Ozark National Scenic Riverways Network
Daily Weather Report
Station:   Shannon County, Round Spring, Missouri
9/19/2026

Max. Temp.  =  98.5 deg. F
Min. Temp.  =  62.3 deg. F
Avg. Temp.  =  77.2 deg. F

Max. Wind  =   7.9 mi/hr
Time of Max Wind  =  1402 CST
Avg. Wind  =   0.5 mi/hr

Max. RH  =  93.0 %
Time of Max. RH  =  700 CST
Min. RH  =  19.5 %
Time of Min. RH  =  1400 CST

Avg. Vapor Press.  =    1.7 mb
Avg. Vapor Press. Def.  =    1.7 mb

Precip.  =  0.00 in

Radiation = 5.09 MJoules/sq. meter

Potential Evapotranspiration  =  0.04 inches

Growing Degree Days (45 F) = 32.2
Growing Degree Days (50 F) = 27.2
Growing Degree Days (55 F) = 22.2
Growing Degree Days (60 F) = 17.2

Heating Degree Days (65 F) =  0.0

Cooling Degree Days (65 F) = 12.2

Maximum Livestock Heat Stress Index  =    90

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

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