Commercial Agriculture Automated Weather Station Network
Daily Weather Report
Station:   Saint Louis, MO, Saint Louis Science Center
6/30/2025

Max. Temp.  =  88.7 deg. F
Min. Temp.  =  71.2 deg. F
Avg. Temp.  =  78.8 deg. F

Max. Wind  =  15.5 mi/hr
Time of Max Wind  =  1935 CST
Avg. Wind  =   1.1 mi/hr

Max. RH  =  98.1 %
Time of Max. RH  =  0 CST
Min. RH  =  53.0 %
Time of Min. RH  =  1500 CST

Max. Bare Soil Temp. at 2 in.  =  99.6 deg. F
Time of Max. Bare Soil Temp.  =  1400 CST
Min. Bare Soil Temp. at 2 in.  =  76.4 deg. F
Time of Min. Bare Soil Temp.  =  600 CST

Avg. Vapor Press.  =    2.4 mb
Avg. Vapor Press. Def.  =    1.0 mb

Precip.  =  0.02 in

Radiation = 16.47 MJoules/sq. meter

Potential Evapotranspiration  =  0.18 inches

Growing Degree Days (45 F) = 33.8
Growing Degree Days (50 F) = 28.8
Growing Degree Days (55 F) = 23.8
Growing Degree Days (60 F) = 18.8

Heating Degree Days (65 F) =  0.0

Cooling Degree Days (65 F) = 13.8

Maximum Livestock Heat Stress Index  =    81

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

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