🌊 El Niño Ocean Data API

Daily Pacific Ocean buoy observations — sea surface temperature, winds, and humidity.

178,080

Total readings

1980–1998

Years covered

8,536

Buoy locations

Endpoints

GET/readings — paginated readings with optional filters

GET/stats — summary statistics for the full dataset

GET/locations — unique buoy (latitude, longitude) pairs

POST/readings — append one or more new readings

PUT/readings — overwrite all readings with a new dataset

Parameter	Type	Example	Description
`year`	int	1997	Filter to a single year
`month`	int	12	Filter to a month (1–12)
`lat_min` / `lat_max`	float	-5 / 5	Latitude range
`lon_min` / `lon_max`	float	-140 / -100	Longitude range
`limit`	int	100	Max rows (default 100, max 1000)
`offset`	int	0	Skip N rows (for paging)

Example: /readings?year=1997&month=12&limit=50