Prairie Fork Conservation Area / Missouri Department of Conservation
Daily Weather Report
Station:   Callaway County, 2 miles southwest of Williamsburg
9/16/2025

Max. Temp.  =  91.1 deg. F
Min. Temp.  =  59.1 deg. F
Avg. Temp.  =  74.2 deg. F

Max. Wind  =  12.8 mi/hr
Time of Max Wind  =  1215 CST
Avg. Wind  =   2.0 mi/hr

Max. RH  =  94.2 %
Time of Max. RH  =  700 CST
Min. RH  =  33.8 %
Time of Min. RH  =  1600 CST

Max. Fuel Moisture  =  100.0 %
Time of Max. Fuel Moisture  =  523 CST
Min. Fuel Moisture  =  15.9 %
Time of Min. Fuel Moisture  =  21 CST

Max. Bare Soil Temp. at 2 in.  =  83.3 deg. F
Time of Max. Bare Soil Temp.  =  1500 CST
Min. Bare Soil Temp. at 2 in.  =  64.7 deg. F
Time of Min. Bare Soil Temp. at 2 in. =  700 CST

Max. Bare Soil Temp. at 4 in.  =  85.6 deg. F
Time of Max. Bare Soil Temp. at 4 in. =  1500 CST
Min. Bare Soil Temp. at 4 in.  =  64.7 deg. F
Time of Min. Bare Soil Temp. at 4 in. =  700 CST

Avg. Vapor Press.  =    1.8 mb
Avg. Vapor Press. Def.  =    1.2 mb

Precip.  =  0.00 in

Radiation = 17.16 MJoules/sq. meter

Potential Evapotranspiration  =  0.18 inches

Growing Degree Days (45 F) = 29.2
Growing Degree Days (50 F) = 24.2
Growing Degree Days (55 F) = 19.2
Growing Degree Days (60 F) = 14.2

Heating Degree Days (65 F) =  0.0

Cooling Degree Days (65 F) =  9.2

Maximum Livestock Heat Stress Index  =    84

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

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