Marfa's 5 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
May 30, 2023 - Tue 0.35 91 54 7 33.34 0.00 7.70 1.10
May 29, 2023 - Mon 0.30 88 50 10 32.36 0.01 4.69 5.54
Data Summary 1.70 91 50 8 165.08 0.01 4.66 8.44  
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
May 30, 2023 - Tue 75 53 60 44 551 73
May 29, 2023 - Mon 69 53 59 47 480 70
Data Summary 74 54 63 37 2,975 73
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
May 30, 2023 - Tue 20 13 18 23 18 13
May 29, 2023 - Mon 18 9 14 19 14 9
Data Summary 108 69 94 119 94 69
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
May 30, 2023 - Tue 0 0
May 29, 2023 - Mon 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