Commercial Agriculture Automated Weather Station Network
Daily Weather Report
Station:   Audrain County, Van-Far R-I Schools (Vandalia)
8/7/2026

Max. Temp.  =  85.7 deg. F
Min. Temp.  =  64.5 deg. F
Avg. Temp.  =  74.6 deg. F

Max. Wind  =  13.3 mi/hr
Time of Max Wind  =  1714 CST
Avg. Wind  =   2.8 mi/hr

Max. RH  =  99.3 %
Time of Max. RH  =  800 CST
Min. RH  =  61.3 %
Time of Min. RH  =  1600 CST

Max. Bare Soil Temp. at 2 in.  =  88.6 deg. F
Time of Max. Bare Soil Temp.  =  1400 CST
Min. Bare Soil Temp. at 2 in.  =  68.7 deg. F
Time of Min. Bare Soil Temp.  =  600 CST

Max. Bare Soil Temp. at 4 in.  =  82.5 deg. F
Time of Max. Bare Soil Temp. at 4 in. =  1600 CST
Min. Bare Soil Temp. at 4 in.  =  70.6 deg. F
Time of Min. Bare Soil Temp. at 4 in. =  700 CST

Avg. Vapor Press.  =    2.4 mb
Avg. Vapor Press. Def.  =    0.6 mb

Precip.  =  0.01 in

Radiation = 21.27 MJoules/sq. meter

Potential Evapotranspiration  =  0.17 inches

Growing Degree Days (45 F) = 29.6
Growing Degree Days (50 F) = 24.6
Growing Degree Days (55 F) = 19.6
Growing Degree Days (60 F) = 14.6

Heating Degree Days (65 F) =  0.0

Cooling Degree Days (65 F) =  9.6

Maximum Livestock Heat Stress Index  =    80

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

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