Kaloum | 2001-2020

Direct normal irradiation

Direct normal irradiation measurements at Kaloum, 2001-2020, through satellite model (NASA POWER | Prediction Of Worldwide Energy Resources). The series note below sums up the window, the method and the confidence grade.

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Metadata

The series' technical identity

Location: GIN | Kaloum
Variable: Direct normal irradiation (kWh/m²/day)
Upstream source: NASA POWER | Prediction Of Worldwide Energy Resources : Solar and Meteorological Data Archive
Period: 2001-01-01 - 2020-12-31
Kuma layer: Layer BSubstrate | Cross-check
Confidence grade: Conf. B | B | acceptable qualification

Series note

Direct normal irradiation at Kaloum (Guinea), over the period 2001-2020. Obtained through satellite model, source NASA POWER | Prediction Of Worldwide Energy Resources. Values in kWh/m²/day | Kuma confidence grade B (acceptable qualification).

Climatology

Change over time

Monthly data

Monthly time series

Monthly series 2001-01 → 2020-12 · mean 3.2kWh/m²/day

Source: NASA POWER · Prediction Of Worldwide Energy Resources : Solar and Meteorological Data Archive. Monthly values provided by the upstream producer.

Distribution

Seasonal and monthly variability

Seasonality

Monthly seasonal profile

Seasonal profile 2001–2020 · typical value per month

Highest value in February (4.49kWh/m²/day), lowest in August (1.4kWh/m²/day). The band shows year-to-year variability. Source: NASA POWER · Prediction Of Worldwide Energy Resources : Solar and Meteorological Data Archive.

How to cite

Suggested citation

Kuma Science (2026). Series catalog, gin_conakry_dni_power_2001_2020. Primary source : NASA POWER | Prediction Of Worldwide Energy Resources : Solar and Meteorological Data Archive (https://power.larc.nasa.gov/). Kuma confidence grade : B. Layer : B ( Cross-check). Accessed on 2026-07-20.

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Upstream source

Data origin and license

This series is derived from NASA POWER | Prediction Of Worldwide Energy Resources : Solar and Meteorological Data Archive . License : NASA Open Data Policy · domaine public, citation recommandée.

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