Irving South's 5 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)
Jul 16, 2025 - Wed 0.25 93 76 46 30.18 0.00 1.55 2.70
Jul 15, 2025 - Tue 0.26 93 76 45 30.09 0.00 2.17 3.57
Jul 14, 2025 - Mon 0.19 90 70 48 23.60 0.56 0.69 1.77
Jul 13, 2025 - Sun 0.22 89 72 44 27.89 0.00 1.61 1.48
Jul 12, 2025 - Sat 0.22 91 74 48 25.16 0.95 0.75 3.57
Data Summary 1.14 93 70 46 136.93 1.51 1.35 2.62  
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 71 73 69 42 0
Jul 15, 2025 - Tue 83 71 73 69 58 0
Jul 14, 2025 - Mon 79 69 72 66 25 0
Jul 13, 2025 - Sun 78 68 71 65 46 0
Jul 12, 2025 - Sat 81 70 72 65 53 0
Data Summary 81 69 73 65 223 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 31 24 29 34 29 24
Jul 15, 2025 - Tue 31 25 30 35 30 25
Jul 14, 2025 - Mon 28 20 25 30 25 20
Jul 13, 2025 - Sun 29 21 26 31 26 21
Jul 12, 2025 - Sat 30 22 27 32 27 22
Data Summary 149 112 137 162 137 112
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 16, 2025 - Wed 0 0
Jul 15, 2025 - Tue 0 0
Jul 14, 2025 - Mon 0 0
Jul 13, 2025 - Sun 0 0
Jul 12, 2025 - Sat 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