Richardson'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)
Jul 10, 2025 - Thu 0.22 93 72 37 21.99 0.00 0.34 6.19
Jul 09, 2025 - Wed 0.19 91 70 43 20.27 0.00 0.00 2.64
Jul 08, 2025 - Tue 0.21 93 72 37 20.75 1.39 2.16 5.00
Data Summary 0.62 93 70 39 63.01 1.39 0.83 4.61  
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 10, 2025 - Thu 83 68 71 65 93 0
Jul 09, 2025 - Wed 79 67 71 60 55 0
Jul 08, 2025 - Tue 81 68 71 60 77 0
Data Summary 81 67 71 60 225 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 10, 2025 - Thu 29 22 27 32 27 22
Jul 09, 2025 - Wed 28 21 26 31 26 21
Jul 08, 2025 - Tue 29 22 27 32 27 22
Data Summary 86 65 80 95 80 65
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 10, 2025 - Thu 0 0
Jul 09, 2025 - Wed 0 0
Jul 08, 2025 - Tue 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 43 43
Dec 125 127
Jan 247 405
Feb 166 272
Mar 33 33
Total 614 880

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