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 25, 2025 - Thu 0.15 88 72 48 15.14 0.00 1.06 5.16
Sep 24, 2025 - Wed 0.11 85 78 64 10.13 0.00 3.56 6.26
Sep 23, 2025 - Tue 0.17 97 76 51 15.81 0.00 3.16 4.46
Sep 22, 2025 - Mon 0.18 96 75 52 17.27 0.00 3.22 4.84
Sep 21, 2025 - Sun 0.18 94 74 52 17.26 0.00 2.43 4.82
Sep 20, 2025 - Sat 0.14 91 73 51 14.08 0.00 2.26 3.82
Sep 19, 2025 - Fri 0.16 92 73 45 17.79 0.00 1.41 3.37
Data Summary 1.09 97 72 51 107.47 0.00 2.44 4.68  
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 25, 2025 - Thu 79 68 69 64 80 0
Sep 24, 2025 - Wed 81 74 77 70 104 0
Sep 23, 2025 - Tue 85 76 79 74 103 0
Sep 22, 2025 - Mon 84 75 78 73 106 0
Sep 21, 2025 - Sun 83 73 76 71 100 0
Sep 20, 2025 - Sat 82 72 74 68 64 0
Sep 19, 2025 - Fri 83 71 73 68 58 0
Data Summary 82 72 79 64 616 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 25, 2025 - Thu 29 20 25 30 25 20
Sep 24, 2025 - Wed 32 22 27 32 27 22
Sep 23, 2025 - Tue 31 26 31 36 31 26
Sep 22, 2025 - Mon 30 25 30 35 30 25
Sep 21, 2025 - Sun 30 24 29 34 29 24
Sep 20, 2025 - Sat 29 22 27 32 27 22
Sep 19, 2025 - Fri 29 23 28 33 28 23
Data Summary 210 162 197 232 197 162
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Sep 25, 2025 - Thu 0 0
Sep 24, 2025 - Wed 0 0
Sep 23, 2025 - Tue 0 0
Sep 22, 2025 - Mon 0 0
Sep 21, 2025 - Sun 0 0
Sep 20, 2025 - Sat 0 0
Sep 19, 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