Station 15-minute forecast - SunnyMeteo Developer

Overview

Linearly interpolates the hourly forecast to 15 minutes; weather codes follow the parent forecast hour. Alias path: /power/minutely.

Item	Details
Coverage	Active PV / wind stations
Update frequency	Follows hourly forecast batches (06:00 / 19:00 Beijing time)
Timezone	Business times are usually Beijing time; station forecast store uses UTC and responses also include local time
Auth	`X-API-Key` header; module grant required

Request

GET /v1/power/15min
GET /power/15min
GET /v1/power/minutely   # compatibility alias

Query parameters

Parameter	Type	Required	Description
`station_alias`	string	one of three	Internal station alias (preferred), e.g. `PVSDCW`
`station_name`	string	one of three	Station name
`lat`	number	with lon	Latitude; nearest active station
`lon`	number	with lat	Longitude
`format`	string	no	`json`/`csv`/`tsv`/`xml`/`yaml`

Response

points[] fields are the same as Hourly forecast, at 15-minute resolution.

Field	Type	Unit	Description
`forecast_time`	string	ISO8601 UTC	Forecast time
`forecast_time_local`	string	ISO8601	Local time
`weather_code`	integer	—	SunnyMeteo weather code
`weather_text`	string	—	Weather name (Chinese)
`openmeteo_weather_code`	integer	WMO	Raw Open-Meteo code
`temperature_2m`	number	℃	2m temperature
`relative_humidity_2m`	number	%	2m relative humidity
`dew_point_2m`	number	℃	Dew point
`apparent_temperature`	number	℃	Apparent temperature
`precipitation_probability`	number	%	Precipitation probability
`precipitation`	number	mm	Total precipitation
`rain`	number	mm	Rain
`showers`	number	mm	Showers
`snowfall`	number	cm	Snowfall
`snow_depth`	number	m	Snow depth
`pressure_msl`	number	hPa	MSL pressure
`surface_pressure`	number	hPa	Surface pressure
`cloud_cover`	number	%	Total cloud cover
`cloud_cover_low`	number	%	Low cloud
`cloud_cover_mid`	number	%	Mid cloud
`cloud_cover_high`	number	%	High cloud
`visibility`	number	m	Visibility
`evapotranspiration`	number	mm	Evapotranspiration
`et0_fao_evapotranspiration`	number	mm	FAO reference ET
`vapour_pressure_deficit`	number	kPa	Vapour pressure deficit
`wind_speed_10m`	number	m/s	10m wind speed
`wind_speed_80m`	number	m/s	80m wind speed
`wind_speed_120m`	number	m/s	120m wind speed
`wind_speed_180m`	number	m/s	180m wind speed
`wind_direction_10m`	number	°	10m wind direction
`wind_direction_80m`	number	°	80m wind direction
`wind_direction_120m`	number	°	120m wind direction
`wind_direction_180m`	number	°	180m wind direction
`wind_gusts_10m`	number	m/s	10m gusts
`temperature_80m`	number	℃	80m temperature
`temperature_120m`	number	℃	120m temperature
`temperature_180m`	number	℃	180m temperature
`soil_temperature_0cm`	number	℃	Surface soil temperature
`soil_moisture_0_to_1cm`	number	m³/m³	0–1cm soil moisture
`shortwave_radiation`	number	W/m²	Shortwave radiation
`direct_radiation`	number	W/m²	Direct radiation
`diffuse_radiation`	number	W/m²	Diffuse radiation
`direct_normal_irradiance`	number	W/m²	DNI
`global_tilted_irradiance`	number	W/m²	GTI
`terrestrial_radiation`	number	W/m²	Extraterrestrial radiation
`tilt`	number	°	Tilt
`capacity_mw`	number	MW	Installed capacity
`power`	number	MW	Estimated power; only for PV stations with `is_power=true`, otherwise null