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)
Jul 07, 2025 - Mon 0.19 88 74 47 17.42 0.02 0.00 9.85
Jul 06, 2025 - Sun 0.18 87 74 37 16.41 0.00 2.56 4.29
Jul 05, 2025 - Sat 0.16 86 73 49 15.17 0.00 0.19 7.53
Data Summary 0.53 88 73 44 49.01 0.02 0.92 7.22  
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 07, 2025 - Mon 80 67 71 63 100 0
Jul 06, 2025 - Sun 80 67 70 64 98 0
Jul 05, 2025 - Sat 78 69 73 67 117 0
Data Summary 79 67 73 63 316 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 07, 2025 - Mon 30 21 26 31 26 21
Jul 06, 2025 - Sun 30 20 25 30 25 20
Jul 05, 2025 - Sat 29 19 24 29 24 19
Data Summary 89 60 75 90 75 60
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 07, 2025 - Mon 0 0
Jul 06, 2025 - Sun 0 0
Jul 05, 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 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