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)
Jul 02, 2025 - Wed 0.20 93 76 50 20.81 0.00 1.02 5.97
Jul 01, 2025 - Tue 0.20 93 74 53 22.41 0.00 1.69 3.88
Jun 30, 2025 - Mon 0.19 91 74 61 20.73 0.00 2.85 4.41
Data Summary 0.59 93 74 54 63.95 0.00 1.85 4.75  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Jul 02, 2025 - Wed 85 74 77 72 77 0
Jul 01, 2025 - Tue 83 73 77 69 55 0
Jun 30, 2025 - Mon 81 74 78 69 96 0
Data Summary 83 73 78 69 228 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)
Jul 02, 2025 - Wed 31 24 29 34 29 24
Jul 01, 2025 - Tue 30 23 28 33 28 23
Jun 30, 2025 - Mon 30 22 27 32 27 22
Data Summary 91 69 84 99 84 69
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 02, 2025 - Wed 0 0
Jul 01, 2025 - Tue 0 0
Jun 30, 2025 - Mon 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