# Rainfall Totals in Princeton, NJ 08540 — Precip App

As of 2026-11-07T20:37:19.298Z, **Princeton, NJ 08540** received **0.07" of rain** in the last 24 hours, **0.97"** over the past 7 days, and **44.02"** in 2026 year-to-date (30-year normal to date: 41.88", 5.1% above average), measured by the **Precip app**. The most recent rain event ended 20 hours ago (2026-11-07T00:00:00+0000), dropping 0.90" of rain.

> **Note on local variation:** These totals are measured at the center of Princeton, NJ 08540 (40.3755, -74.6643). 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=-74.66431800000001&lat=40.3754945&locationName=Princeton%2C+NJ+08540&save=true&src=md_rain_report) for exact point totals, or [check the next-hour rain nowcast and 10-day forecast for Princeton, NJ 08540](https://app.precip.ai/home?lng=-74.66431800000001&lat=40.3754945&locationName=Princeton%2C+NJ+08540&src=md_rain_forecast).

| Period | Rainfall | 30-Year Normal | vs. Normal |
| --- | --- | --- | --- |
| Last 24 hours | 0.07" | — | — |
| Full day (Fri, Nov 6) | 0.47" | — | — |
| Past 7 days | 0.97" | — | — |
| November 2026 (to date) | 0.97" | 0.79" | +0.18" (+22%) |
| 2026 year to date | 44.02" | 41.88" | +2.14" (5.1% above average) |
| Most recent rain (20 hours ago) | 0.90" | — | — |

## Daily Rainfall — Past 7 Days

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

| Date | ISO Date | Rainfall |
| --- | --- | --- | --- |
| Saturday, Nov 7 | 2026-11-07 | 0.00" |
| Friday, Nov 6 | 2026-11-06 | 0.47" |
| Thursday, Nov 5 | 2026-11-05 | 0.50" |
| 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" |

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

| Month | Observed | Normal to Date | vs. Normal | Full Month Normal |
| --- | --- | --- | --- | --- |
| January 2026 | 3.10" | 3.60" | −0.50" (−14%) | 3.60" |
| February 2026 | 2.51" | 2.83" | −0.32" (−11%) | 2.83" |
| March 2026 | 3.21" | 4.26" | −1.04" (−25%) | 4.26" |
| April 2026 | 2.13" | 3.80" | −1.67" (−44%) | 3.80" |
| May 2026 | 3.52" | 4.09" | −0.57" (−14%) | 4.09" |
| June 2026 | 2.43" | 4.58" | −2.15" (−47%) | 4.58" |
| July 2026 | 8.48" | 5.00" | +3.48" (+70%) | 5.00" |
| August 2026 | 8.24" | 4.49" | +3.75" (+83%) | 4.49" |
| September 2026 | 6.63" | 4.25" | +2.38" (+56%) | 4.25" |
| October 2026 | 2.80" | 4.18" | −1.38" (−33%) | 4.18" |
| November 2026 (to date) | 0.97" | 0.79" | +0.18" (+22%) | 3.38" |

## Track Princeton, NJ 08540 in the Free Precip App

This summary covers standard periods at the center of Princeton, NJ 08540. Open [Princeton, NJ 08540 in the Precip app](https://app.precip.ai/locations/coords?lng=-74.66431800000001&lat=40.3754945&locationName=Princeton%2C+NJ+08540&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=-74.66431800000001&lat=40.3754945&locationName=Princeton%2C+NJ+08540&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 Princeton, NJ 08540:** [View the 60-minute AI rain nowcast and 10-day hourly forecast](https://app.precip.ai/home?lng=-74.66431800000001&lat=40.3754945&locationName=Princeton%2C+NJ+08540&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=-74.66431800000001&lat=40.3754945&locationName=Princeton%2C+NJ+08540&save=true&src=md_rain_report.

## About This Data

- **Location:** Princeton, NJ 08540 (40.3755, -74.6643).
- **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/08540
- **Upcoming rain forecast for Princeton, NJ 08540:** https://precip.ai/rain-forecast/zipcode/08540 (Markdown: https://precip.ai/rain-forecast/zipcode/08540.md)
- **Snowfall report (Markdown):** https://precip.ai/snow-totals/zipcode/08540.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).