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 09, 2025 - Wed 0.13 89 74 63 14.78 0.00 0.52 3.84
Jul 08, 2025 - Tue 0.17 93 74 44 17.74 0.00 0.40 0.45
Jul 07, 2025 - Mon 0.12 89 73 56 12.74 0.00 0.40 3.44
Jul 06, 2025 - Sun 0.08 85 74 72 7.64 0.11 0.40 2.79
Jul 05, 2025 - Sat 0.04 77 74 99 3.27 3.18 1.78 6.22
Data Summary 0.54 93 73 66 56.17 3.29 0.70 3.35  
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 09, 2025 - Wed 79 76 82 73 50 0
Jul 08, 2025 - Tue 83 75 81 70 70 0
Jul 07, 2025 - Mon 80 75 82 73 41 0
Jul 06, 2025 - Sun 77 76 80 74 34 0
Jul 05, 2025 - Sat 75 75 76 74 39 0
Data Summary 78 75 82 70 233 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 09, 2025 - Wed 30 21 26 31 26 21
Jul 08, 2025 - Tue 30 23 28 33 28 23
Jul 07, 2025 - Mon 29 21 26 31 26 21
Jul 06, 2025 - Sun 30 20 25 30 25 20
Jul 05, 2025 - Sat 26 16 21 26 21 16
Data Summary 145 101 126 151 126 101
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 09, 2025 - Wed 0 0
Jul 08, 2025 - Tue 0 0
Jul 07, 2025 - Mon 0 0
Jul 06, 2025 - Sun 0 0
Jul 05, 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