Irving South's 3 Day Weather Summary Sponsored by City of Irving
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)
Aug 24, 2025 - Sun 0.22 97 74 26 28.37 0.00 0.00 2.17
Aug 23, 2025 - Sat 0.25 96 73 22 30.20 0.00 0.00 4.91
Aug 22, 2025 - Fri 0.16 93 76 35 19.32 0.00 0.00 2.37
Data Summary 0.63 97 73 27 77.89 0.00 0.00 3.15  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Aug 24, 2025 - Sun 85 65 71 59 30 0
Aug 23, 2025 - Sat 84 66 69 60 50 0
Aug 22, 2025 - Fri 83 70 74 64 21 0
Data Summary 84 67 74 59 101 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)
Aug 24, 2025 - Sun 30 26 31 36 31 26
Aug 23, 2025 - Sat 29 24 29 34 29 24
Aug 22, 2025 - Fri 31 25 30 35 30 25
Data Summary 90 75 90 105 90 75
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Aug 24, 2025 - Sun 0 0
Aug 23, 2025 - Sat 0 0
Aug 22, 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 77 78
Dec 144 148
Jan 238 385
Feb 90 128
Mar 29 29
Total 578 768

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