Lakeway's 3 Day Weather Summary Sponsored by LCRA
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)
Jun 22, 2025 - Sun 0.25 93 77 34 24.13 0.00 4.67 4.82
Jun 21, 2025 - Sat 0.24 92 76 36 21.06 0.00 4.55 6.05
Jun 20, 2025 - Fri 0.22 93 77 37 20.74 0.00 1.59 4.21
Data Summary 0.70 93 76 35 65.93 0.00 3.60 5.03  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Jun 22, 2025 - Sun 85 70 72 66 108 0
Jun 21, 2025 - Sat 84 70 71 68 126 0
Jun 20, 2025 - Fri 85 72 75 70 89 0
Data Summary 84 70 75 66 323 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)
Jun 22, 2025 - Sun 31 25 30 35 30 25
Jun 21, 2025 - Sat 31 24 29 34 29 24
Jun 20, 2025 - Fri 31 25 30 35 30 25
Data Summary 93 74 89 104 89 74
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jun 22, 2025 - Sun 0 0
Jun 21, 2025 - Sat 0 0
Jun 20, 2025 - Fri 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 0 0
Nov 27 27
Dec 59 59
Jan 228 312
Feb 129 185
Mar 12 12
Total 455 595

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