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)
Jun 20, 2025 - Fri 0.21 91 77 51 23.32 0.00 0.00 5.56
Jun 19, 2025 - Thu 0.21 92 77 50 24.41 0.00 0.00 5.30
Jun 18, 2025 - Wed 0.22 91 78 49 23.57 0.00 1.40 5.29
Data Summary 0.64 92 77 50 71.29 0.00 0.47 5.38  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Jun 20, 2025 - Fri 84 73 75 70 64 0
Jun 19, 2025 - Thu 85 74 76 73 53 0
Jun 18, 2025 - Wed 84 73 75 71 71 0
Data Summary 84 73 76 70 188 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)
Jun 20, 2025 - Fri 31 24 29 34 29 24
Jun 19, 2025 - Thu 31 24 29 34 29 24
Jun 18, 2025 - Wed 32 24 29 34 29 24
Data Summary 94 72 87 102 87 72
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jun 20, 2025 - Fri 0 0
Jun 19, 2025 - Thu 0 0
Jun 18, 2025 - Wed 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