Marble Falls' 14 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)
Aug 24, 2025 - Sun 0.17 97 73 28 20.07 0.00 0.47 2.20
Aug 23, 2025 - Sat 0.18 94 73 34 20.47 0.00 0.40 2.93
Aug 22, 2025 - Fri 0.17 95 71 36 19.20 0.00 0.40 2.41
Aug 21, 2025 - Thu 0.12 91 73 46 13.11 0.06 0.60 2.50
Aug 20, 2025 - Wed 0.16 97 74 38 17.18 0.00 1.04 3.39
Aug 19, 2025 - Tue 0.12 94 75 46 11.40 0.06 0.41 1.96
Aug 18, 2025 - Mon 0.19 101 77 28 19.95 0.00 0.52 1.66
Aug 17, 2025 - Sun 0.20 98 76 31 18.59 0.00 2.45 4.45
Aug 16, 2025 - Sat 0.16 95 75 37 11.96 0.00 0.89 6.73
Aug 15, 2025 - Fri 0.19 96 77 39 17.36 0.00 1.28 5.79
Aug 14, 2025 - Thu 0.16 97 76 37 14.34 0.00 1.08 4.90
Aug 13, 2025 - Wed 0.14 93 74 46 14.32 0.00 0.40 6.22
Aug 12, 2025 - Tue 0.17 96 78 38 17.03 0.00 2.40 3.01
Aug 11, 2025 - Mon 0.19 98 75 31 20.12 0.00 0.49 2.17
Data Summary 2.31 101 71 36 235.10 0.12 0.92 3.59  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Aug 24, 2025 - Sun 85 70 73 67 19 0
Aug 23, 2025 - Sat 84 72 78 69 33 0
Aug 22, 2025 - Fri 82 73 77 70 36 0
Aug 21, 2025 - Thu 80 74 82 70 35 0
Aug 20, 2025 - Wed 83 74 80 69 40 0
Aug 19, 2025 - Tue 84 72 82 67 31 0
Aug 18, 2025 - Mon 90 73 76 69 37 0
Aug 17, 2025 - Sun 88 74 79 70 73 0
Aug 16, 2025 - Sat 85 74 78 72 102 0
Aug 15, 2025 - Fri 86 75 80 73 96 0
Aug 14, 2025 - Thu 87 75 80 71 58 0
Aug 13, 2025 - Wed 83 74 76 71 41 0
Aug 12, 2025 - Tue 86 73 82 70 51 0
Aug 11, 2025 - Mon 87 73 77 71 38 0
Data Summary 85 73 82 67 690 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)
Aug 24, 2025 - Sun 29 25 30 35 30 25
Aug 23, 2025 - Sat 29 24 29 34 29 24
Aug 22, 2025 - Fri 28 23 28 33 28 23
Aug 21, 2025 - Thu 29 22 27 32 27 22
Aug 20, 2025 - Wed 30 26 31 36 31 26
Aug 19, 2025 - Tue 30 25 30 35 30 25
Aug 18, 2025 - Mon 31 28 33 38 33 28
Aug 17, 2025 - Sun 31 27 32 37 32 27
Aug 16, 2025 - Sat 30 25 30 35 30 25
Aug 15, 2025 - Fri 31 26 31 36 31 26
Aug 14, 2025 - Thu 31 26 31 36 31 26
Aug 13, 2025 - Wed 30 23 28 33 28 23
Aug 12, 2025 - Tue 32 27 32 37 32 27
Aug 11, 2025 - Mon 30 27 32 37 32 27
Data Summary 421 354 424 494 424 354
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