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 16, 2025 - Wed 0.21 94 75 40 23.53 0.00 0.00 5.11
Jul 15, 2025 - Tue 0.20 93 74 44 23.60 0.00 0.00 5.83
Jul 14, 2025 - Mon 0.14 90 76 52 15.44 0.02 0.00 4.44
Data Summary 0.55 94 74 45 62.57 0.02 0.00 5.12  
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 16, 2025 - Wed 85 72 74 71 38 0
Jul 15, 2025 - Tue 84 72 74 70 39 0
Jul 14, 2025 - Mon 83 73 74 70 28 0
Data Summary 84 72 74 70 105 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 16, 2025 - Wed 30 25 30 35 30 25
Jul 15, 2025 - Tue 30 23 28 33 28 23
Jul 14, 2025 - Mon 31 23 28 33 28 23
Data Summary 91 71 86 101 86 71
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 16, 2025 - Wed 0 0
Jul 15, 2025 - Tue 0 0
Jul 14, 2025 - Mon 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