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 17, 2025 - Thu 0.21 94 76 40 21.82 0.00 4.29 2.34
Jul 16, 2025 - Wed 0.19 91 75 50 17.40 0.00 3.61 6.07
Jul 15, 2025 - Tue 0.22 93 76 46 21.70 0.00 1.51 4.36
Jul 14, 2025 - Mon 0.14 89 73 57 14.93 0.08 0.43 4.36
Jul 13, 2025 - Sun 0.16 89 71 50 16.80 0.00 2.69 2.82
Data Summary 0.92 94 71 48 92.65 0.08 2.51 3.99  
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 17, 2025 - Thu 84 70 73 67 67 0
Jul 16, 2025 - Wed 84 72 74 70 99 0
Jul 15, 2025 - Tue 84 72 75 70 89 0
Jul 14, 2025 - Mon 79 72 74 70 58 0
Jul 13, 2025 - Sun 78 70 73 67 74 0
Data Summary 81 71 75 67 388 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 25 30 35 30 25
Jul 16, 2025 - Wed 30 23 28 33 28 23
Jul 15, 2025 - Tue 31 25 30 35 30 25
Jul 14, 2025 - Mon 29 21 26 31 26 21
Jul 13, 2025 - Sun 28 20 25 30 25 20
Data Summary 149 114 139 164 139 114
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
Jul 14, 2025 - Mon 0 0
Jul 13, 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 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