Rockwall's 5 Day Weather Summary Sponsored by North Texas Municipal 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 05, 2025 - Sat 0.17 88 72 50 16.20 0.00 1.95 6.79
Jul 04, 2025 - Fri 0.13 87 74 55 11.28 0.65 2.12 4.57
Jul 03, 2025 - Thu 0.10 86 77 46 7.42 0.00 1.13 2.76
Jul 02, 2025 - Wed 0.14 92 73 46 15.14 0.08 0.00 2.67
Jul 01, 2025 - Tue 0.18 91 74 43 20.24 0.00 0.42 3.45
Data Summary 0.72 92 72 48 70.27 0.73 1.12 4.05  
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 05, 2025 - Sat 79 70 73 67 97 0
Jul 04, 2025 - Fri 78 71 74 66 86 0
Jul 03, 2025 - Thu 81 69 73 66 55 0
Jul 02, 2025 - Wed 81 71 73 67 28 0
Jul 01, 2025 - Tue 82 69 71 65 43 0
Data Summary 80 70 74 65 309 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 05, 2025 - Sat 29 20 25 30 25 20
Jul 04, 2025 - Fri 30 20 25 30 25 20
Jul 03, 2025 - Thu 31 21 26 31 26 21
Jul 02, 2025 - Wed 29 23 28 33 28 23
Jul 01, 2025 - Tue 30 23 28 33 28 23
Data Summary 149 107 132 157 132 107
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 05, 2025 - Sat 0 0
Jul 04, 2025 - Fri 0 0
Jul 03, 2025 - Thu 0 0
Jul 02, 2025 - Wed 0 0
Jul 01, 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 0 0
Nov 53 53
Dec 136 145
Jan 241 413
Feb 169 276
Mar 37 37
Total 636 924

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