Marble Falls' 5 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)
Jul 16, 2025 - Wed 0.23 93 78 37 21.42 0.00 3.55 7.07
Jul 15, 2025 - Tue 0.18 91 75 53 18.89 0.00 0.87 7.92
Jul 14, 2025 - Mon 0.16 88 73 60 17.73 0.00 0.51 5.87
Jul 13, 2025 - Sun 0.09 82 69 82 9.81 0.80 7.97 0.44
Jul 12, 2025 - Sat 0.17 92 75 49 16.41 0.00 1.24 6.43
Data Summary 0.82 93 69 56 84.26 0.80 2.83 5.55  
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 16, 2025 - Wed 85 74 78 69 128 0
Jul 15, 2025 - Tue 84 76 81 73 96 0
Jul 14, 2025 - Mon 81 75 78 72 57 0
Jul 13, 2025 - Sun 76 74 79 69 46 0
Jul 12, 2025 - Sat 84 75 77 73 91 0
Data Summary 82 74 81 69 417 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 16, 2025 - Wed 32 26 31 36 31 26
Jul 15, 2025 - Tue 30 23 28 33 28 23
Jul 14, 2025 - Mon 29 21 26 31 26 21
Jul 13, 2025 - Sun 26 16 21 26 21 16
Jul 12, 2025 - Sat 30 23 28 33 28 23
Data Summary 147 109 134 159 134 109
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 16, 2025 - Wed 0 0
Jul 15, 2025 - Tue 0 0
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 0 0
Nov 42 42
Dec 78 78
Jan 233 319
Feb 135 189
Mar 17 17
Total 505 645

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