McKinney'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)
Mar 30, 2025 - Sun 0.16 81 59 49 15.62 0.50 2.19 6.48
Mar 29, 2025 - Sat 0.14 78 62 58 13.35 0.00 6.75 11.64
Mar 28, 2025 - Fri 0.10 71 60 58 10.13 1.27 4.52 8.56
Data Summary 0.40 81 59 55 39.09 1.77 4.49 8.89  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Mar 30, 2025 - Sun 70 57 63 45 147 0
Mar 29, 2025 - Sat 69 61 63 59 182 0
Mar 28, 2025 - Fri 64 57 62 52 152 0
Data Summary 67 58 63 45 482 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)
Mar 30, 2025 - Sun 20 10 15 20 15 10
Mar 29, 2025 - Sat 20 10 15 20 15 10
Mar 28, 2025 - Fri 16 6 11 16 11 6
Data Summary 56 26 41 56 41 26
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Mar 30, 2025 - Sun 0 0
Mar 29, 2025 - Sat 0 0
Mar 28, 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 6 6
Nov 81 81
Dec 155 166
Jan 224 440
Feb 187 303
Mar 54 54
Total 707 1050

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