Marfa's 7 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)
Sep 30, 2023 - Sat 0.27 87 66 24 20.72 0.00 6.84 9.70
Sep 29, 2023 - Fri 0.32 94 59 10 24.64 0.00 1.42 3.39
Sep 28, 2023 - Thu 0.26 93 58 13 24.65 0.00 5.52 4.85
Sep 27, 2023 - Wed 0.22 90 56 21 24.35 0.00 1.98 2.77
Sep 26, 2023 - Tue 0.25 90 63 26 19.60 0.07 0.70 8.67
Sep 25, 2023 - Mon 0.34 91 60 14 25.06 0.00 6.58 10.88
Sep 24, 2023 - Sun 0.22 95 63 15 18.87 0.00 3.78 2.13
Data Summary 1.87 95 56 17 157.89 0.07 3.83 6.06  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Sep 30, 2023 - Sat 77 57 62 53 655 78
Sep 29, 2023 - Fri 78 56 63 49 620 76
Sep 28, 2023 - Thu 77 56 63 50 477 75
Sep 27, 2023 - Wed 73 56 63 50 308 74
Sep 26, 2023 - Tue 74 59 65 52 525 75
Sep 25, 2023 - Mon 77 54 64 42 689 74
Sep 24, 2023 - Sun 80 60 66 52 382 75
Data Summary 76 56 66 42 3,656 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)
Sep 30, 2023 - Sat 26 16 21 26 21 16
Sep 29, 2023 - Fri 22 16 21 26 21 16
Sep 28, 2023 - Thu 22 15 20 25 20 15
Sep 27, 2023 - Wed 21 13 18 23 18 13
Sep 26, 2023 - Tue 24 16 21 26 21 16
Sep 25, 2023 - Mon 23 16 21 26 21 16
Sep 24, 2023 - Sun 24 19 24 29 24 19
Data Summary 162 111 146 181 146 111
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Sep 30, 2023 - Sat 0 0
Sep 29, 2023 - Fri 0 0
Sep 28, 2023 - Thu 0 0
Sep 27, 2023 - Wed 0 0
Sep 26, 2023 - Tue 0 0
Sep 25, 2023 - Mon 0 0
Sep 24, 2023 - Sun 0 0
Data Summary 0 0
Chilling Hours for the 2023-2024 Season
October 1, 2023 thru February 28, 2024
Month Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Total 0 0

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