Princeton's 3 Day Weather Summary Sponsored by North Texas Municipal 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)
Jul 04, 2025 - Fri 0.17 87 74 53 16.22 0.17 3.35 7.53
Jul 03, 2025 - Thu 0.12 85 75 39 10.49 0.03 0.06 4.45
Jul 02, 2025 - Wed 0.13 90 75 44 13.56 0.20 0.00 2.11
Data Summary 0.42 90 74 45 40.27 0.40 1.13 4.70  
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 04, 2025 - Fri 78 70 72 66 109 0
Jul 03, 2025 - Thu 79 68 72 63 59 0
Jul 02, 2025 - Wed 80 68 72 65 25 0
Data Summary 79 68 72 63 193 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 04, 2025 - Fri 30 20 25 30 25 20
Jul 03, 2025 - Thu 30 20 25 30 25 20
Jul 02, 2025 - Wed 30 22 27 32 27 22
Data Summary 90 62 77 92 77 62
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 04, 2025 - Fri 0 0
Jul 03, 2025 - Thu 0 0
Jul 02, 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 85 87
Dec 158 169
Jan 215 439
Feb 191 305
Mar 55 55
Total 704 1055

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