Commercial Agriculture Automated Weather Station Network
Daily Weather Report
Station:   Audrain County, Van-Far R-I Schools (Vandalia)
5/23/2026

Max. Temp.  =  76.8 deg. F
Min. Temp.  =  58.1 deg. F
Avg. Temp.  =  66.5 deg. F

Max. Wind  =  25.1 mi/hr
Time of Max Wind  =  1722 CST
Avg. Wind  =   3.0 mi/hr

Max. RH  =  93.8 %
Time of Max. RH  =  500 CST
Min. RH  =  60.9 %
Time of Min. RH  =  1600 CST

Max. Bare Soil Temp. at 2 in.  =  78.5 deg. F
Time of Max. Bare Soil Temp.  =  1500 CST
Min. Bare Soil Temp. at 2 in.  =  62.9 deg. F
Time of Min. Bare Soil Temp.  =  500 CST

Max. Bare Soil Temp. at 4 in.  =  71.1 deg. F
Time of Max. Bare Soil Temp. at 4 in. =  1600 CST
Min. Bare Soil Temp. at 4 in.  =  63.5 deg. F
Time of Min. Bare Soil Temp. at 4 in. =  700 CST

Avg. Vapor Press.  =    1.8 mb
Avg. Vapor Press. Def.  =    0.5 mb

Precip.  =  0.16 in

Radiation = 18.24 MJoules/sq. meter

Potential Evapotranspiration  =  0.14 inches

Growing Degree Days (45 F) = 21.5
Growing Degree Days (50 F) = 16.5
Growing Degree Days (55 F) = 11.5
Growing Degree Days (60 F) =  6.5

Heating Degree Days (65 F) =  0.0

Cooling Degree Days (65 F) =  1.5

Maximum Livestock Heat Stress Index  =    73

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

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