Commercial Agriculture Automated Weather Station Network
Daily Weather Report
Station:   Audrain County, Van-Far R-I Schools (Vandalia)
8/30/2025

Max. Temp.  =  85.0 deg. F
Min. Temp.  =  62.6 deg. F
Avg. Temp.  =  72.2 deg. F

Max. Wind  =  15.5 mi/hr
Time of Max Wind  =  1550 CST
Avg. Wind  =   4.1 mi/hr

Max. RH  =  90.6 %
Time of Max. RH  =  400 CST
Min. RH  =  37.4 %
Time of Min. RH  =  1400 CST

Max. Bare Soil Temp. at 2 in.  =  92.0 deg. F
Time of Max. Bare Soil Temp.  =  1600 CST
Min. Bare Soil Temp. at 2 in.  =  69.8 deg. F
Time of Min. Bare Soil Temp.  =  700 CST

Max. Bare Soil Temp. at 4 in.  =  87.9 deg. F
Time of Max. Bare Soil Temp. at 4 in. =  1600 CST
Min. Bare Soil Temp. at 4 in.  =  70.9 deg. F
Time of Min. Bare Soil Temp. at 4 in. =  800 CST

Avg. Vapor Press.  =    1.8 mb
Avg. Vapor Press. Def.  =    1.0 mb

Precip.  =  0.00 in

Radiation = 16.83 MJoules/sq. meter

Potential Evapotranspiration  =  0.15 inches

Growing Degree Days (45 F) = 27.2
Growing Degree Days (50 F) = 22.2
Growing Degree Days (55 F) = 17.2
Growing Degree Days (60 F) = 12.2

Heating Degree Days (65 F) =  0.0

Cooling Degree Days (65 F) =  7.2

Maximum Livestock Heat Stress Index  =    79

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

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