# wx.jamestannahill.com

> Live hyperlocal weather data from a private personal weather station in Midtown Manhattan, New York. Updated every 5 minutes.

## What this is

wx.jamestannahill.com is a personal weather station dashboard operated by James Tannahill at 40.75°N 73.98°W (Midtown Manhattan, New York). The station (Ambient Weather KNYNEWYO2140, callsign CatHouz) reports temperature, humidity, wind speed and direction, barometric pressure, UV index, solar radiation, and rainfall every 5 minutes.

The dashboard includes derived metrics not available from commercial weather services: a Microclimate Comfort Score, next-hour rain probability via logistic regression on station data, Urban Heat Island delta vs. JFK/LGA/EWR airports, a nearest-neighbor Analog Forecast engine, and 30-day station records.

## Data sources

- **Primary station**: Ambient Weather KNYNEWYO2140 (CatHouz) — private PWS, Midtown Manhattan
- **Urban Heat Island**: NOAA ASOS readings from JFK, LGA, and EWR via aviationweather.gov
- **Daily forecast**: Apple WeatherKit at 40.75°N 73.98°W — condition, high/low, wind

## API

**Base URL**: https://api.wx.jamestannahill.com

- `GET /current` — Latest station observation (JSON). Fields: tempf, humidity, windspeedmph, winddir, windgustmph, baromrelin, uv, solarradiation, hourlyrainin, dailyrainin, dewPoint, feelsLike, comfort_score, rain_prob, uhi_delta, dateutc.
- `GET /history?hours=24` — Historical readings. hours param: 24, 168 (7d), 720 (30d).
- `GET /forecast` — Analog forecast (nearest-neighbor pattern match on 90 days of 5-min data).
- `GET /records` — Station records by month.
- `GET /summary` — AI-generated plain-language weather summary for today and tomorrow.

## Pages

- [Dashboard](https://wx.jamestannahill.com/) — Live conditions, comfort calendar, analog forecast, station records, historical charts, nearby stations, rain events
- [How It Works](https://wx.jamestannahill.com/docs.html) — Technical documentation on data collection, processing pipeline, ML models, and the public API

## About the operator

James Tannahill — jamestannahill.com