Lewisville's 3 Day Weather Summary Sponsored by Upper Trinity Regional 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)
Feb 11, 2025 - Tue 0.03 43 41 79 3.19 0.13 0.99 3.66
Feb 10, 2025 - Mon 0.02 42 39 86 1.59 0.17 3.26 2.92
Feb 09, 2025 - Sun 0.05 49 41 57 2.37 0.00 6.54 8.48
Data Summary 0.11 49 39 74 7.15 0.30 3.60 5.02  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Feb 11, 2025 - Tue 42 37 41 34 102 0
Feb 10, 2025 - Mon 41 37 40 35 84 0
Feb 09, 2025 - Sun 45 36 39 32 172 0
Data Summary 42 36 41 32 358 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)
Feb 11, 2025 - Tue 0 0 0 0 0 0
Feb 10, 2025 - Mon 0 0 0 0 0 0
Feb 09, 2025 - Sun 0 0 0 0 0 0
Data Summary 0 0 0 0 0 0
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Feb 11, 2025 - Tue 24 24
Feb 10, 2025 - Mon 24 24
Feb 09, 2025 - Sun 13 13
Data Summary 61 61
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 7 7
Nov 69 69
Dec 127 135
Jan 256 431
Feb 71 71
Total 530 713

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