Using Historical Weather Data for Insurance Claims
Historical weather records are increasingly important for property insurance claims, legal disputes, and risk assessment. Here's how to find and use official weather data.
Why Historical Weather Data Matters for Insurance
Insurance adjusters, attorneys, and property owners increasingly rely on historical weather records to document: storm damage dates and severity, hail events, flooding patterns, freeze damage, and wind speed at the time of an incident. Accurate weather records can make or break a claim.
Official Sources for Legal/Insurance Use
For official purposes (legal proceedings, insurance disputes), use data from official government sources:
- NOAA Climate Data Online (CDO) - Free access to historical station data from thousands of official weather stations nationwide. Provides hourly, daily, and monthly records going back decades.
- NOAA Storm Events Database - Official records of all significant weather events (tornadoes, hail, flooding, wind) by county and date.
- NWS Local Climate Data (LCD) - Detailed hourly observations from major airport weather stations.
- Certified Weather Reports - For legal proceedings, companies like Weather Decision Technologies and DTN provide certified forensic weather reports for specific dates and locations.
What This Site Provides
PastWeatherLookup.com uses Open-Meteo's historical archive which aggregates ERA5 reanalysis data. This provides excellent spatial coverage (including areas without official stations) and is useful for planning and understanding climate patterns. For official insurance or legal documentation, always obtain certified records from NOAA or a certified weather reporting service.
Key Data Points for Insurance Claims
When documenting weather-related damage:
- Date and time of the weather event
- Temperature at time of alleged freeze damage
- Wind speed during alleged wind damage
- Hail size and duration (from Storm Events Database)
- Whether precipitation was snow, rain, or mixed
- Power outage documentation if relevant