Historical

Data fields for the historical weather API:

Field	Values (Metric, Imperial)	Availability
`temperature` The "real" temperature measurement (at 2m)	Celsius [-90,60] Fahrenheit	F: January 1st 2000 till -7 days. I: H A: WW Land Aggregations: Max, Min, Avg, P95, P50, P5. i.e `temperatureMax` P: -
`dewPoint` The temperature to which air must be cooled to become saturated with water vapor (at 2m)	Celsius [0,100] Fahrenheit	F: January 1st 2000 till -7 days. I: H A: WW Land Aggregations: Max, Min, Avg, P95, P50, P5. i.e `dewPointMax` P: -
`humidity` The concentration of water vapor present in the air	%	F: January 1st 2000 till -7 days. I: H A: WW Land Aggregations: Max, Min, Avg, P95, P50, P5. i.e `humidityMax` P: -
`windSpeed` The fundamental atmospheric quantity caused by air moving from high to low pressure, usually due to changes in temperature at 10m	m/s mph	F: January 1st 2000 till -7 days. I: H A: WW Land Aggregations: Max, Min, Avg, P95, P50, P5. i.e `windSpeedMax` P: -
`windSpeed100` The fundamental atmospheric quantity caused by air moving from high to low pressure, usually due to changes in temperature at 100m	m/s mph	F: January 1st 2000 till -7 days. I: H A: WW Land Aggregations: Max, Min, Avg, P95, P50, P5. i.e `windSpeed100Max` P: -
`windDirection` The direction from which it originates, measured in degrees clockwise from due north at 10m	degrees or null	F: January 1st 2000 till -7 days. I: H A: WW Land Aggregations: Avg. i.e `windDirectionAvg` P: -
`windDirection100` The direction from which it originates, measured in degrees clockwise from due north at 100m	degrees or null	F: January 1st 2000 till -7 days. I: H A: WW Land Aggregations: Avg. i.e `windDirection100Avg` P: -
`windGust` The maximum brief increase in the speed of the wind, usually less than 20 seconds (at 10m)	m/s mph	F: January 1st 2000 till -7 days. I: H A: WW Land Aggregations: Max, Min, Avg, P95, P50, P5. i.e `windGustMax` P:-
`pressureSurfaceLevel` The force exerted against a surface by the weight of the air above the surface (at the surface level)	hPa inHg	F: January 1st 2000 till -7 days. I: H A: WW Land Aggregations: Max, Min, Avg, P95, P50, P5. i.e `pressureSurfaceLevelMax` P: -
`totalPrecipitationAccumulation` The total amount of precipitation that has occurred within a given timeframe. This field will be deprecated. Use`precipitationAccumulation` instead. For daily sum, use `precipitationAccumulationSum`	mm in	F: January 1st 2000 till -7 days. I: H A: WW Land Aggregations: Max, Min, Avg, P95, P50, P5. i.e `totalPrecipitationAccumulationMax` P: -
`precipitationAccumulation` The amount of precipitation accumulated every hour within a given timeframe.	mm in	F: January 1st 2000 till -7 days. I: H A: WW Land Aggregations: Sum, Max, Min, Avg, P95, P50, P5. i.e `precipitationAccumulationSum` P: -
`et0` ET0 (evapotranspiration) The amount of water extracted from the different soil layers.	mm in	F: January 1st 2000 till -90 days. I: H A: WW Land Aggregations: Max, Min, Avg, P95, P50, P5. i.e `et0Max` P: -
`snowAccumulation` The 'liquid water equivalent' of accumulated amount of new snowfall that has occurred over the last hour of the requested time Will always return hourly data and does not aggregate - eg. if you request snowAccumulationMax over a daily timestep, the max hourly value of that day will be returned, not the accumulation for the whole day.	mm of LWE in of LWE	F: January 1st 2000 till -7 days. I: H A: East Africa Land Aggregations: Max, Min, Avg, P95, P50, P5. i.e `snowAccumulationMax` P: -
`potentialEvaporation` An indication of the maximum possible evaporation	mm in	F: January 1st 2000 till -7 days. I: H A: WW Land Aggregations: Sum, Max, Min, Avg, P95, P50, P5. i.e `potentialEvaporationMax` P:-
`evaporationFromVegetationTranspiration` The amount of evaporation from vegetation transpiration Will be deprecated. Use`evaporationVegetationTranspiration` instead. For daily sum, use `evaporationVegetationTranspirationSum`	mm in	F: January 1st 2000 till -90 days. I: H A: WW Land Aggregations: Max, Min, Avg, P95, P50, P5. i.e `evaporationFromVegetationTranspirationMax P: -
`evaporationVegetationTranspiration` The amount of evaporation from vegetation transpiration	mm in	F: January 1st 2000 till -90 days. I: H A: WW Land Aggregations: Sum, Max, Min, Avg, P95, P50, P5. i.e `evaporationVegetationTranspiration` P: -
`snowAccumulationLwe` The 'liquid water equivalent' of accumulated amount of new snowfall that has occurred over the last hour of the requested time	mm of LWE in of LWE	F: January 1st 2000 till -7 days. I: H A: WW Land Aggregations: Max, Min, Avg, P95, P50, P5. i.e `snowAccumulationLweMax` P: -
`cloudCover` Cloud cover represents the percentage of total cloud cover present occurring at all levels throughout the atmosphere for the reanalysis grid box of which a location/or locations reside.	%	F: January 1st 2000 till -7 days. I: H A: WW Land Aggregations: Max, Min, Avg, P95, P50, P5. i.e `cloudCoverMax` P: -
`solarGHI` The total amount of shortwave radiation received from above by a surface horizontal to the ground.	W/m^2 Btu/ft2	F: January 1st 2000 till -7 days. I: H A: WW Aggregations: Max, Min, Avg P: -
`solarDNI` The diffuse (i.e., scattered) component of GHI reaching the surface of the earth at each point	W/m^2 Btu/ft2	F: January 1st 2000 till -7 days. I: H A: WW Aggregations: Max, Min, Avg P: -
`solarDHI` The direct component of GHI reaching the surface of the earth at each point	W/m^2 Btu/ft2	F: January 1st 2000 till -7 days. I: H A: WW Aggregations: Max, Min, Avg P: -

