TAMU Irrigation Lab's 3 Day Weather Summary Sponsored by Texas A&M Agrilife Extension
Date ETo
(in)
Max Temp
(f)
Min Temp
(f)
Min RH
(%)
Solar Rad.
(MJ/m2)
Rainfall
(in)
Wind 4am
(mph)
Wind 4pm
(mph)
Battery
(v)
Jun 22, 2025 - Sun 0.18 90 76 62 17.65 0.50 2.46 7.49
Jun 21, 2025 - Sat 0.21 92 76 56 20.91 0.00 3.73 7.92
Jun 20, 2025 - Fri 0.20 92 78 64 20.76 0.00 3.11 5.78
Data Summary 0.59 92 76 60 59.31 0.50 3.10 7.07  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Jun 22, 2025 - Sun 82 75 77 68 121 0
Jun 21, 2025 - Sat 84 75 77 73 142 0
Jun 20, 2025 - Fri 84 77 80 74 112 0
Data Summary 83 75 80 68 375 0
Heat Units
Date Corn
(heat units)
Cotton
(heat units)
Sorghum
(heat units)
50 Degree
(heat units)
55 Degree
(heat units)
60 Degree
(heat units)
Jun 22, 2025 - Sun 31 23 28 33 28 23
Jun 21, 2025 - Sat 31 24 29 34 29 24
Jun 20, 2025 - Fri 32 25 30 35 30 25
Data Summary 94 72 87 102 87 72
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jun 22, 2025 - Sun 0 0
Jun 21, 2025 - Sat 0 0
Jun 20, 2025 - Fri 0 0
Data Summary 0 0
Chilling Hours for the 2024-2025 Season
October 1, 2024 thru March 31, 2025
Month Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Oct 0 0
Nov 30 30
Dec 57 57
Jan 213 299
Feb 129 170
Mar 11 11
Total 440 567

Calculators

Landscape
Crop
Landscape Watering Calculator
1.) ETo (pet)
2.) Plant Coefficient
3.) Adjustment Factor
4.) Effective Rainfall
5.)
Precipitation Rate
Total Run Time
Irrigations/Week
Run Time/Irrigation
Crop Watering Calculator
1.) ETo value from weather data
2.) Select a crop coefficient
FAO Coefficients
Or
Texas High Plains Coefficients
3.) Select a crop growth stage
4.) Crop coefficient from growth stage
5.) Enter your system efficiency
6.) Effective Rainfall
7.)
Precipitation Rate
Total Run Time
Irrigations/Week
Run Time/Irrigation