Houston's 3 Day Weather Summary Sponsored by Harris Galveston Subsidence 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 08, 2025 - Tue 0.09 90 72 51 9.21 0.46 0.00 3.58
Jul 07, 2025 - Mon 0.19 90 77 49 21.91 0.00 0.00 2.78
Jul 06, 2025 - Sun 0.19 92 74 38 21.65 0.00 0.00 4.37
Data Summary 0.48 92 72 46 52.78 0.46 0.00 3.58  
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 08, 2025 - Tue 77 71 74 65 24 0
Jul 07, 2025 - Mon 83 71 74 69 37 0
Jul 06, 2025 - Sun 83 71 73 69 48 0
Data Summary 81 71 74 65 110 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 08, 2025 - Tue 29 21 26 31 26 21
Jul 07, 2025 - Mon 31 23 28 33 28 23
Jul 06, 2025 - Sun 30 23 28 33 28 23
Data Summary 90 67 82 97 82 67
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 08, 2025 - Tue 0 0
Jul 07, 2025 - Mon 0 0
Jul 06, 2025 - Sun 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 0 0
Nov 22 22
Dec 49 49
Jan 220 275
Feb 101 120
Mar 19 19
Total 411 485

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