Marfa's 3 Day Weather Summary Sponsored by Texas Water Development Board
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 02, 2023 - Fri 0.35 90 62 4 33.96 0.00 4.07 11.73
Jun 01, 2023 - Thu 0.31 88 59 6 32.46 0.00 1.95 7.96
May 31, 2023 - Wed 0.40 91 63 15 32.96 0.00 4.90 15.87
Data Summary 1.06 91 59 8 99.38 0.00 3.64 11.85  
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 02, 2023 - Fri 76 53 61 37 565 75
Jun 01, 2023 - Thu 76 53 58 41 440 75
May 31, 2023 - Wed 78 58 63 56 939 75
Data Summary 76 54 63 37 1,943 75
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 02, 2023 - Fri 24 16 21 26 21 16
Jun 01, 2023 - Thu 22 14 19 24 19 14
May 31, 2023 - Wed 24 17 22 27 22 17
Data Summary 70 47 62 77 62 47
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jun 02, 2023 - Fri 0 0
Jun 01, 2023 - Thu 0 0
May 31, 2023 - Wed 0 0
Data Summary 0 0
Chilling Hours for the 2022-2023 Season
October 1, 2022 thru February 28, 2023
Month Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Oct 83 83
Nov 305 343
Dec 211 346
Jan 302 393
Feb 241 302
Total 1142 1467

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