Prairie Fork Conservation Area / Missouri Department of Conservation
Daily Weather Report
Station:   Callaway County, 2 miles southwest of Williamsburg
6/30/2025

Max. Temp.  =  80.1 deg. F
Min. Temp.  =  65.4 deg. F
Avg. Temp.  =  71.6 deg. F

Max. Wind  =  20.6 mi/hr
Time of Max Wind  =  1901 CST
Avg. Wind  =   4.3 mi/hr

Max. RH  =  97.0 %
Time of Max. RH  =  600 CST
Min. RH  =  70.4 %
Time of Min. RH  =  1500 CST

Max. Fuel Moisture  =  100.0 %
Time of Max. Fuel Moisture  =  2359 CST
Min. Fuel Moisture  =  19.7 %
Time of Min. Fuel Moisture  =  21 CST

Max. Bare Soil Temp. at 2 in.  =  84.1 deg. F
Time of Max. Bare Soil Temp.  =  1600 CST
Min. Bare Soil Temp. at 2 in.  =  71.7 deg. F
Time of Min. Bare Soil Temp. at 2 in. =  600 CST

Max. Bare Soil Temp. at 4 in.  =  81.2 deg. F
Time of Max. Bare Soil Temp. at 4 in. =  1700 CST
Min. Bare Soil Temp. at 4 in.  =  72.8 deg. F
Time of Min. Bare Soil Temp. at 4 in. =  700 CST

Avg. Vapor Press.  =    2.3 mb
Avg. Vapor Press. Def.  =    0.4 mb

Precip.  =  0.05 in

Radiation = 9.74 MJoules/sq. meter

Potential Evapotranspiration  =  0.09 inches

Growing Degree Days (45 F) = 26.6
Growing Degree Days (50 F) = 21.6
Growing Degree Days (55 F) = 16.6
Growing Degree Days (60 F) = 11.6

Heating Degree Days (65 F) =  0.0

Cooling Degree Days (65 F) =  6.6

Maximum Livestock Heat Stress Index  =    76

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

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