. meter

Potential Evapotranspiration  =  0.19 inches

Growing Degree Days (45 F) = 34.2
Growing Degree Days (50 F) = 29.2
Growing Degree Days (55 F) = 24.2
Growing Degree Days (60 F) = 19.2

Heating Degree Days (65 F) =  0.0

Cooling Degree Days (65 F) = 14.2

Maximum Livestock Heat Stress Index  =    86

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

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