McKinney's 7 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)
May 13, 2025 - Tue 0.26 92 65 36 23.38 0.00 2.66 10.54
May 12, 2025 - Mon 0.15 82 54 32 21.72 0.00 0.00 0.10
May 11, 2025 - Sun 0.13 75 56 28 17.22 0.00 0.01 2.39
May 10, 2025 - Sat 0.15 78 59 34 21.24 0.00 0.00 2.89
May 09, 2025 - Fri 0.14 76 59 40 18.37 0.00 0.00 3.18
May 08, 2025 - Thu 0.15 74 57 47 20.83 0.00 0.00 4.22
May 07, 2025 - Wed 0.14 76 59 43 19.66 0.00 0.00 1.65
Data Summary 1.12 92 54 37 142.42 0.00 0.38 3.57  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
May 13, 2025 - Tue 77 62 69 56 156 0
May 12, 2025 - Mon 68 55 57 49 13 0
May 11, 2025 - Sun 65 48 53 44 39 0
May 10, 2025 - Sat 68 53 56 47 22 0
May 09, 2025 - Fri 67 55 57 53 30 0
May 08, 2025 - Thu 66 54 57 52 44 0
May 07, 2025 - Wed 66 56 60 52 23 0
Data Summary 68 54 69 44 326 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)
May 13, 2025 - Tue 25 18 23 28 23 18
May 12, 2025 - Mon 18 8 13 18 13 8
May 11, 2025 - Sun 15 5 10 15 10 5
May 10, 2025 - Sat 18 8 13 18 13 8
May 09, 2025 - Fri 18 8 13 18 13 8
May 08, 2025 - Thu 15 5 10 15 10 5
May 07, 2025 - Wed 17 7 12 17 12 7
Data Summary 126 59 94 129 94 59
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
May 13, 2025 - Tue 0 0
May 12, 2025 - Mon 0 0
May 11, 2025 - Sun 0 0
May 10, 2025 - Sat 0 0
May 09, 2025 - Fri 0 0
May 08, 2025 - Thu 0 0
May 07, 2025 - Wed 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