Farmersville's 13 Day Weather Summary Sponsored by North Texas Municipal Water District
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)
Jul 17, 2025 - Thu 0.19 93 74 41 21.74 0.00 0.38 4.20
Jul 16, 2025 - Wed 0.19 92 74 51 19.28 0.00 2.02 5.67
Jul 15, 2025 - Tue 0.20 92 74 49 20.19 0.00 2.64 6.13
Jul 14, 2025 - Mon 0.12 88 70 54 12.63 0.08 0.36 6.81
Jul 13, 2025 - Sun 0.14 88 70 48 15.31 0.03 2.15 3.61
Jul 12, 2025 - Sat 0.19 91 69 49 19.05 0.57 0.43 5.26
Jul 11, 2025 - Fri 0.24 91 76 45 22.13 0.00 3.58 9.77
Jul 10, 2025 - Thu 0.21 92 70 46 22.18 0.00 0.43 6.20
Jul 09, 2025 - Wed 0.19 92 71 49 20.56 0.00 0.65 3.31
Jul 08, 2025 - Tue 0.21 92 73 47 21.58 0.00 0.00 6.37
Jul 07, 2025 - Mon 0.19 87 73 52 20.74 0.00 0.69 6.69
Jul 06, 2025 - Sun 0.17 88 73 48 17.43 0.00 0.85 5.28
Jul 05, 2025 - Sat 0.15 89 71 47 15.55 0.01 0.58 4.98
Data Summary 2.38 93 69 48 248.36 0.69 1.14 5.71  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Jul 17, 2025 - Thu 83 70 72 68 43 0
Jul 16, 2025 - Wed 83 73 77 70 76 0
Jul 15, 2025 - Tue 83 73 78 70 94 0
Jul 14, 2025 - Mon 77 72 76 68 61 0
Jul 13, 2025 - Sun 77 70 75 67 62 0
Jul 12, 2025 - Sat 80 71 77 62 101 0
Jul 11, 2025 - Fri 83 69 72 67 135 0
Jul 10, 2025 - Thu 81 71 75 68 85 0
Jul 09, 2025 - Wed 79 71 75 68 62 0
Jul 08, 2025 - Tue 81 71 75 64 82 0
Jul 07, 2025 - Mon 80 69 72 64 79 0
Jul 06, 2025 - Sun 80 70 74 67 76 0
Jul 05, 2025 - Sat 78 71 77 66 73 0
Data Summary 80 70 78 62 1,028 0
Heat Units
Date Corn
(heat units)
Cotton
(heat units)
Sorghum
(heat units)
50 Degree
(heat units)
55 Degree
(heat units)
60 Degree
(heat units)
Jul 17, 2025 - Thu 30 23 28 33 28 23
Jul 16, 2025 - Wed 30 23 28 33 28 23
Jul 15, 2025 - Tue 30 23 28 33 28 23
Jul 14, 2025 - Mon 28 19 24 29 24 19
Jul 13, 2025 - Sun 28 19 24 29 24 19
Jul 12, 2025 - Sat 27 20 25 30 25 20
Jul 11, 2025 - Fri 31 23 28 33 28 23
Jul 10, 2025 - Thu 28 21 26 31 26 21
Jul 09, 2025 - Wed 28 21 26 31 26 21
Jul 08, 2025 - Tue 29 23 28 33 28 23
Jul 07, 2025 - Mon 29 20 25 30 25 20
Jul 06, 2025 - Sun 29 20 25 30 25 20
Jul 05, 2025 - Sat 28 20 25 30 25 20
Data Summary 375 275 340 405 340 275
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 17, 2025 - Thu 0 0
Jul 16, 2025 - Wed 0 0
Jul 15, 2025 - Tue 0 0
Jul 14, 2025 - Mon 0 0
Jul 13, 2025 - Sun 0 0
Jul 12, 2025 - Sat 0 0
Jul 11, 2025 - Fri 0 0
Jul 10, 2025 - Thu 0 0
Jul 09, 2025 - Wed 0 0
Jul 08, 2025 - Tue 0 0
Jul 07, 2025 - Mon 0 0
Jul 06, 2025 - Sun 0 0
Jul 05, 2025 - Sat 0 0
Data Summary 0 0
Chilling Hours for the 2024-2025 Season
October 1, 2024 thru March 31, 2025
Month Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Oct 3 3
Nov 71 76
Dec 162 175
Jan 229 440
Feb 186 298
Mar 59 59
Total 710 1051

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