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.
Mean of each complete year, as a gap to the period mean (5.72 kWh/m²/day).
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 6.20 | 6.17 | 5.84 | 6.12 | 5.95 | 4.98 | 5.24 | 5.09 | 5.67 | 5.35 | 5.42 | 6.00 | 5.67 |
| 2022 | 6.32 | 6.53 | 6.22 | 6.29 | 5.74 | 5.43 | 4.79 | 5.04 | 5.29 | 5.62 | 5.69 | 5.82 | 5.73 |
| 2021 | 6.19 | 6.09 | 6.11 | 6.14 | 5.96 | 5.48 | 4.63 | 5.07 | 5.55 | 5.87 | 5.99 | 6.00 | 5.76 |
| Median | 6.20 | 6.17 | 6.11 | 6.14 | 5.95 | 5.43 | 4.79 | 5.07 | 5.55 | 5.62 | 5.69 | 6.00 | |
| P10 | 6.19 | 6.11 | 5.89 | 6.12 | 5.78 | 5.07 | 4.66 | 5.05 | 5.34 | 5.41 | 5.47 | 5.86 | |
| P90 | 6.29 | 6.46 | 6.20 | 6.26 | 5.96 | 5.47 | 5.15 | 5.09 | 5.65 | 5.82 | 5.93 | 6.00 | |
| Min. | 6.19 | 6.09 | 5.84 | 6.12 | 5.74 | 4.98 | 4.63 | 5.04 | 5.29 | 5.35 | 5.42 | 5.82 | |
| Max. | 6.32 | 6.53 | 6.22 | 6.29 | 5.96 | 5.48 | 5.24 | 5.09 | 5.67 | 5.87 | 5.99 | 6.00 |
36 rows, 1 KB. Columns: period, value, unit, confidence level, status.
annee,mois,valeur,unite,niveau_confiance,statut 2021,1,6.18806,kWh/m²/jour,B,brut 2021,2,6.09286,kWh/m²/jour,B,brut 2021,3,6.10677,kWh/m²/jour,B,brutDownload the CSV
The same series, versioned, with a free key.
curl -H "Authorization: Bearer kuma_votre_cle" \ "https://api.kumascience.com/v1/series/gin_beyla_ghi_sarah3_2021_2023?format=csv"
Read the published file directly with pandas.
import pandas as pd url = "https://kumascience.com/data/guinee/beyla/ghi_sarah3_monthly_mensuel_2726.csv" df = pd.read_csv(url) df.head()
5 series published for this variable in Beyla. The gap compares period means, which do not always cover the same years.
| Source | Period | Step | Mean (kWh/m²/day) | Gap | 5.165.72 |
|---|---|---|---|---|---|
| NASA POWER | 1991-2020 | monthly | 5.24 | −8.3 % | |
| ERA5-Land | 2001-2020 | monthly | 5.16 | −9.8 % | |
| PVGIS-SARAH-3 this record | 2021-2023 | monthly | 5.72 | reference | |
| ERA5-Land | 2021-2025 | daily | 5.25 | −8.2 % | |
| NASA POWER | 2021-2025 | daily | 5.24 | −8.4 % |
Cross-source
Mean relative deviation PVGIS-SARAH3 ICDR − NASA POWER:
+9.2% (σ = 3.33%). The Kuma quantity ecart_relatif_referentiel
embodies this satellite cross-check (layer B).
Kuma Science (2026). Global horizontal irradiation, Beyla (Guinea), 2021-2023. PVGIS-SARAH-3 series, Guinea national energy data reference. DOI 10.5281/zenodo.21051755. https://kumascience.com/en/donnees/gin_beyla_ghi_sarah3_2021_2023
@misc{kuma_gin_beyla_ghi_sarah3_2021_2023,
author = {{Kuma Science}},
title = {Global horizontal irradiation, Beyla (Guinea), 2021-2023},
year = {2026},
howpublished = {PVGIS-SARAH-3 series},
doi = {10.5281/zenodo.21051755},
url = {https://kumascience.com/en/donnees/gin_beyla_ghi_sarah3_2021_2023},
note = {License CC-BY 4.0}
}TY - DATA AU - Kuma Science TI - Global horizontal irradiation, Beyla (Guinea), 2021-2023 PY - 2026 PB - Kuma Science DO - 10.5281/zenodo.21051755 UR - https://kumascience.com/en/donnees/gin_beyla_ghi_sarah3_2021_2023 N1 - PVGIS-SARAH-3 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).
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