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Data Catalogs
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The Jornada is responsible for several long term data catalogs from research programs and locations around the US and the world. These catalogs store data of various types for access and use by the public and our research partners. Some data sets are open access and others require permitted access. Data are stored in these catalogs according to established procedures and policies.


Use Our Data

Our data and datasets are organized within "catalogs". These catalogs represent either 1) collections of certain types of data (e.g., EcoTRENDS or Long Term Ecological Research datasets) or 2) specific landscapes (e.g., the Malpai Borderlands Region) where we work with land owners and land managers to help them collect and analyze data that can inform their management.

Once you have identified the catalog of data you are interested in, you can access data and datasets.

Download - Within any catalog you will find a [Download Data] link that will allow you to use the data in a desktop application such as Excel or Access. Each dataset includes associated files that describe important features of the included data such as the time period of collection, the manner in which data were collected, and specifics of location of collection.

Assistance - If you need assistance with data access or guidance on data analyses, you may contact Darren James at with specific questions or requests.


The interactive graph above shows average maximum temperature at JER headquarters for each month in 1915. The temperatures are depicted as bubbles whose size is proportional to monthly precipitation. Clicking the Play arrow in the lower left-hand corner will start an animation of the data record through 2010. You can label each bubble by clicking it or by using the select tool in the lower right-hand corner.

These monthly averages were calculated from daily maximum temperature and precipitation values. Along with minimum temperature, these data have been collected at Jornada headquarters since June 4, 1914. The data record (incomplete at this time) is available at  It is also available through the NOAA Satellite and Information Service at


The monsoon season, the period during the summer when thunderstorms provide a little more than 50% of our annual precipitation, is defined by the National Weather Service as June 15 - September 30. The graph above was developed from a 35-year record of daily rainfall within the northern portion of Dona Ana County, New Mexico, about 25 miles northeast of Las Cruces, NM. The graph presents the date each year we have estimated to best represent the start of the monsoon season. Typically, the monsoon season most often starts the first week of July, but it has started as early as June 15 and as late as August 6, since 1976.