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)
Jun 20, 2025 - Fri 0.26 91 78 45 25.20 0.00 5.17 8.09
Jun 19, 2025 - Thu 0.23 91 76 49 23.09 0.00 3.61 7.28
Jun 18, 2025 - Wed 0.24 91 77 44 20.73 0.00 10.86 10.03
Data Summary 0.74 91 76 46 69.02 0.00 6.55 8.47  
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 71 72 70 152 0
Jun 19, 2025 - Thu 84 71 73 69 121 0
Jun 18, 2025 - Wed 83 70 72 68 163 0
Data Summary 83 70 73 68 436 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 32 24 29 34 29 24
Jun 19, 2025 - Thu 31 23 28 33 28 23
Jun 18, 2025 - Wed 31 24 29 34 29 24
Data Summary 94 71 86 101 86 71
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 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