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)
Mar 25, 2023 - Sat 0.26 70 40 4 28.74 0.00 12.45 10.21
Mar 24, 2023 - Fri 0.29 68 40 4 28.71 0.00 4.78 11.14
Mar 23, 2023 - Thu 0.31 81 43 6 25.53 0.00 4.66 15.77
Mar 22, 2023 - Wed 0.26 82 42 7 23.33 0.00 4.44 9.63
Mar 21, 2023 - Tue 0.19 73 40 21 21.46 0.00 2.20 11.14
Mar 20, 2023 - Mon 0.16 65 39 37 23.89 0.00 3.68 8.88
Mar 19, 2023 - Sun 0.07 43 30 56 11.97 0.00 4.98 7.42
Data Summary 1.54 82 30 19 163.63 0.00 5.31 10.60  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Mar 25, 2023 - Sat 55 27 38 17 591 58
Mar 24, 2023 - Fri 56 29 36 20 985 59
Mar 23, 2023 - Thu 63 40 49 32 773 60
Mar 22, 2023 - Wed 63 42 51 36 541 59
Mar 21, 2023 - Tue 58 42 46 38 563 57
Mar 20, 2023 - Mon 50 37 43 31 654 53
Mar 19, 2023 - Sun 37 27 31 23 596 47
Data Summary 54 34 51 17 4,703 56
Heat Units
Date Corn
(heat units)
Cotton
(heat units)
Sorghum
(heat units)
50 Degree
(heat units)
55 Degree
(heat units)
60 Degree
(heat units)
Mar 25, 2023 - Sat 5 0 0 5 0 0
Mar 24, 2023 - Fri 4 0 0 4 0 0
Mar 23, 2023 - Thu 12 2 7 12 7 2
Mar 22, 2023 - Wed 12 2 7 12 7 2
Mar 21, 2023 - Tue 7 0 2 7 2 0
Mar 20, 2023 - Mon 2 0 0 2 0 0
Mar 19, 2023 - Sun 0 0 0 0 0 0
Data Summary 42 4 16 42 16 4
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Mar 25, 2023 - Sat 2 2
Mar 24, 2023 - Fri 2 2
Mar 23, 2023 - Thu 0 0
Mar 22, 2023 - Wed 0 0
Mar 21, 2023 - Tue 3 3
Mar 20, 2023 - Mon 11 11
Mar 19, 2023 - Sun 24 24
Data Summary 42 42
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