---------------------------- SEASON-TO-DATE PRECIPITATION ---------------------------- Normals are Apr 30 Oct 01- Oct 01- Oct 01- Oct 01- 1991-2020 Apr 30 % of Apr 30 % of Apr 30 Sep 30 Averages 2026 normal 2025 normal normal normal -------------------------- ----- -------------- -------------- ------- ------- Fullerton Airport 0.00 15.56 137 4.46 39 11.30 11.86 John Wayne Airport 0.00 11.10 103 4.91 45 10.75 11.18 Los Angeles International 0.00 13.53 115 5.09 43 11.72 12.23 Long Beach Airport 0.00 13.06 113 5.02 43 11.55 12.02 Oceanside Airport 0.00 9.87 87 6.31 56 11.23 11.86 Ontario Airport 0.00 11.87 106 5.87 52 11.14 11.64 Palm Springs Airport 0.00 3.57 90 1.46 36 3.96 4.61 Ramona Airport 0.00 11.16 80 8.02 57 13.89 16.04 Riverside Airport 0.00 7.78 87 3.83 42 8.91 9.39 San Diego International 0.00 9.85 106 4.40 47 9.25 9.79 Thermal Airport 0.00 2.29 96 0.29 12 2.37 2.94 MM = Missing data Daily precipitation totals are from the previous day through midnight PST Product created: 02:30 AM PDT 01 May 2026