Checked
City dataClimate & Weather
Rainfall Data
Published by Boston Water and Sewer Commission · Updated 04/01/2025
- Last updated
- 04/01/2025
- First published 01/10/2017
- Update frequency
- Not listed
- Formats
- Web only
- Coverage
- Boston
- City in Massachusetts
About this dataset
The Boston Water and Sewer Commission (BWSC) maintains collection sites throughout the city. Those collection sites are equipped with solar powered rain gauges on top of public buildings which log measurements of precipitation and which report data every five minutes. Here you find the link to the Boston Water and Sewer Commission’s interface to the rainfall data, which is updated continually. You can search for rainfall data going as far back as 1999, depending on the year of installation for the various gauges.
Files and access
Links open the official government source
- Collection site totals by year, month, and day. Daily detail provides data for each five minutes of a selected day and cbwsc.orgWeb page
Links open outside websites we do not control.
Frequently asked questions
- Who publishes Rainfall Data?
- Boston Water and Sewer Commission, part of City of Boston, publishes this dataset on Analyze Boston.
- How often is it updated?
- The publisher does not list a schedule. The last update was on 04/01/2025.
- How do I download it?
- Use the official source link above to view or request the data.
Similar data from other publishers
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- 30 Minute Rainfall Data (FIFE)National Aeronautics and Space Administration · ORNL_DAACThe FIFE Thirty Minute Rainfall Data Data Set contains data from thirty rain gauges located in the Kings Creek basin in the northwest corner of the FIFE study area during 1987. Reliability of the gauges were such that at any particular time, data from approximXMLZIPPDFPNG+2Updated 10/20/2026
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- Annual Rainfall (in)State of Hawaii · Office of Planning and Sustainability[ Metadata ] Mean Annual Rainfall Isohyets in Inches for the Islands of Hawai‘i, Kaho‘olawe, Kaua‘i, Lāna‘i, Maui, Moloka‘i and O‘ahu. Source: 2011 Rainfall Atlas of Hawaii, https://www.hawaii.edu/climate-data-portal/rainfall-atlas . Note that Moloka‘I data/mCSVZIPGeoJSONKML+4Updated 10/13/2026
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Where this catalog comes from
- Data.gov CatalogU.S. General Services Administration
- State and local open data portalsSocrata Discovery API
- State and city CKAN portalsCalifornia, Virginia, Boston, Houston and more
- Government ArcGIS Hub sitesCity and county GIS data
Catalog checked 10/28/2026
We list dataset descriptions only. Downloads and APIs link straight to the official government source, which holds the current version and its terms of use.
Source: Analyze Boston · Last updated 10/28/2026 · Listing only; the data stays with the publisher