Allen'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 10, 2025 - Thu 0.20 94 71 38 24.96 0.00 0.12 0.87
Jul 09, 2025 - Wed 0.19 91 69 42 24.48 0.00 0.02 0.94
Jul 08, 2025 - Tue 0.18 94 71 37 20.91 0.64 0.01 0.57
Jul 07, 2025 - Mon 0.17 89 72 46 20.80 0.13 0.03 2.06
Jul 06, 2025 - Sun 0.14 88 73 37 15.62 0.00 0.77 1.15
Jul 05, 2025 - Sat 0.14 87 72 46 15.12 0.00 1.14 5.20
Jul 04, 2025 - Fri 0.14 86 73 49 15.56 0.23 1.52 4.23
Jul 03, 2025 - Thu 0.11 86 76 38 11.70 0.00 0.10 3.14
Jul 02, 2025 - Wed 0.14 91 75 43 15.20 0.22 0.00 1.00
Jul 01, 2025 - Tue 0.17 89 72 41 19.64 0.00 0.53 2.57
Jun 30, 2025 - Mon 0.21 95 74 36 25.14 0.00 0.43 1.23
Jun 29, 2025 - Sun 0.22 93 76 36 26.37 0.00 0.30 2.60
Jun 28, 2025 - Sat 0.23 93 75 39 26.88 0.00 0.28 2.90
Data Summary 2.24 95 69 40 262.38 1.22 0.41 2.19  
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 10, 2025 - Thu 82 68 72 64 17 0
Jul 09, 2025 - Wed 79 68 71 63 20 0
Jul 08, 2025 - Tue 80 68 71 63 22 0
Jul 07, 2025 - Mon 80 66 71 61 19 0
Jul 06, 2025 - Sun 80 66 69 62 20 0
Jul 05, 2025 - Sat 77 68 73 64 44 0
Jul 04, 2025 - Fri 78 68 70 64 46 0
Jul 03, 2025 - Thu 80 66 70 63 19 0
Jul 02, 2025 - Wed 80 67 70 63 19 0
Jul 01, 2025 - Tue 80 65 68 62 31 0
Jun 30, 2025 - Mon 84 68 72 61 27 0
Jun 29, 2025 - Sun 85 68 70 66 30 0
Jun 28, 2025 - Sat 85 68 71 66 36 0
Data Summary 80 67 73 61 348 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 10, 2025 - Thu 28 22 27 32 27 22
Jul 09, 2025 - Wed 27 20 25 30 25 20
Jul 08, 2025 - Tue 28 22 27 32 27 22
Jul 07, 2025 - Mon 29 20 25 30 25 20
Jul 06, 2025 - Sun 29 21 26 31 26 21
Jul 05, 2025 - Sat 29 19 24 29 24 19
Jul 04, 2025 - Fri 29 19 24 29 24 19
Jul 03, 2025 - Thu 31 21 26 31 26 21
Jul 02, 2025 - Wed 30 23 28 33 28 23
Jul 01, 2025 - Tue 29 20 25 30 25 20
Jun 30, 2025 - Mon 30 24 29 34 29 24
Jun 29, 2025 - Sun 31 24 29 34 29 24
Jun 28, 2025 - Sat 30 24 29 34 29 24
Data Summary 380 279 344 409 344 279
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
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
Jul 04, 2025 - Fri 0 0
Jul 03, 2025 - Thu 0 0
Jul 02, 2025 - Wed 0 0
Jul 01, 2025 - Tue 0 0
Jun 30, 2025 - Mon 0 0
Jun 29, 2025 - Sun 0 0
Jun 28, 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 2 2
Nov 75 75
Dec 155 165
Jan 235 432
Feb 188 301
Mar 58 58
Total 713 1033

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