Tempest Observation

Denoted in API responses with type obs_st.

Index	Parameter	Description
0	timestamp	Epoch (seconds, UTC)
1	wind lull	(m/s)
2	wind average	(m/s)
3	wind gust	(m/s)
4	wind direction	(degrees)
5	wind sample interval	(seconds)
6	pressure	(mb)
7	air temperature	(°C)
8	relative humidity	(%)
9	illuminance	(lux)
10	uv	(index)
11	solar radiation	(W/m²)
12	rain accumulation	rain accumulation during the reporting interval (mm)
13	precipitation type	0 = none, 1 = rain, 2 = hail, 3 = rain + hail (experimental)
14	lightning average distance	(km)
15	lightning strike count	number of strikes during the reporting interval
16	battery	(volts)
17	reporting interval	(minutes)
18	local day rain accumulation	midnight to midnight rain accumulation in the station's timezone (mm)
19	Nearcast rain accumulation	(mm)
20	local day Nearcast rain accumulation	midnight to midnight Nearcast rain accumulation in the station's timezone (mm)
21	precipitation analysis type	0 = none, 1 = Nearcast value with display on, 2 = Nearcast value with display off

Tempest Daily Observation

A summary of observation data collected from midnight to midnight in the station's local timezone. Denoted in API responses with type obs_st_ext.

Index	Parameter	Description
0	timestamp	Epoch (seconds, UTC)
1	average pressure	(mb)
2	highest pressure	(mb)
3	lowest pressure	(mb)
4	average temperature	(°C)
5	highest temperature	(°C)
6	lowest temperature	(°C)
7	average humidity	(%)
8	highest humidity	(%)
9	lowest humidity	(%)
10	average illuminance	(lux)
11	highest illuminance	(lux)
12	lowest illuminance	(lux)
13	average UV	(index)
14	highest UV	(index)
15	lowest UV	(index)
16	average solar radiation	(W/m²)
17	highest solar radiation	(W/m²)
18	lowest solar radiation	(W/m²)
19	average wind speed	(m/s)
20	wind gust	(m/s)
21	wind lull	(m/s)
22	average wind direction	(degrees)
23	wind sample interval	(seconds)
24	strike count
25	average strike distance	(km)
26	record count
27	battery	(volts)
28	local day rain accumulation	(mm)
29	local day Nearcast rain accumulation	(mm)
30	local day precipitation minutes	(minutes)
31	local day Nearcast precipitation minutes	(minutes)
32	precipitation type	0 = none, 1 = rain, 2 = hail, 3 = rain + hail (experimental)
33	precipitation analysis type	0 = none, 1 = Nearcast value with display on, 2 = Nearcast value with display off

Denoted in API responses with type obs_air.

Index	Parameter	Description
0	timestamp	Epoch (seconds, UTC)
1	pressure	(mb)
2	air temperature	(°C)
3	relative humidity	(%)
4	lightning strike count	number of strikes during the reporting interval
5	lightning average distance	(km)
6	battery	(volts)
7	reporting interval	(minutes)

A summary of observation data collected from midnight to midnight in the station's local timezone. Denoted in API responses with type obs_air_ext.

Denoted in API responses with type obs_sky.

Index	Parameter	Description
0	timestamp	Epoch (seconds, UTC)
1	illuminance	(lux)
2	uv	(index)
3	rain accumulation	rain accumulation during the reporting interval (mm)
4	wind lull	(m/s)
5	wind average	(m/s)
6	wind gust	(m/s)
7	wind direction	(degrees)
8	battery	(volts)
9	reporting interval	(minutes)
10	solar radiation	(W/m²)
11	local day rain accumulation	midnight to midnight rain accumulation in the station's timezone (mm)
12	precipitation type	0 = none, 1 = rain, 2 = hail, 3 = rain + hail (experimental)
13	wind sample interval	(seconds)
14	Nearcast rain accumulation	Nearcast rain accumulation during the reporting interval (mm)
15	local day Nearcast rain accumulation	midnight to midnight Nearcast rain accumulation in the station's timezone (mm)
16	precipitation analysis type	0 = none, 1 = Nearcast value with display on, 2 = Nearcast value with display off

A summary of observation data collected from midnight to midnight in the station's local timezone. Denoted in API responses with type obs_sky_ext.

Index	Parameter	Description
0	timestamp	Epoch (seconds, UTC)
1	average illuminance	(lux)
2	average UV	(index)
3	local day rain accumulation	(mm)
4	wind lull	(m/s)
5	average wind speed	(m/s)
6	wind gust	(m/s)
7	average wind direction	(degrees)
8	highest illuminance	(lux)
9	lowest illuminance	(lux)
10	highest UV	(index)
11	lowest UV	(index)
12	record count
13	average solar radiation	(W/m²)
14	highest solar radiation	(W/m²)
15	lowest solar radiation	(W/m²)
16	battery	(volts)
17	local day Nearcast rain accumulation	(mm)
18	precipitation analysis type	0 = none, 1 = Nearcast value with display on, 2 = Nearcast value with display off
19	local day precipitation minutes	(minutes)
20	wind sample interval	(seconds)
21	precipitation type	0 = none, 1 = rain, 2 = hail, 3 = rain + hail (experimental)
21	local day Nearcast precipitation minutes	(minutes)

Denoted in API responses with type evt_strike.

Denoted in API responses with type rapid_wind.