Allen'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 14, 2025 - Mon 0.12 90 71 44 13.23 0.04 0.02 0.82
Jul 13, 2025 - Sun 0.14 88 70 42 17.17 0.01 1.11 2.13
Jul 12, 2025 - Sat 0.16 90 69 42 17.98 1.34 0.32 1.55
Data Summary 0.41 90 69 42 48.38 1.39 0.48 1.50  
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 14, 2025 - Mon 77 68 70 65 12 0
Jul 13, 2025 - Sun 77 68 72 64 19 0
Jul 12, 2025 - Sat 80 68 70 57 29 0
Data Summary 78 68 72 57 59 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 14, 2025 - Mon 28 20 25 30 25 20
Jul 13, 2025 - Sun 28 19 24 29 24 19
Jul 12, 2025 - Sat 27 19 24 29 24 19
Data Summary 83 58 73 88 73 58
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 14, 2025 - Mon 0 0
Jul 13, 2025 - Sun 0 0
Jul 12, 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 2 2
Nov 75 75
Dec 155 165
Jan 235 432
Feb 188 301
Mar 58 58
Total 713 1033

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