TAMU Irrigation Lab's 7 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)
Sep 01, 2025 - Mon 0.14 89 73 62 15.50 0.00 1.93 5.26
Aug 31, 2025 - Sun 0.04 78 71 89 3.51 1.56 2.07 1.48
Aug 30, 2025 - Sat 0.16 94 77 57 15.71 0.00 1.98 1.77
Aug 29, 2025 - Fri 0.13 92 77 60 12.17 0.22 3.17 2.36
Aug 28, 2025 - Thu 0.19 96 75 52 18.73 0.00 2.63 4.79
Aug 27, 2025 - Wed 0.15 92 76 58 14.79 0.02 1.29 3.92
Aug 26, 2025 - Tue 0.18 94 75 46 18.88 0.00 1.96 2.73
Data Summary 0.99 96 71 60 99.29 1.80 2.15 3.19  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Sep 01, 2025 - Mon 80 74 76 72 57 0
Aug 31, 2025 - Sun 75 73 74 71 63 0
Aug 30, 2025 - Sat 82 76 79 74 68 0
Aug 29, 2025 - Fri 83 76 79 71 85 0
Aug 28, 2025 - Thu 85 76 79 73 97 0
Aug 27, 2025 - Wed 84 75 78 72 73 0
Aug 26, 2025 - Tue 85 72 76 69 59 0
Data Summary 82 74 79 69 502 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)
Sep 01, 2025 - Mon 29 21 26 31 26 21
Aug 31, 2025 - Sun 24 14 19 24 19 14
Aug 30, 2025 - Sat 31 26 31 36 31 26
Aug 29, 2025 - Fri 31 25 30 35 30 25
Aug 28, 2025 - Thu 30 26 31 36 31 26
Aug 27, 2025 - Wed 31 24 29 34 29 24
Aug 26, 2025 - Tue 30 25 30 35 30 25
Data Summary 206 161 196 231 196 161
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Sep 01, 2025 - Mon 0 0
Aug 31, 2025 - Sun 0 0
Aug 30, 2025 - Sat 0 0
Aug 29, 2025 - Fri 0 0
Aug 28, 2025 - Thu 0 0
Aug 27, 2025 - Wed 0 0
Aug 26, 2025 - Tue 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