District 4 storm summary Provisional
New Year’s 2026 storm
Dec 31, 2025 – Jan 7, 2026
Dec 31, 2025 – Jan 7, 2026 storm: 5,836 km² of District 4 crossed 0.5 in in 24 h; 37 Caltrans projects and 434 CGP sites had an MQPE.
Dec 31, 2025 3:00 PM PST – Jan 7, 2026 1:00 AM PST · 6 d 10 h
Area that crossed 0.5 in / 24 h
5,836 km²
32% of District 4
District average
3.81 in
storm total, all cells
Wettest cell
9.13 in
4 mi N of Guerneville
Peak 24-hour block
2.98 in
8 mi NE of Pittsburg
Peak hourly intensity
1.03 in/h
4 mi N of Guerneville
