Southlake's 3 Day Weather Summary Sponsored by Tarrant Regional Water District
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 17, 2025 - Thu 0.34 97 76 31 25.49 0.00 12.27 17.17
Jul 16, 2025 - Wed 0.29 94 77 49 22.14 0.00 10.51 16.26
Jul 15, 2025 - Tue 0.28 94 76 48 21.38 0.01 7.37 16.84
Data Summary 0.90 97 76 42 69.00 0.01 10.05 16.76  
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 17, 2025 - Thu 86 71 72 69 258 0
Jul 16, 2025 - Wed 85 74 76 71 295 0
Jul 15, 2025 - Tue 83 73 76 70 290 0
Data Summary 84 72 76 69 844 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 17, 2025 - Thu 31 26 31 36 31 26
Jul 16, 2025 - Wed 31 26 31 36 31 26
Jul 15, 2025 - Tue 31 25 30 35 30 25
Data Summary 93 77 92 107 92 77
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 17, 2025 - Thu 0 0
Jul 16, 2025 - Wed 0 0
Jul 15, 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 8 8
Nov 0 0
Total 8 8

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