Commercial Agriculture Automated Weather Station Network
Daily Weather Report
Station:   Audrain County, Van-Far R-I Schools (Vandalia)
7/31/2025

Max. Temp.  =  76.5 deg. F
Min. Temp.  =  63.9 deg. F
Avg. Temp.  =  70.3 deg. F

Max. Wind  =  19.5 mi/hr
Time of Max Wind  =  1445 CST
Avg. Wind  =   7.6 mi/hr

Max. RH  =  95.7 %
Time of Max. RH  =  700 CST
Min. RH  =  66.4 %
Time of Min. RH  =  1700 CST

Max. Bare Soil Temp. at 2 in.  =  81.4 deg. F
Time of Max. Bare Soil Temp.  =  1700 CST
Min. Bare Soil Temp. at 2 in.  =  74.3 deg. F
Time of Min. Bare Soil Temp.  =  0 CST

Max. Bare Soil Temp. at 4 in.  =  79.0 deg. F
Time of Max. Bare Soil Temp. at 4 in. =  1700 CST
Min. Bare Soil Temp. at 4 in.  =  75.4 deg. F
Time of Min. Bare Soil Temp. at 4 in. =  0 CST

Avg. Vapor Press.  =    2.1 mb
Avg. Vapor Press. Def.  =    0.4 mb

Precip.  =  0.00 in

Radiation = 11.79 MJoules/sq. meter

Potential Evapotranspiration  =  0.10 inches

Growing Degree Days (45 F) = 25.3
Growing Degree Days (50 F) = 20.3
Growing Degree Days (55 F) = 15.3
Growing Degree Days (60 F) = 10.3

Heating Degree Days (65 F) =  0.0

Cooling Degree Days (65 F) =  5.3

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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