Van Horn South's 7 Day Weather Summary Sponsored by Texas Water Development Board
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)
Apr 18, 2025 - Fri 0.40 81 70 9 10.28 0.00 18.16 14.35
Apr 17, 2025 - Thu 0.36 92 53 3 26.27 0.00 2.46 13.73
Apr 16, 2025 - Wed 0.31 91 56 6 28.69 0.00 5.11 9.85
Apr 15, 2025 - Tue 0.30 75 54 24 27.67 0.00 7.33 15.99
Apr 14, 2025 - Mon 0.28 82 50 6 21.16 0.00 5.58 17.30
Apr 13, 2025 - Sun 0.33 90 56 2 27.70 0.00 8.91 7.48
Apr 11, 2025 - Fri 0.24 90 49 2 28.45 0.00 0.17 2.52
Data Summary 2.22 92 49 7 170.21 0.00 6.82 11.61  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Apr 18, 2025 - Fri 76 45 49 40 1,556 69
Apr 17, 2025 - Thu 77 46 58 29 866 73
Apr 16, 2025 - Wed 74 49 59 37 603 71
Apr 15, 2025 - Tue 64 40 48 33 1,234 67
Apr 14, 2025 - Mon 67 38 51 24 785 69
Apr 13, 2025 - Sun 74 42 56 27 667 72
Apr 11, 2025 - Fri 72 44 56 32 338 71
Data Summary 72 43 59 24 6,049 70
Heat Units
Date Corn
(heat units)
Cotton
(heat units)
Sorghum
(heat units)
50 Degree
(heat units)
55 Degree
(heat units)
60 Degree
(heat units)
Apr 18, 2025 - Fri 25 15 20 25 20 15
Apr 17, 2025 - Thu 19 12 17 22 17 12
Apr 16, 2025 - Wed 21 14 19 24 19 14
Apr 15, 2025 - Tue 15 5 10 15 10 5
Apr 14, 2025 - Mon 16 6 11 16 11 6
Apr 13, 2025 - Sun 21 13 18 23 18 13
Apr 11, 2025 - Fri 17 9 14 19 14 9
Data Summary 134 74 109 144 109 74
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Apr 18, 2025 - Fri 0 0
Apr 17, 2025 - Thu 0 0
Apr 16, 2025 - Wed 0 0
Apr 15, 2025 - Tue 0 0
Apr 14, 2025 - Mon 0 0
Apr 13, 2025 - Sun 0 0
Apr 11, 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 5 5
Nov 137 147
Dec 241 281
Jan 294 519
Feb 206 264
Mar 118 121
Total 1001 1337

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