District 4 storm summary Provisional
Mid-April 2026 storm
Apr 20–23, 2026
Apr 20–23, 2026 storm: 18,304 km² of District 4 crossed 0.5 in in 24 h; 130 Caltrans projects and 1,123 CGP sites had an MQPE.
Apr 20, 2026 1:00 AM PDT – Apr 23, 2026 3:00 PM PDT · 3 d 14 h
Area that crossed 0.5 in / 24 h
18,304 km²
99% of District 4
District average
1.61 in
storm total, all cells
Wettest cell
4.18 in
4 mi NW of Cazadero
Peak 24-hour block
3.42 in
5 mi NW of Cazadero
Peak hourly intensity
0.66 in/h
2 mi S of Vallejo
