Kansas Mesonet · Wheat First Hollow Stem

Wheat First Hollow Stem Probability

Manhattan

Station Metadata

4in Soil GDD
Early Prob.
Late Prob.


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Data as of November 04 2025 13:01 (CST) -- Click column headers to sort data

Prob. of FHS	Early Variety GDD	Late Variety GDD
2.5%	543	702
5.0%	576	731
10.0%	612	763
25.0%	670	812
50.0%	734	864
75.0%	803	920
90.0%	879	980
95.0%	935	1022
97.5%	991	1065
Growing degrees calculated from daily average 4 inch soil temperature with a T_low of 31F and start date of December 22

Mesonet

Help About Wheat GDD [Content Here]

KSRE

Visual Guide Wheat Growth and Development

Fall Forage Yield, 2016 Wheat Variety Date of First Hollow Stem

Fall Forage Yield, 2017 Wheat Variety Date of First Hollow Stem

Fall Forage Yield, 2018 Wheat Variety Date of First Hollow Stem

Fall Forage Yield, 2019 Wheat Variety Date of First Hollow Stem

Fall Forage Yield, 2020 Wheat Variety Date of First Hollow Stem

Fall Forage Yield, 2021 Wheat Variety Date of First Hollow Stem

Oklahoma Mesonet

Mesonet First Hollow Stem Advisor Technical Description and Equations

Citation and Usage Policy

Mesonet Data Usage Policy and Citation Resources

Data

Table (all stations) .csv (2K)

Chart (current station) .csv (8K)

Maps

Early FHS Probability .png (108K)

Late FHS Probability .png (109K)

10cm Soil GDD .png (149K)