District 4 storm summary Provisional
Early April 2026 storm
Apr 9–13, 2026
Apr 9–13, 2026 storm: 18,389 km² of District 4 crossed 0.5 in in 24 h; 125 Caltrans projects and 1,088 CGP sites had an MQPE.
Apr 9, 2026 3:00 PM PDT – Apr 13, 2026 11:00 PM PDT · 4 d 8 h
Area that crossed 0.5 in / 24 h
18,389 km²
100% of District 4
District average
1.89 in
storm total, all cells
Wettest cell
4.28 in
8 mi NW of Calistoga
Peak 24-hour block
2.75 in
8 mi NW of Calistoga
Peak hourly intensity
1.07 in/h
6 mi W of Calistoga
