Direct normal irradiation, Kaloum
- Mean
- 3.65 kWh/m²/day
- Annual total
- 1,333 kWh/m²/yr
- Highest
- January (4.82)
- Lowest
- August (2.20)
- Year-to-year variability
- ± 0.077 (2.1 %)
- Values
- 36 months
- Period mean
- Month above its normal
- Month below
- 12-month moving average
Drag across the chart to zoom, double-click to reset.
For each month, over 3 years: median, low and high years (P10 to P90) and extreme values.
- Median
- Low and high years (P10 to P90)
- Extreme values (min. to max.)
Mean of each complete year, as a gap to the period mean (3.65 kWh/m²/day).
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 5.59 | 4.42 | 4.92 | 3.64 | 2.57 | 2.70 | 2.84 | 2.25 | 3.21 | 3.61 | 4.18 | 4.82 | 3.73 |
| 2022 | 4.82 | 4.69 | 4.18 | 3.87 | 2.95 | 3.29 | 2.23 | 1.87 | 2.57 | 3.91 | 4.09 | 4.42 | 3.57 |
| 2021 | 4.74 | 3.97 | 3.72 | 3.55 | 2.95 | 3.02 | 2.44 | 2.20 | 3.96 | 4.35 | 4.84 | 4.06 | 3.65 |
| Median | 4.82 | 4.42 | 4.18 | 3.64 | 2.95 | 3.02 | 2.44 | 2.20 | 3.21 | 3.91 | 4.18 | 4.42 | |
| P10 | 4.76 | 4.06 | 3.81 | 3.57 | 2.64 | 2.76 | 2.27 | 1.94 | 2.70 | 3.67 | 4.11 | 4.13 | |
| P90 | 5.44 | 4.64 | 4.77 | 3.83 | 2.95 | 3.23 | 2.76 | 2.24 | 3.81 | 4.26 | 4.71 | 4.74 | |
| Min. | 4.74 | 3.97 | 3.72 | 3.55 | 2.57 | 2.70 | 2.23 | 1.87 | 2.57 | 3.61 | 4.09 | 4.06 | |
| Max. | 5.59 | 4.69 | 4.92 | 3.87 | 2.95 | 3.29 | 2.84 | 2.25 | 3.96 | 4.35 | 4.84 | 4.82 |
CSV file
36 rows, 1 KB. Columns: period, value, unit, confidence level, status.
annee,mois,valeur,unite,niveau_confiance,statut 2021,1,4.7444,kWh/m²/jour,B,brut 2021,2,3.9693,kWh/m²/jour,B,brut 2021,3,3.7208,kWh/m²/jour,B,brutDownload the CSV
API
The same series, versioned, with a free key.
curl -H "Authorization: Bearer kuma_votre_cle" \ "https://api.kumascience.com/v1/series/gin_conakry_dni_cams_2021_2023?format=csv"
Python
Read the published file directly with pandas.
import pandas as pd url = "https://kumascience.com/data/guinee/conakry_kaloum/dni_cams_radiation_mensuel_2173.csv" df = pd.read_csv(url) df.head()
Same variable, other sources
4 series published for this variable in Kaloum. The gap compares period means, which do not always cover the same years.
| Source | Period | Step | Mean (kWh/m²/day) | Gap | 3.203.70 |
|---|---|---|---|---|---|
| NASA POWER | 2001-2020 | monthly | 3.20 | −12.4 % | |
| CAMS Radiation | 2004-2020 | monthly | 3.70 | +1.2 % | |
| CAMS Radiation this record | 2021-2023 | monthly | 3.65 | reference | |
| NASA POWER | 2021-2025 | daily | 3.44 | −5.9 % |
Notes
- Source
- CAMS Radiation Service, solar radiation time-series (Copernicus Atmosphere Monitoring Service)
- Method
- Satellite model
- Unit
- kWh/m²/day
- Time step
- Monthly
- Period
- 2021-01-01 - 2023-12-31
- Kuma qualification
- Acceptable qualification, cross-check series
- Source licence
- Licence à vérifier auprès de la source amont avant réutilisation.
- Kuma licence
- CC-BY 4.0, DOI 10.5281/zenodo.21051755
Cite this series
Kuma Science (2026). Direct normal irradiation, Kaloum (Guinea), 2021-2023. CAMS Radiation series, Guinea national energy data reference. DOI 10.5281/zenodo.21051755. https://kumascience.com/en/donnees/gin_conakry_dni_cams_2021_2023
@misc{kuma_gin_conakry_dni_cams_2021_2023,
author = {{Kuma Science}},
title = {Direct normal irradiation, Kaloum (Guinea), 2021-2023},
year = {2026},
howpublished = {CAMS Radiation series},
doi = {10.5281/zenodo.21051755},
url = {https://kumascience.com/en/donnees/gin_conakry_dni_cams_2021_2023},
note = {License CC-BY 4.0}
}TY - DATA AU - Kuma Science TI - Direct normal irradiation, Kaloum (Guinea), 2021-2023 PY - 2026 PB - Kuma Science DO - 10.5281/zenodo.21051755 UR - https://kumascience.com/en/donnees/gin_conakry_dni_cams_2021_2023 N1 - CAMS Radiation ER -
Also cite the primary source, whose licence applies to the published values.
Astuce pratique · Pour citer cette fiche dans un rapport BE ou un livrable client, sélectionnez le bloc ci-dessus puis copiez-collez. Le slug de la série (le code présent dans l'URL) garantit la reproductibilité : la même URL pointera vers la même série, même après mises à jour des données amont (l'historique versionné côté Data Core est préservé).
Besoin d'aller plus loin sur cette série ? Le cabinet Kuma accompagne bureaux d'études, bailleurs et porteurs de projet sur l'ingénierie énergétique appliquée · audit, dimensionnement PV, conseil stratégique.