This site was developed for a wide array of people who use the Nutritional Advisory System developed by Grazingland Animal Nutrition Lab .

The longitude ranges from 130W to 60W. The latitude ranges from 20N to 55N. The values should be entered as decimal degrees. All data starts on May 15, 2002 and continues to September 22, 2021. The temperature grids have a resolution of .5 degrees or approximately 24x24 miles. Humidity and wind have a resolution of 1 degree or approximately 48x48 miles. West longitudes must be entered as negative numbers. For example, 70W would be entered as -70 or 80.2W would be entered as -80.2.

The temperature data is gathered from
Humidity and wind data are gathered from
Find a latitude and longitude from

Date (mm/dd/yyyy)
Units U.S metric