Commercial Agriculture Automated Weather Station Network
Daily Weather Report
Station:   Saint Louis, MO, Saint Louis Science Center
10/23/2026

Max. Temp.  =  77.9 deg. F
Min. Temp.  =  50.6 deg. F
Avg. Temp.  =  63.2 deg. F

Max. Wind  =  11.6 mi/hr
Time of Max Wind  =  1224 CST
Avg. Wind  =   1.3 mi/hr

Max. RH  =  96.5 %
Time of Max. RH  =  500 CST
Min. RH  =  31.4 %
Time of Min. RH  =  1500 CST

Max. Bare Soil Temp. at 2 in.  =  69.5 deg. F
Time of Max. Bare Soil Temp.  =  1300 CST
Min. Bare Soil Temp. at 2 in.  =  54.5 deg. F
Time of Min. Bare Soil Temp.  =  700 CST

Avg. Vapor Press.  =    1.1 mb
Avg. Vapor Press. Def.  =    1.0 mb

Precip.  =  0.00 in

Radiation = 12.47 MJoules/sq. meter

Potential Evapotranspiration  =  0.11 inches

Growing Degree Days (45 F) = 18.2
Growing Degree Days (50 F) = 13.2
Growing Degree Days (55 F) =  8.2
Growing Degree Days (60 F) =  3.2

Heating Degree Days (65 F) =  1.8

Cooling Degree Days (65 F) =  0.0

Maximum Livestock Heat Stress Index  =    73

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

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