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)
May 19, 2024 - Sun 0.23 89 72 46 21.77 0.00 2.54 6.37
May 18, 2024 - Sat 0.21 90 67 42 23.92 0.00 1.45 2.65
May 17, 2024 - Fri 0.16 83 61 43 21.12 0.00 1.06 2.56
Data Summary 0.60 90 61 43 66.81 0.00 1.68 3.86  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
May 19, 2024 - Sun 81 67 71 63 104 0
May 18, 2024 - Sat 78 66 69 63 65 0
May 17, 2024 - Fri 72 60 62 59 40 0
Data Summary 77 64 71 59 210 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)
May 19, 2024 - Sun 29 20 25 30 25 20
May 18, 2024 - Sat 26 19 24 29 24 19
May 17, 2024 - Fri 22 12 17 22 17 12
Data Summary 77 51 66 81 66 51
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
May 19, 2024 - Sun 0 0
May 18, 2024 - Sat 0 0
May 17, 2024 - Fri 0 0
Data Summary 0 0
Chilling Hours for the 2023-2024 Season
October 1, 2023 thru March 31, 2024
Month Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Oct 33 33
Nov 96 99
Dec 198 198
Jan 281 425
Feb 117 123
Mar 59 59
Total 784 937

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