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)
Apr 18, 2024 - Thu 0.35 92 46 1 32.32 0.00 6.25 8.74
Apr 16, 2024 - Tue 0.29 82 44 1 24.78 0.00 3.53 8.01
Apr 10, 2024 - Wed 0.28 75 33 5 30.68 0.00 3.83 10.67
Apr 09, 2024 - Tue 0.30 73 40 2 29.13 0.00 6.82 25.76
Apr 08, 2024 - Mon 0.28 80 39 1 26.65 0.00 5.62 9.11
Apr 07, 2024 - Sun 0.28 77 38 3 29.81 0.00 4.20 6.93
Apr 06, 2024 - Sat 0.39 82 54 0 29.50 0.00 5.58 10.54
Data Summary 2.17 92 33 1 202.86 0.00 5.12 11.39  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Apr 18, 2024 - Thu 71 38 58 16 536 70
Apr 16, 2024 - Tue 67 35 48 18 512 68
Apr 10, 2024 - Wed 56 35 42 27 738 64
Apr 09, 2024 - Tue 58 29 42 11 807 64
Apr 08, 2024 - Mon 61 29 45 11 568 65
Apr 07, 2024 - Sun 58 27 45 10 537 66
Apr 06, 2024 - Sat 68 35 49 22 842 67
Data Summary 62 32 58 10 4,541 66
Heat Units
Date Corn
(heat units)
Cotton
(heat units)
Sorghum
(heat units)
50 Degree
(heat units)
55 Degree
(heat units)
60 Degree
(heat units)
Apr 18, 2024 - Thu 16 9 14 19 14 9
Apr 16, 2024 - Tue 13 3 8 13 8 3
Apr 10, 2024 - Wed 4 0 0 4 0 0
Apr 09, 2024 - Tue 7 0 2 7 2 0
Apr 08, 2024 - Mon 9 0 4 9 4 0
Apr 07, 2024 - Sun 7 0 2 7 2 0
Apr 06, 2024 - Sat 18 8 13 18 13 8
Data Summary 74 20 43 77 43 20
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Apr 18, 2024 - Thu 0 0
Apr 16, 2024 - Tue 0 0
Apr 10, 2024 - Wed 7 7
Apr 09, 2024 - Tue 2 2
Apr 08, 2024 - Mon 3 3
Apr 07, 2024 - Sun 4 4
Apr 06, 2024 - Sat 0 0
Data Summary 16 16
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 114 132
Dec 234 327
Jan 253 367
Feb 186 215
Total 826 1080

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