How Much Fell
Method and accuracyMethod

How much rain and snow fell in Corona, California?

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Corona got 0.82 in of rain in the last 24 hours (to 9 AM PDT, Oct 11). Past 7 days: 0.82 in. This year: 5.87 in.

Yesterday and last night (24 hours to 5 AM PDT, Oct 10): no rain.

0.82
inches
of rain

In the 24 hours to 9:00 AM PDT, Sunday, October 11, 2026

radar estimate

  • Estimated from weather radar (NOAA)?. Usually within 10 to 15 percent of what a rain gauge? in your yard would catch.
  • New snow: 0.0 in in the last 24 hours and not measured this season (NOAA snow estimate)

Compared with normal

  • Last 7 days0.71 in wetter than normal (normal 0.11 in, Oct 5 to 11, Chino Airport, 1991 to 2020)1991 to 2020 average (the official normal), NOAA station records, Chino Airport
  • This month0.73 in wetter than normal (normal 0.12 in, Oct 1 to 11, Chino Airport, 1991 to 2020)1991 to 2020 average, NOAA station records, Chino Airport

Will this match my gauge? Each day here ends at 5:00 AM PDT, close to when volunteers read their rain gauges (about 7 AM). How close we usually are

Rain, inches
0.01
0.10
0.25
0.50
1.00
1.50
2.00
3.00
4.00
6.00+
Rain in the 24 hours to 9 AM Sunday, Oct 11. Radar estimate from NOAA.
Labels: Corona and nearby towns within 40 miles, in inches. Cut from the state map.

The most rain in a day in Corona since January 26, 2025, and the 181st wettest day at Chino Airport since 1998, tied with 5 other days.

NOAA station records · Chino Airport (USW00003179), 8.6 mi away · 180 wetter days out of 9,770 on record, 5 tied days. This storm: Oct 11 to Oct 11, 0.40 in of rain; its biggest day, Oct 11, was 0.40 in.

The last 14 days

Sep 27 to Oct 10, 2026

Rain, inches (radar estimate)

  1. 0.00
  2. 0.00
  3. 0.00
  4. 0.00
  5. 0.00
  6. 0.00
  7. 0.00
  8. 0.00
  9. 0.00
  10. 0.00
  11. 0.00
  12. 0.00
  13. 0.00
  14. 0.00

Each bar is one day ending 5:00 AM PDT. T = a trace, too little to measure; n/m = not measured.? Every value is printed, so the chart reads without color.

October 2026, day by day

Tap a day to see its total
Sun
Mon
Tue
Wed
Thu
Fri
Sat

Tap a day for its total.

Figures: rain, inches (radar estimate); new snow, inches (NOAA snow estimate). Striped days are not measured or not in the data; days marked not yet are after the latest day. Each day ends 5:00 AM PDT.

Total for a date range

Loading the total.

Rain goes back to Oct 14, 2020; snow to Oct 1, 2008. Days labeled by the date they end.

Every rain total for Corona

PeriodRain
Last 24 hours, to 9:00 AM PDT Oct 110.82 in radar estimate
Last 72 hours0.82 in radar estimate
Last 7 days0.82 in radar estimate
This month so far0.85 in radar estimate
This year, 2026 so far5.87 in radar estimate

Every snow total

PeriodNew snow
Last 24 hours0.0 in NOAA snow estimate
Last 72 hours0.0 in NOAA snow estimate
Last 7 daysnot measured
This month so farnot measured
This season so farnot measured

How months count

Corona at a glance

Corona is in California, at about 835 ft above sea level at its Census center point and had an estimated 161,540 residents in 2024.

The weather station's records since 1998 come from Chino Airport, 8.6 miles away.

The wettest day on record at Chino Airport was 3.46 in on February 5, 2024.

From Sep 27 to Oct 10, Corona had no measurable rain on any of the 14 days with data, by weather radar.

Nearby California towns

TownFrom Corona24 hours7 days
Norco rain totals (4.5 mi)4.5 mi north0.68 in0.68 in
Eastvale rain totals (7.1 mi)7.1 mi north0.73 in0.74 in
Chino rain totals (9.6 mi)9.6 mi northwest0.86 in0.87 in
Chino Hills rain totals (10.8 mi)10.8 mi northwest0.42 in0.42 in
Anaheim rain totals (11.1 mi)11.1 mi west0.61 in0.61 in
Riverside rain totals (11.2 mi)11.2 mi northeast1.06 in1.07 in

Rain totals are estimated from weather radar (NOAA). Distance is in a straight line between Census center points.

Nearby rain gauges (read by volunteers)

3 closest
Rain gaugeDistanceRead atMelted to waterNew snowSnow depth
Corona 0.5 WSW
Station CA-RV-109. Read at 5:30 AM on October 11, 2026.
0.7 mi5:30 AM0.35 innot reportednot reported
Norco 1.6 SSE
Station CA-RV-107. Read at 7:00 AM on October 11, 2026.
3.2 mi7:00 AM0.77 innot reportednot reported
Perris 10.6 W
Station CA-RV-34. Read at 6:00 AM on October 11, 2026.
9.6 mi6:00 AM1.02 innot reportednot reported

Volunteer gauge reports: CoCoRaHS (cocorahs.org), CC BY 3.0. Measured by hand once a day; report date October 11, 2026. Shown as measured, not edited.

How close? Radar rain estimates are usually within about 10 to 15 percent of a rain gauge in your yard. City snow totals are usually within about 25 percent or 1 inch of what volunteers measure. Method and accuracy