Calculated daily fields:

Field

Field	Values (Metric, Imperial)	Availability
`sunriseTime` The daily appearance of the Sun on the horizon due to Earth's rotation	UTC ISO-8601	F: January 1st 2000 till -7 days. I: H A: WW Land P: -
`sunsetTime` The daily disappearance of the Sun below the horizon due to Earth's rotation	UTC ISO-8601	F: January 1st 2000 till -7 days. I: H A: WW Land P: -
`moonPhase` The shape of the directly sunlit portion of the Moon as viewed from Earth	0: New (0.0625-0.9375) 1: Waxing Crescent (0.0625-0.1875) 2: First Quarter (0.1875-0.3125) 3: Waxing Gibbous (0.3125-0.4375) 4: Full (0.4375-0.5625) 5: Waning Gibbous (0.5625-0.6875) 6: Third Quarter (0.6875-0.8125) 7: Waning Crescent (0.8125-0.9375)	F: January 1st 2000 till -7 days. I: H A: WW Land P: -

Values

(Metric, Imperial)

Availability

sunriseTime

The daily appearance of the Sun on the horizon due to Earth's rotation

UTC ISO-8601

F: January 1st 2000 till -7 days.
I: H
A: WW Land
P: -

sunsetTime

The daily disappearance of the Sun below the horizon due to Earth's rotation

UTC ISO-8601

F: January 1st 2000 till -7 days.
I: H
A: WW Land
P: -

moonPhase

The shape of the directly sunlit portion of the Moon as viewed from Earth

0: New (0.0625-0.9375)
1: Waxing Crescent (0.0625-0.1875)
2: First Quarter (0.1875-0.3125)
3: Waxing Gibbous (0.3125-0.4375)
4: Full (0.4375-0.5625)
5: Waning Gibbous (0.5625-0.6875)
6: Third Quarter (0.6875-0.8125)
7: Waning Crescent (0.8125-0.9375)

F: January 1st 2000 till -7 days.
I: H
A: WW Land
P: -