Rockwall's 7 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 17, 2025 - Thu 0.20 82 65 46 17.97 0.00 5.64 10.26
Apr 16, 2025 - Wed 0.18 79 56 40 17.86 0.00 1.17 8.50
Apr 15, 2025 - Tue 0.19 73 56 21 21.03 0.00 6.06 4.76
Apr 14, 2025 - Mon 0.20 85 63 40 17.97 0.00 6.72 3.74
Apr 13, 2025 - Sun 0.26 88 62 30 20.65 0.00 6.44 9.31
Apr 12, 2025 - Sat 0.21 81 58 26 20.25 0.00 2.56 7.66
Apr 11, 2025 - Fri 0.15 79 53 20 20.96 0.00 0.01 3.84
Data Summary 1.39 88 53 31 136.69 0.00 4.09 6.87  
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 17, 2025 - Thu 73 60 63 57 187 0
Apr 16, 2025 - Wed 68 49 60 36 117 0
Apr 15, 2025 - Tue 65 41 48 36 96 0
Apr 14, 2025 - Mon 73 58 64 50 128 0
Apr 13, 2025 - Sun 75 56 63 49 189 0
Apr 12, 2025 - Sat 69 46 55 36 115 0
Apr 11, 2025 - Fri 67 46 55 40 35 0
Data Summary 70 50 64 36 868 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 17, 2025 - Thu 23 13 18 23 18 13
Apr 16, 2025 - Wed 18 8 13 18 13 8
Apr 15, 2025 - Tue 15 5 10 15 10 5
Apr 14, 2025 - Mon 24 14 19 24 19 14
Apr 13, 2025 - Sun 24 15 20 25 20 15
Apr 12, 2025 - Sat 19 9 14 19 14 9
Apr 11, 2025 - Fri 16 6 11 16 11 6
Data Summary 139 70 105 140 105 70
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Apr 17, 2025 - Thu 0 0
Apr 16, 2025 - Wed 0 0
Apr 15, 2025 - Tue 0 0
Apr 14, 2025 - Mon 0 0
Apr 13, 2025 - Sun 0 0
Apr 12, 2025 - Sat 0 0
Apr 11, 2025 - Fri 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