Active Stations (by years of data)
100+ years
50+ years
25+ years
10+ years
5+ years
3+ years
1+ years
< 1 year
Other
Defunct (no recent data)
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This website uses data from the following sources:
EDUCATIONAL USE ONLY
This data is provided for educational and research purposes only. Data may be incomplete, inaccurate, or outdated.
NOT FOR OPERATIONAL USE: Do NOT use this information for any safety-critical decisions, flood forecasting, emergency response, or any purpose where accuracy is essential. For official weather information, consult the National Weather Service at weather.gov.
NO WARRANTY: THIS DATA IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. USE AT YOUR OWN RISK.
LIMITATION OF LIABILITY: IN NO EVENT SHALL THIS WEBPAGE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF THIS WEBSITE OR DATA, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
DATA QUALITY: ACIS data is sourced from cooperative observer stations, automated sensors, and other networks. Data may contain errors, missing values, or gaps. This data has not been independently validated for operational use.
Acceptance: By accessing this website, you agree to these terms. If you do not agree, do not use this website.
Permitted Use: This website is provided for educational, research, and non-commercial use only. You may view and download data for personal use.
Prohibited Use: You may NOT:
Modifications: We reserve the right to modify or discontinue this service at any time without notice.
Data Collection: We do not collect, store, or share any personal information from visitors to this website.
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Changes: We may update this policy at any time. Continued use constitutes acceptance of changes.
If you notice any bugs, user errors, or if you encounter accessibility barriers, please contact me at historicalweatherhwx@gmail.com and I will work to address them.
This website includes:
Website: © 2024 Historical Weather (hwx). Website design and code. All rights reserved.
Data: Climate data is sourced from public domain (NOAA/NWS) via the ACIS system operated by the Regional Climate Centers. See attribution above for details.
Third-Party Content: Map tiles and other third-party content remain the property of their respective owners and are subject to their own licenses.
For questions, comments, data errors, or accessibility issues, please contact:
Name: Micheal Simpson
Email: historicalweatherhwx@gmail.com
Purpose: This website provides interactive visualizations of historical climate station data for educational and research purposes.
Data Coverage: Daily climate observations (temperature, precipitation, snowfall) from thousands of stations across the United States, sourced via the Applied Climate Information System (ACIS). Data availability varies by station and may extend back to the 1800s.
Limitations:
Acknowledgments: Special thanks to the Regional Climate Centers and NOAA/National Weather Service for maintaining the ACIS system and making climate data publicly accessible.
Version: 1.0 | Last Updated: 02/12/2026
This website is not affiliated with ACIS, NOAA, or NWS. All data is sourced from public APIs and databases.