Conroe's 9 Day Weather Summary Sponsored by Lone Star Groundwater Conservation 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)
Sep 22, 2025 - Mon 0.12 90 72 45 13.42 0.00 0.00 3.46
Sep 21, 2025 - Sun 0.11 91 70 42 14.10 0.00 0.00 0.84
Sep 20, 2025 - Sat 0.10 90 68 40 12.78 0.00 0.00 0.29
Sep 19, 2025 - Fri 0.12 91 68 35 17.26 0.00 0.00 0.49
Sep 18, 2025 - Thu 0.11 89 70 44 14.28 0.00 0.00 0.24
Sep 17, 2025 - Wed 0.12 92 71 37 15.99 0.00 0.00 0.03
Sep 16, 2025 - Tue 0.12 91 68 37 16.50 0.00 0.00 0.51
Sep 15, 2025 - Mon 0.13 91 70 32 17.85 0.00 0.00 0.55
Sep 14, 2025 - Sun 0.12 92 69 33 16.05 0.00 0.00 0.66
Data Summary 1.04 92 68 38 138.23 0.00 0.00 0.78  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Sep 22, 2025 - Mon 80 71 73 68 27 0
Sep 21, 2025 - Sun 79 69 71 68 8 0
Sep 20, 2025 - Sat 78 68 70 67 5 0
Sep 19, 2025 - Fri 79 67 69 63 3 0
Sep 18, 2025 - Thu 79 68 70 65 2 0
Sep 17, 2025 - Wed 80 67 69 64 1 0
Sep 16, 2025 - Tue 79 66 69 64 2 0
Sep 15, 2025 - Mon 80 66 69 63 6 0
Sep 14, 2025 - Sun 79 67 69 64 3 0
Data Summary 79 67 73 63 57 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)
Sep 22, 2025 - Mon 29 21 26 31 26 21
Sep 21, 2025 - Sun 28 20 25 30 25 20
Sep 20, 2025 - Sat 27 19 24 29 24 19
Sep 19, 2025 - Fri 27 20 25 30 25 20
Sep 18, 2025 - Thu 28 19 24 29 24 19
Sep 17, 2025 - Wed 28 21 26 31 26 21
Sep 16, 2025 - Tue 27 19 24 29 24 19
Sep 15, 2025 - Mon 28 21 26 31 26 21
Sep 14, 2025 - Sun 27 21 26 31 26 21
Data Summary 249 181 226 271 226 181
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Sep 22, 2025 - Mon 0 0
Sep 21, 2025 - Sun 0 0
Sep 20, 2025 - Sat 0 0
Sep 19, 2025 - Fri 0 0
Sep 18, 2025 - Thu 0 0
Sep 17, 2025 - Wed 0 0
Sep 16, 2025 - Tue 0 0
Sep 15, 2025 - Mon 0 0
Sep 14, 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 4 4
Nov 58 58
Dec 93 98
Jan 234 330
Feb 143 182
Mar 36 36
Total 568 708

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