District 4 storm summary Final
Early September 2025 storm
Sep 9–11, 2025
Sep 9–11, 2025 storm: 113 km² of District 4 crossed 0.5 in in 24 h; 0 Caltrans projects and 2 CGP sites had an MQPE.
Sep 9, 2025 5:00 PM PDT – Sep 11, 2025 8:00 AM PDT · 1 d 15 h
Area that crossed 0.5 in / 24 h
113 km²
0.6% of District 4
District average
0.01 in
storm total, all cells
Wettest cell
1.32 in
15 mi NE of Angwin
Peak 24-hour block
1.32 in
15 mi NE of Angwin
Peak hourly intensity
0.24 in/h
15 mi NE of Angwin
