Commercial Agriculture Automated Weather Station Network
Daily Weather Report
Station:   Saint Louis, MO, Saint Louis Science Center
5/15/2025

Max. Temp.  =  87.2 deg. F
Min. Temp.  =  69.3 deg. F
Avg. Temp.  =  77.3 deg. F

Max. Wind  =  17.2 mi/hr
Time of Max Wind  =  1641 CST
Avg. Wind  =   4.2 mi/hr

Max. RH  =  81.2 %
Time of Max. RH  =  600 CST
Min. RH  =  39.6 %
Time of Min. RH  =  2000 CST

Max. Bare Soil Temp. at 2 in.  =  91.9 deg. F
Time of Max. Bare Soil Temp.  =  1200 CST
Min. Bare Soil Temp. at 2 in.  =  69.3 deg. F
Time of Min. Bare Soil Temp.  =  600 CST

Avg. Vapor Press.  =    2.1 mb
Avg. Vapor Press. Def.  =    1.2 mb

Precip.  =  0.01 in

Radiation = 16.28 MJoules/sq. meter

Potential Evapotranspiration  =  0.17 inches

Growing Degree Days (45 F) = 32.3
Growing Degree Days (50 F) = 27.3
Growing Degree Days (55 F) = 22.3
Growing Degree Days (60 F) = 17.3

Heating Degree Days (65 F) =  0.0

Cooling Degree Days (65 F) = 12.3

Maximum Livestock Heat Stress Index  =    80

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

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