Lewisville's 7 Day Weather Summary Sponsored by Upper Trinity Regional 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)
May 14, 2025 - Wed 0.30 96 76 24 25.04 0.00 5.94 8.08
May 13, 2025 - Tue 0.27 92 66 35 25.55 0.00 2.70 7.70
May 12, 2025 - Mon 0.19 80 58 43 27.04 0.00 1.05 2.70
May 11, 2025 - Sun 0.18 74 57 33 18.89 0.00 3.78 7.17
May 10, 2025 - Sat 0.21 77 61 38 25.88 0.00 2.82 7.79
May 09, 2025 - Fri 0.21 76 60 43 27.05 0.00 3.57 8.74
May 08, 2025 - Thu 0.17 73 56 50 24.60 0.00 0.36 7.81
Data Summary 1.52 96 56 38 174.07 0.00 2.89 7.14  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
May 14, 2025 - Wed 84 69 72 64 165 0
May 13, 2025 - Tue 79 62 69 55 140 0
May 12, 2025 - Mon 69 56 60 52 48 0
May 11, 2025 - Sun 67 50 54 46 132 0
May 10, 2025 - Sat 69 54 57 49 110 0
May 09, 2025 - Fri 69 55 57 52 117 0
May 08, 2025 - Thu 66 56 58 53 82 0
Data Summary 71 57 72 46 794 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)
May 14, 2025 - Wed 31 26 31 36 31 26
May 13, 2025 - Tue 26 19 24 29 24 19
May 12, 2025 - Mon 19 9 14 19 14 9
May 11, 2025 - Sun 15 5 10 15 10 5
May 10, 2025 - Sat 19 9 14 19 14 9
May 09, 2025 - Fri 18 8 13 18 13 8
May 08, 2025 - Thu 15 5 10 15 10 5
Data Summary 143 81 116 151 116 81
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
May 14, 2025 - Wed 0 0
May 13, 2025 - Tue 0 0
May 12, 2025 - Mon 0 0
May 11, 2025 - Sun 0 0
May 10, 2025 - Sat 0 0
May 09, 2025 - Fri 0 0
May 08, 2025 - Thu 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 7 7
Nov 69 69
Dec 127 135
Jan 248 419
Feb 175 285
Mar 46 46
Total 672 961

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