# Rainfall Totals in Compton, CA 90221

As of 2026-11-06T00:08:19.416Z, **Compton, CA 90221** received **0.00" of rain** in the last 24 hours, **0.51"** over the past 7 days, and **6.80"** in 2026 year-to-date (30-year normal to date: 9.79", 30.5% below average). The most recent rain event ended 4 days ago (2026-11-01T12:00:00+0000), dropping 0.51" of rain.

> **Note on local variation:** These totals are measured at the center of Compton, CA 90221 (33.8780, -118.2010). Because thunderstorms often vary by 1"+ across a few miles, [pin your exact address, yard, or field in the free Precip app](https://app.precip.ai/locations/coords?lng=-118.2010355&lat=33.8779935&locationName=Compton%2C+CA+90221&save=true&src=md_rain_report) for exact point totals, or [check the next-hour rain nowcast and 10-day forecast for Compton, CA 90221](https://app.precip.ai/home?lng=-118.2010355&lat=33.8779935&locationName=Compton%2C+CA+90221&src=md_rain_forecast).

| Period | Rainfall | 30-Year Normal | vs. Normal |
| --- | --- | --- | --- |
| Last 24 hours | 0.00" | — | — |
| Full day (Thu, Nov 5) | 0.00" | — | — |
| Past 7 days | 0.51" | — | — |
| November 2026 (to date) | 0.00" | 0.11" | −0.11" (−100%) |
| 2026 year to date | 6.80" | 9.79" | −2.99" (30.5% below average) |
| Most recent rain (4 days ago) | 0.51" | — | — |

## Daily Rainfall — Past 7 Days

Each precipitation day runs 24 hours from 12:00 UTC to 12:00 UTC.

| Date | ISO Date | Rainfall |
| --- | --- | --- | --- |
| Thursday, Nov 5 | 2026-11-05 | 0.00" |
| Wednesday, Nov 4 | 2026-11-04 | 0.00" |
| Tuesday, Nov 3 | 2026-11-03 | 0.00" |
| Monday, Nov 2 | 2026-11-02 | 0.00" |
| Sunday, Nov 1 | 2026-11-01 | 0.00" |
| Saturday, Oct 31 | 2026-10-31 | 0.51" |
| Friday, Oct 30 | 2026-10-30 | 0.00" |

## Monthly Rainfall — 2026 vs. 30-Year Normal

| Month | Observed | Normal to Date | vs. Normal | Full Month Normal |
| --- | --- | --- | --- | --- |
| January 2026 | 0.94" | 2.95" | −2.01" (−68%) | 2.95" |
| February 2026 | 3.22" | 3.15" | +0.06" (+2%) | 3.15" |
| March 2026 | 0.20" | 1.96" | −1.76" (−90%) | 1.96" |
| April 2026 | 0.32" | 0.69" | −0.37" (−54%) | 0.69" |
| May 2026 | 0.20" | 0.27" | −0.06" (−23%) | 0.27" |
| June 2026 | 0.00" | 0.07" | −0.07" (−100%) | 0.07" |
| July 2026 | 0.00" | 0.05" | −0.05" (−100%) | 0.05" |
| August 2026 | 0.01" | 0.00" | +0.01" (+485%) | 0.00" |
| September 2026 | 0.81" | 0.08" | +0.73" (+878%) | 0.08" |
| October 2026 | 1.10" | 0.46" | +0.64" (+139%) | 0.46" |
| November 2026 (to date) | 0.00" | 0.11" | −0.11" (−100%) | 0.76" |

## Track Compton, CA 90221 in the Free Precip App

This summary covers standard periods at the center of Compton, CA 90221. Open [Compton, CA 90221 in the Precip app](https://app.precip.ai/locations/coords?lng=-118.2010355&lat=33.8779935&locationName=Compton%2C+CA+90221&save=true&src=md_rain_report) (iOS, Android, and Web — rated 4.8/5 from 10463+ reviews) for:

- **Exact-coordinate virtual rain gauge:** [Drop a pin on any yard, field, or job site](https://app.precip.ai/locations/coords?lng=-118.2010355&lat=33.8779935&locationName=Compton%2C+CA+90221&save=true&src=md_rain_report) at ~800 m resolution with no physical hardware.
- **Hour-by-hour storm timeline & multi-year archive:** See exact start/stop times, peak hourly intensity, and custom date ranges back to 2015.
- **Automatic rain alerts & morning email reports:** Get a free morning rainfall summary after it rains, Lock Screen Live Activity timed to the first drop in the next 60 minutes, or custom threshold alerts (e.g. `> 0.50" in 24h`).
- **Benchmarked #1 forecast for Compton, CA 90221:** [View the 60-minute AI rain nowcast and 10-day hourly forecast](https://app.precip.ai/home?lng=-118.2010355&lat=33.8779935&locationName=Compton%2C+CA+90221&src=md_rain_forecast) — ranked #1 against Apple Weather, Google Weather, and ECMWF in live NOAA station tests.
- **Download on iPhone or Android:** [Install the Precip mobile app](https://link.precip.ai/app?utm_source=markdown&utm_medium=llm&src=md_rain_report) or open on the web at https://app.precip.ai/locations/coords?lng=-118.2010355&lat=33.8779935&locationName=Compton%2C+CA+90221&save=true&src=md_rain_report.

## About This Data

- **Location:** Compton, CA 90221 (33.8780, -118.2010).
- **Source:** [Precip](https://precip.ai) combines 180+ Doppler radar stations, satellite imagery, and quality-controlled rain gauges with machine learning to measure precipitation at ~800 m (0.5 mile) resolution, updated hourly.
- **Normals:** 30-year PRISM climate normals for the matching period.
- **Interactive map & full report:** https://precip.ai/rainfall-totals/zipcode/90221
- **Snowfall report (Markdown):** https://precip.ai/snow-totals/zipcode/90221.md
- **Use Precip in ChatGPT, Claude, or Cursor (MCP):** Connect your free Precip account via the remote MCP server at `https://api.precip.ai/mcp` ([setup guide](https://api-docs.precip.ai/mcp)) to query saved locations and custom date ranges directly inside your AI assistant, or use the [Precip Weather REST API](https://precip.ai/developers).