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)
Jul 12, 2025 - Sat 0.15 89 77 71 15.30 0.07 3.37 4.22
Jul 11, 2025 - Fri 0.15 87 76 69 16.46 0.11 2.96 4.53
Jul 10, 2025 - Thu 0.19 91 72 62 20.92 0.00 0.98 5.86
Jul 09, 2025 - Wed 0.10 83 73 79 9.78 0.13 2.61 4.81
Jul 08, 2025 - Tue 0.11 85 74 81 11.82 0.07 1.93 6.00
Jul 07, 2025 - Mon 0.12 88 77 70 12.02 0.04 2.18 4.80
Jul 06, 2025 - Sun 0.09 86 75 76 8.76 0.00 1.58 2.81
Data Summary 0.91 91 72 72 95.07 0.42 2.23 4.72  
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 12, 2025 - Sat 81 76 79 69 115 0
Jul 11, 2025 - Fri 80 75 78 71 116 0
Jul 10, 2025 - Thu 81 74 78 71 91 0
Jul 09, 2025 - Wed 76 73 77 71 72 0
Jul 08, 2025 - Tue 78 74 79 71 83 0
Jul 07, 2025 - Mon 80 75 79 71 64 0
Jul 06, 2025 - Sun 80 76 78 73 62 0
Data Summary 79 74 79 69 602 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 12, 2025 - Sat 31 23 28 33 28 23
Jul 11, 2025 - Fri 31 21 26 31 26 21
Jul 10, 2025 - Thu 29 21 26 31 26 21
Jul 09, 2025 - Wed 28 18 23 28 23 18
Jul 08, 2025 - Tue 29 19 24 29 24 19
Jul 07, 2025 - Mon 31 23 28 33 28 23
Jul 06, 2025 - Sun 30 20 25 30 25 20
Data Summary 209 145 180 215 180 145
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 12, 2025 - Sat 0 0
Jul 11, 2025 - Fri 0 0
Jul 10, 2025 - Thu 0 0
Jul 09, 2025 - Wed 0 0
Jul 08, 2025 - Tue 0 0
Jul 07, 2025 - Mon 0 0
Jul 06, 2025 - Sun 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