DAP Navigation

Dashboard

Data through Oct. 28, 2026 3:00 AM
Rainfall, runoff, and related data from SWRC's experimental watersheds in southeastern Arizona.
About this site

The SWRC operates the Walnut Gulch Experimental Watershed in southeastern Arizona as an outdoor laboratory for studying semiarid rangeland hydrologic, ecosystem, climate, and erosion processes.

Goal: To efficiently disseminate SWRC data to researchers; land owners, users, and managers; and to the public giving access to the data through a web-based user interface.

Learn more about SWRC

Precipitation
3
Events yesterday
0.063in
Avg. precipitation yesterday
2 gages
Walnut Gulch (1): WG_RG012
Upper San Pedro (1): WG_RG425
10490
Events this year
158
Days with rain this year
Runoff
0
Events yesterday
—
Avg. runoff yesterday
568
Events this year
78
Days with runoff this year
Digital-era data only (2000–present).