Prairie Fork Conservation Area / Missouri Department of Conservation
Daily Weather Report
Station:   Callaway County, 2 miles southwest of Williamsburg
4/16/2026

Max. Temp.  =  81.8 deg. F
Min. Temp.  =  55.5 deg. F
Avg. Temp.  =  66.7 deg. F

Max. Wind  =  19.5 mi/hr
Time of Max Wind  =  1652 CST
Avg. Wind  =   6.4 mi/hr

Max. RH  =  93.5 %
Time of Max. RH  =  700 CST
Min. RH  =  24.0 %
Time of Min. RH  =  1600 CST

Max. Fuel Moisture  =  100.0 %
Time of Max. Fuel Moisture  =  547 CST
Min. Fuel Moisture  =  12.6 %
Time of Min. Fuel Moisture  =  16 CST

Max. Bare Soil Temp. at 2 in.  =  75.9 deg. F
Time of Max. Bare Soil Temp.  =  1600 CST
Min. Bare Soil Temp. at 2 in.  =  60.2 deg. F
Time of Min. Bare Soil Temp. at 2 in. =  700 CST

Max. Bare Soil Temp. at 4 in.  =  74.9 deg. F
Time of Max. Bare Soil Temp. at 4 in. =  1600 CST
Min. Bare Soil Temp. at 4 in.  =  59.8 deg. F
Time of Min. Bare Soil Temp. at 4 in. =  800 CST

Avg. Vapor Press.  =    1.5 mb
Avg. Vapor Press. Def.  =    0.9 mb

Precip.  =  0.00 in

Radiation = 22.92 MJoules/sq. meter

Potential Evapotranspiration  =  0.23 inches

Growing Degree Days (45 F) = 21.7
Growing Degree Days (50 F) = 16.7
Growing Degree Days (55 F) = 11.7
Growing Degree Days (60 F) =  6.7

Heating Degree Days (65 F) =  0.0

Cooling Degree Days (65 F) =  1.7

Maximum Livestock Heat Stress Index  =    77

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

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