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)
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
May 28, 2023 - Sun 0.16 75 55 43 15.52 0.00 2.55 11.15
May 27, 2023 - Sat 0.19 82 58 38 13.06 0.38 7.81 9.06
May 26, 2023 - Fri 0.28 86 58 32 29.24 0.54 0.72 8.22
May 25, 2023 - Thu 0.26 85 58 34 26.81 0.63 4.53 9.18
May 24, 2023 - Wed 0.42 93 61 10 32.42 0.00 4.79 6.67
May 23, 2023 - Tue 0.35 91 53 14 31.76 0.00 5.30 10.13
May 22, 2023 - Mon 0.33 89 56 11 25.81 0.00 0.65 5.79
May 21, 2023 - Sun 0.25 82 53 26 28.23 0.00 1.59 5.20
May 20, 2023 - Sat 0.21 76 61 44 16.97 0.00 12.74 10.18
Data Summary 4.15 93 50 21 384.89 1.56 4.57 8.41  
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
May 28, 2023 - Sun 64 54 59 49 563 66
May 27, 2023 - Sat 67 57 62 46 653 63
May 26, 2023 - Fri 72 59 63 56 630 74
May 25, 2023 - Thu 72 58 62 52 627 81
May 24, 2023 - Wed 77 57 63 50 792 87
May 23, 2023 - Tue 74 53 62 45 601 82
May 22, 2023 - Mon 71 53 60 46 596 80
May 21, 2023 - Sun 69 54 59 51 562 79
May 20, 2023 - Sat 68 54 57 43 813 76
Data Summary 72 54 63 37 8,812 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)
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
May 28, 2023 - Sun 15 5 10 15 10 5
May 27, 2023 - Sat 20 10 15 20 15 10
May 26, 2023 - Fri 22 12 17 22 17 12
May 25, 2023 - Thu 21 11 16 21 16 11
May 24, 2023 - Wed 23 17 22 27 22 17
May 23, 2023 - Tue 19 12 17 22 17 12
May 22, 2023 - Mon 21 12 17 22 17 12
May 21, 2023 - Sun 17 7 12 17 12 7
May 20, 2023 - Sat 19 9 14 19 14 9
Data Summary 285 164 234 304 234 164
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