Marble Falls' 7 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)
May 14, 2025 - Wed 0.22 100 76 32 18.18 0.00 1.22 6.81
May 13, 2025 - Tue 0.24 100 63 21 19.21 0.00 0.49 7.99
May 12, 2025 - Mon 0.17 91 55 18 22.29 0.00 0.44 0.62
May 11, 2025 - Sun 0.19 81 61 21 21.74 0.00 1.07 5.60
May 10, 2025 - Sat 0.13 79 63 34 14.42 0.00 0.78 4.41
May 09, 2025 - Fri 0.16 80 63 39 18.72 0.00 1.80 7.67
May 08, 2025 - Thu 0.11 82 63 38 11.69 0.02 0.40 6.65
Data Summary 1.24 100 55 29 126.25 0.02 0.89 5.68  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
May 14, 2025 - Wed 88 73 78 68 94 0
May 13, 2025 - Tue 84 64 72 53 106 0
May 12, 2025 - Mon 74 56 62 47 29 0
May 11, 2025 - Sun 72 52 56 49 78 0
May 10, 2025 - Sat 71 58 62 51 62 0
May 09, 2025 - Fri 72 61 68 57 102 0
May 08, 2025 - Thu 71 64 69 58 53 0
Data Summary 76 61 78 47 525 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)
May 14, 2025 - Wed 31 28 33 38 33 28
May 13, 2025 - Tue 24 21 26 31 26 21
May 12, 2025 - Mon 20 13 18 23 18 13
May 11, 2025 - Sun 21 11 16 21 16 11
May 10, 2025 - Sat 21 11 16 21 16 11
May 09, 2025 - Fri 22 12 17 22 17 12
May 08, 2025 - Thu 22 12 17 22 17 12
Data Summary 161 108 143 178 143 108
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
May 14, 2025 - Wed 0 0
May 13, 2025 - Tue 0 0
May 12, 2025 - Mon 0 0
May 11, 2025 - Sun 0 0
May 10, 2025 - Sat 0 0
May 09, 2025 - Fri 0 0
May 08, 2025 - Thu 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