McKinney's 5 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 03, 2025 - Thu 0.13 86 75 42 10.94 0.00 0.00 7.41
Jul 02, 2025 - Wed 0.09 89 74 47 8.90 0.30 0.00 0.26
Jul 01, 2025 - Tue 0.12 88 71 46 13.20 0.00 0.73 0.68
Jun 30, 2025 - Mon 0.23 92 74 39 19.40 0.01 5.06 5.08
Jun 29, 2025 - Sun 0.25 91 77 42 23.20 0.00 5.31 7.56
Data Summary 0.81 92 71 43 75.64 0.31 2.22 4.20  
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 03, 2025 - Thu 79 69 74 64 68 0
Jul 02, 2025 - Wed 78 70 74 66 14 0
Jul 01, 2025 - Tue 80 67 70 64 18 0
Jun 30, 2025 - Mon 84 69 71 63 133 0
Jun 29, 2025 - Sun 85 69 71 67 128 0
Data Summary 81 68 74 63 361 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 03, 2025 - Thu 30 20 25 30 25 20
Jul 02, 2025 - Wed 30 22 27 32 27 22
Jul 01, 2025 - Tue 28 20 25 30 25 20
Jun 30, 2025 - Mon 30 23 28 33 28 23
Jun 29, 2025 - Sun 31 24 29 34 29 24
Data Summary 149 109 134 159 134 109
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 03, 2025 - Thu 0 0
Jul 02, 2025 - Wed 0 0
Jul 01, 2025 - Tue 0 0
Jun 30, 2025 - Mon 0 0
Jun 29, 2025 - Sun 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 52 52
Total 705 1048

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