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 09, 2025 - Wed 0.29 95 73 45 23.78 0.65 7.58 6.05
Jul 08, 2025 - Tue 0.30 95 74 43 22.89 0.00 12.53 15.70
Jul 07, 2025 - Mon 0.23 91 74 45 17.86 0.00 0.87 17.22
Data Summary 0.82 95 73 44 64.54 0.65 6.99 12.99  
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 09, 2025 - Wed 81 71 75 66 247 0
Jul 08, 2025 - Tue 83 72 75 66 280 0
Jul 07, 2025 - Mon 82 71 73 70 245 0
Data Summary 82 71 75 66 772 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 09, 2025 - Wed 29 24 29 34 29 24
Jul 08, 2025 - Tue 30 24 29 34 29 24
Jul 07, 2025 - Mon 30 22 27 32 27 22
Data Summary 89 70 85 100 85 70
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 09, 2025 - Wed 0 0
Jul 08, 2025 - Tue 0 0
Jul 07, 2025 - Mon 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