Rockwall's 14 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 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
Jul 12, 2025 - Sat 0.19 92 71 47 18.62 0.25 3.61 3.63
Jul 11, 2025 - Fri 0.24 92 76 45 22.51 0.00 3.93 6.57
Jul 10, 2025 - Thu 0.22 93 72 45 22.57 0.00 3.00 5.16
Jul 09, 2025 - Wed 0.20 93 71 49 22.21 0.20 0.94 2.38
Jul 08, 2025 - Tue 0.19 94 72 46 19.42 1.56 2.06 4.15
Jul 07, 2025 - Mon 0.19 88 74 54 20.17 0.00 0.00 5.55
Jul 06, 2025 - Sun 0.16 88 74 47 15.90 0.00 0.15 2.19
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
Data Summary 2.49 94 71 49 247.13 2.74 1.94 4.38  
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 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
Jul 12, 2025 - Sat 81 71 74 60 106 0
Jul 11, 2025 - Fri 84 70 73 67 131 0
Jul 10, 2025 - Thu 82 71 74 69 86 0
Jul 09, 2025 - Wed 80 71 75 68 58 0
Jul 08, 2025 - Tue 81 71 74 66 71 0
Jul 07, 2025 - Mon 81 69 73 65 68 0
Jul 06, 2025 - Sun 81 69 71 65 59 0
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
Data Summary 80 70 75 60 1,138 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 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
Jul 12, 2025 - Sat 28 21 26 31 26 21
Jul 11, 2025 - Fri 31 24 29 34 29 24
Jul 10, 2025 - Thu 29 22 27 32 27 22
Jul 09, 2025 - Wed 28 22 27 32 27 22
Jul 08, 2025 - Tue 29 23 28 33 28 23
Jul 07, 2025 - Mon 30 21 26 31 26 21
Jul 06, 2025 - Sun 30 21 26 31 26 21
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
Data Summary 413 304 374 444 374 304
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