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)
Mar 17, 2024 - Sun 0.13 63 55 33 13.08 0.00 5.27 8.86
Mar 16, 2024 - Sat 0.04 60 55 81 2.01 0.92 4.52 2.41
Mar 15, 2024 - Fri 0.08 66 55 73 6.93 0.34 8.53 7.01
Mar 14, 2024 - Thu 0.13 78 64 60 8.15 0.00 10.48 10.36
Mar 13, 2024 - Wed 0.20 77 64 53 18.71 0.00 10.03 12.53
Mar 12, 2024 - Tue 0.15 72 53 55 15.63 0.00 2.98 13.41
Mar 11, 2024 - Mon 0.15 68 42 29 17.70 0.00 0.52 9.30
Data Summary 0.87 78 42 54 82.21 1.26 6.05 9.13  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Mar 17, 2024 - Sun 59 44 55 36 144 0
Mar 16, 2024 - Sat 58 53 58 48 78 0
Mar 15, 2024 - Fri 59 51 63 46 156 0
Mar 14, 2024 - Thu 72 62 64 56 188 0
Mar 13, 2024 - Wed 70 59 62 56 254 0
Mar 12, 2024 - Tue 63 50 56 39 188 0
Mar 11, 2024 - Mon 56 38 43 33 109 0
Data Summary 62 51 64 33 1,118 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)
Mar 17, 2024 - Sun 9 0 4 9 4 0
Mar 16, 2024 - Sat 7 0 2 7 2 0
Mar 15, 2024 - Fri 11 1 6 11 6 1
Mar 14, 2024 - Thu 21 11 16 21 16 11
Mar 13, 2024 - Wed 21 11 16 21 16 11
Mar 12, 2024 - Tue 13 3 8 13 8 3
Mar 11, 2024 - Mon 5 0 0 5 0 0
Data Summary 87 26 52 87 52 26
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Mar 17, 2024 - Sun 0 0
Mar 16, 2024 - Sat 0 0
Mar 15, 2024 - Fri 0 0
Mar 14, 2024 - Thu 0 0
Mar 13, 2024 - Wed 0 0
Mar 12, 2024 - Tue 0 0
Mar 11, 2024 - Mon 0 0
Data Summary 0 0
Chilling Hours for the 2023-2024 Season
October 1, 2023 thru February 28, 2024
Month Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Oct 22 22
Nov 69 71
Dec 123 132
Jan 210 353
Feb 75 82
Total 499 660

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