Prairie Fork Conservation Area / Missouri Department of Conservation
Daily Weather Report
Station:   Callaway County, 2 miles southwest of Williamsburg
9/2/2025

Max. Temp.  =  79.7 deg. F
Min. Temp.  =  57.6 deg. F
Avg. Temp.  =  67.0 deg. F

Max. Wind  =   8.8 mi/hr
Time of Max Wind  =  615 CST
Avg. Wind  =   1.1 mi/hr

Max. RH  =  89.2 %
Time of Max. RH  =  900 CST
Min. RH  =  47.9 %
Time of Min. RH  =  1700 CST

Max. Fuel Moisture  =  100.0 %
Time of Max. Fuel Moisture  =  2338 CST
Min. Fuel Moisture  =  13.6 %
Time of Min. Fuel Moisture  =  17 CST

Max. Bare Soil Temp. at 2 in.  =  79.6 deg. F
Time of Max. Bare Soil Temp.  =  1500 CST
Min. Bare Soil Temp. at 2 in.  =  66.6 deg. F
Time of Min. Bare Soil Temp. at 2 in. =  0 CST

Max. Bare Soil Temp. at 4 in.  =  80.8 deg. F
Time of Max. Bare Soil Temp. at 4 in. =  1500 CST
Min. Bare Soil Temp. at 4 in.  =  67.5 deg. F
Time of Min. Bare Soil Temp. at 4 in. =  0 CST

Avg. Vapor Press.  =    1.6 mb
Avg. Vapor Press. Def.  =    0.7 mb

Precip.  =  0.06 in

Radiation = 14.10 MJoules/sq. meter

Potential Evapotranspiration  =  0.13 inches

Growing Degree Days (45 F) = 22.0
Growing Degree Days (50 F) = 17.0
Growing Degree Days (55 F) = 12.0
Growing Degree Days (60 F) =  7.0

Heating Degree Days (65 F) =  0.0

Cooling Degree Days (65 F) =  2.0

Maximum Livestock Heat Stress Index  =    74

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

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