Marfa's 14 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)
Nov 28, 2023 - Tue 0.08 61 31 41 13.73 0.00 6.48 3.80
Nov 27, 2023 - Mon 0.06 52 33 45 5.00 0.00 4.66 6.42
Nov 26, 2023 - Sun 0.07 50 37 59 11.73 0.00 7.36 6.26
Nov 25, 2023 - Sat 0.13 67 31 26 17.28 0.00 3.54 7.05
Nov 24, 2023 - Fri 0.14 68 32 25 17.32 0.00 4.90 7.01
Nov 23, 2023 - Thu 0.12 62 27 17 17.71 0.00 5.47 8.75
Nov 22, 2023 - Wed 0.10 59 27 13 18.29 0.00 5.96 0.66
Nov 21, 2023 - Tue 0.11 54 32 33 12.50 0.00 9.28 10.71
Nov 20, 2023 - Mon 0.17 63 42 22 18.24 0.00 4.05 13.17
Nov 19, 2023 - Sun 0.17 76 47 19 17.38 0.00 5.35 9.55
Nov 18, 2023 - Sat 0.13 75 55 37 13.49 0.00 4.62 7.20
Nov 17, 2023 - Fri 0.11 76 50 31 8.50 0.00 3.39 5.54
Nov 16, 2023 - Thu 0.08 67 46 59 9.13 0.01 2.89 5.28
Nov 15, 2023 - Wed 0.10 70 44 46 17.08 0.01 5.87 4.87
Data Summary 1.57 76 27 33 197.38 0.02 5.27 6.88  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Nov 28, 2023 - Tue 44 33 40 28 367 46
Nov 27, 2023 - Mon 43 30 35 25 341 47
Nov 26, 2023 - Sun 43 33 39 29 741 47
Nov 25, 2023 - Sat 49 34 42 27 559 48
Nov 24, 2023 - Fri 49 32 42 26 552 47
Nov 23, 2023 - Thu 44 25 33 18 472 44
Nov 22, 2023 - Wed 41 24 29 19 353 45
Nov 21, 2023 - Tue 46 29 31 24 789 49
Nov 20, 2023 - Mon 53 34 39 30 909 52
Nov 19, 2023 - Sun 60 46 50 38 568 57
Nov 18, 2023 - Sat 63 51 54 48 421 61
Nov 17, 2023 - Fri 62 50 55 47 316 59
Nov 16, 2023 - Thu 56 50 54 44 388 57
Nov 15, 2023 - Wed 55 48 51 44 335 56
Data Summary 50 37 55 18 7,111 51
Heat Units
Date Corn
(heat units)
Cotton
(heat units)
Sorghum
(heat units)
50 Degree
(heat units)
55 Degree
(heat units)
60 Degree
(heat units)
Nov 28, 2023 - Tue 0 0 0 0 0 0
Nov 27, 2023 - Mon 0 0 0 0 0 0
Nov 26, 2023 - Sun 0 0 0 0 0 0
Nov 25, 2023 - Sat 0 0 0 0 0 0
Nov 24, 2023 - Fri 0 0 0 0 0 0
Nov 23, 2023 - Thu 0 0 0 0 0 0
Nov 22, 2023 - Wed 0 0 0 0 0 0
Nov 21, 2023 - Tue 0 0 0 0 0 0
Nov 20, 2023 - Mon 2 0 0 2 0 0
Nov 19, 2023 - Sun 11 1 6 11 6 1
Nov 18, 2023 - Sat 15 5 10 15 10 5
Nov 17, 2023 - Fri 13 3 8 13 8 3
Nov 16, 2023 - Thu 7 0 2 7 2 0
Nov 15, 2023 - Wed 7 0 2 7 2 0
Data Summary 55 9 28 55 28 9
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Nov 28, 2023 - Tue 10 11
Nov 27, 2023 - Mon 12 12
Nov 26, 2023 - Sun 12 12
Nov 25, 2023 - Sat 10 10
Nov 24, 2023 - Fri 10 10
Nov 23, 2023 - Thu 4 11
Nov 22, 2023 - Wed 6 13
Nov 21, 2023 - Tue 4 4
Nov 20, 2023 - Mon 0 0
Nov 19, 2023 - Sun 0 0
Nov 18, 2023 - Sat 0 0
Nov 17, 2023 - Fri 0 0
Nov 16, 2023 - Thu 0 0
Nov 15, 2023 - Wed 0 0
Data Summary 68 83
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)
Oct 39 39
Nov 96 114
Total 135 153

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