McKinney's 13 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 19, 2025 - Wed 0.20 69 49 10 17.09 0.00 6.88 10.80
Mar 18, 2025 - Tue 0.25 79 57 36 16.29 0.00 11.92 17.84
Mar 17, 2025 - Mon 0.23 80 45 14 17.68 0.00 2.40 13.15
Mar 16, 2025 - Sun 0.12 67 44 11 17.80 0.00 3.58 1.53
Mar 15, 2025 - Sat 0.15 70 55 7 15.25 0.00 0.54 6.78
Mar 14, 2025 - Fri 0.24 83 62 7 15.75 0.00 6.23 7.26
Mar 13, 2025 - Thu 0.13 84 48 10 16.15 0.00 0.00 5.15
Mar 12, 2025 - Wed 0.16 78 56 39 14.85 0.00 6.26 9.12
Mar 11, 2025 - Tue 0.18 77 46 19 17.31 0.00 0.24 11.51
Mar 10, 2025 - Mon 0.10 72 34 15 17.25 0.00 0.00 4.16
Mar 09, 2025 - Sun 0.05 54 42 54 5.33 0.03 2.74 5.08
Mar 08, 2025 - Sat 0.06 61 43 33 3.06 0.20 3.30 3.23
Mar 07, 2025 - Fri 0.16 79 56 27 13.06 0.00 10.11 1.02
Data Summary 2.04 84 34 21 186.86 0.23 4.17 7.43  
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 19, 2025 - Wed 60 37 56 25 219 0
Mar 18, 2025 - Tue 69 49 57 41 325 0
Mar 17, 2025 - Mon 63 37 49 26 176 0
Mar 16, 2025 - Sun 55 28 35 20 55 0
Mar 15, 2025 - Sat 63 36 41 31 85 0
Mar 14, 2025 - Fri 72 48 56 38 180 0
Mar 13, 2025 - Thu 67 45 52 31 50 0
Mar 12, 2025 - Wed 67 51 57 42 146 0
Mar 11, 2025 - Tue 62 40 49 32 127 0
Mar 10, 2025 - Mon 53 37 42 30 29 0
Mar 09, 2025 - Sun 46 40 43 36 58 0
Mar 08, 2025 - Sat 48 39 43 33 72 0
Mar 07, 2025 - Fri 65 47 53 35 117 0
Data Summary 60 41 57 20 1,637 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 19, 2025 - Wed 9 0 4 9 4 0
Mar 18, 2025 - Tue 18 8 13 18 13 8
Mar 17, 2025 - Mon 12 2 7 12 7 2
Mar 16, 2025 - Sun 5 0 0 5 0 0
Mar 15, 2025 - Sat 12 2 7 12 7 2
Mar 14, 2025 - Fri 22 12 17 22 17 12
Mar 13, 2025 - Thu 16 6 11 16 11 6
Mar 12, 2025 - Wed 17 7 12 17 12 7
Mar 11, 2025 - Tue 12 2 7 12 7 2
Mar 10, 2025 - Mon 3 0 0 3 0 0
Mar 09, 2025 - Sun 0 0 0 0 0 0
Mar 08, 2025 - Sat 2 0 0 2 0 0
Mar 07, 2025 - Fri 18 8 13 18 13 8
Data Summary 146 47 91 146 91 47
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Mar 19, 2025 - Wed 0 0
Mar 18, 2025 - Tue 0 0
Mar 17, 2025 - Mon 0 0
Mar 16, 2025 - Sun 1 1
Mar 15, 2025 - Sat 0 0
Mar 14, 2025 - Fri 0 0
Mar 13, 2025 - Thu 0 0
Mar 12, 2025 - Wed 0 0
Mar 11, 2025 - Tue 0 0
Mar 10, 2025 - Mon 10 10
Mar 09, 2025 - Sun 14 14
Mar 08, 2025 - Sat 3 3
Mar 07, 2025 - Fri 0 0
Data Summary 28 28
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 188 305
Mar 44 44
Total 698 1042

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