Porterville Irrigation District GSA

San Joaquin Valley - Tule

What changed at each monthly refresh. Bold lines are notable changes. Subscribe to the RSS feed to get each update in a feed reader.

Readings through Sep 2026: first edition

• Kriged average 75 ft below ground in Sep 2026, 5.7 ft shallower than a year earlier. No readings in Jul–Sep 2026; the newest is from Oct 2025.
• 0 of 1 RMS wells read in the last 12 months are below their MT.
• NOAA-outlook forecast for Sep 2027: 73 ft below ground.

Forecasts use the NOAA outlook (CPC's Oct 2026 issue: water year 2027 at 122% of normal precipitation).