Prairie Fork Conservation Area / Missouri Department of Conservation
Daily Weather Report
Station:   Callaway County, 2 miles southwest of Williamsburg
7/28/2026

Max. Temp.  =  84.3 deg. F
Min. Temp.  =  73.0 deg. F
Avg. Temp.  =  79.0 deg. F

Max. Wind  =   7.7 mi/hr
Time of Max Wind  =  1643 CST
Avg. Wind  =   1.7 mi/hr

Max. RH  =  92.7 %
Time of Max. RH  =  0 CST
Min. RH  =  77.1 %
Time of Min. RH  =  1500 CST

Max. Fuel Moisture  =  100.0 %
Time of Max. Fuel Moisture  =  503 CST
Min. Fuel Moisture  =  23.4 %
Time of Min. Fuel Moisture  =  25 CST

Max. Bare Soil Temp. at 2 in.  =  84.2 deg. F
Time of Max. Bare Soil Temp.  =  1700 CST
Min. Bare Soil Temp. at 2 in.  =  78.3 deg. F
Time of Min. Bare Soil Temp. at 2 in. =  600 CST

Max. Bare Soil Temp. at 4 in.  =  83.0 deg. F
Time of Max. Bare Soil Temp. at 4 in. =  1700 CST
Min. Bare Soil Temp. at 4 in.  =  77.7 deg. F
Time of Min. Bare Soil Temp. at 4 in. =  700 CST

Avg. Vapor Press.  =    2.9 mb
Avg. Vapor Press. Def.  =    0.5 mb

Precip.  =  0.00 in

Radiation = 7.92 MJoules/sq. meter

Potential Evapotranspiration  =  0.08 inches

Growing Degree Days (45 F) = 34.0
Growing Degree Days (50 F) = 29.0
Growing Degree Days (55 F) = 24.0
Growing Degree Days (60 F) = 19.0

Heating Degree Days (65 F) =  0.0

Cooling Degree Days (65 F) = 14.0

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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