Rockwall's 3 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)
Apr 02, 2025 - Wed 0.09 74 64 53 5.59 0.46 10.46 1.81
Apr 01, 2025 - Tue 0.11 77 54 63 8.40 0.00 2.67 10.99
Mar 31, 2025 - Mon 0.13 69 51 41 18.40 0.00 2.12 4.04
Data Summary 0.33 77 51 52 32.40 0.46 5.08 5.62  
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 02, 2025 - Wed 70 60 67 52 135 0
Apr 01, 2025 - Tue 65 55 68 42 151 0
Mar 31, 2025 - Mon 59 44 49 39 78 0
Data Summary 64 53 68 39 364 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)
Apr 02, 2025 - Wed 19 9 14 19 14 9
Apr 01, 2025 - Tue 15 5 10 15 10 5
Mar 31, 2025 - Mon 10 0 5 10 5 0
Data Summary 44 14 29 44 29 14
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Apr 02, 2025 - Wed 0 0
Apr 01, 2025 - Tue 0 0
Mar 31, 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 0 0
Nov 53 53
Dec 136 145
Jan 241 413
Feb 169 276
Mar 38 38
Total 637 925

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