Diffuse fraction, Beyla

Beyla, Guinea
2001-2020
Monthly
dimensionless
Kuma computation

Mean: 0.489 dimensionless
Seasonal range: 0.171 dimensionless
Highest: July (0.562)
Lowest: December (0.392)
Year-to-year variability: ± 0.010 (2.0 %)
Values: 260 months

Monthly value
12-month moving average
Period mean

Drag across the chart to zoom, double-click to reset.

Diffuse fraction, dimensionless
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2020	0.439	0.443	0.493	0.509	0.498	0.534	0.579	0.558	0.525	0.429	0.363	0.382	0.479
2019	0.358	0.420	0.455	0.515	0.491	0.535	0.563	0.560	0.563	0.499	0.403	0.321	0.474
2018	0.472	0.484	0.451	0.521	0.521	0.556	0.562	0.591	0.549	0.477	0.471	0.354	0.501
2017	0.348	0.487	0.461	0.485	0.531	0.538	0.537	0.560	0.523	0.433	0.448	0.453	0.484
2016	0.477	0.534	0.433	0.461	0.513	0.533	0.572	0.568	0.536	0.490	0.465	0.439	0.502
2015	0.474	0.421	0.466	0.539	0.498	0.575	0.549	0.567	0.524	0.471	0.400	0.472	0.497
2014	0.424	0.447	0.499	0.463	0.512	0.543	0.543	0.577	0.533	0.459	0.459	0.379	0.487
2013	0.379	0.437	0.441	0.465	0.518	0.538	0.524	0.578	0.522	0.493	0.401	0.366	0.472
2012	0.383	0.503	0.545	0.495	0.510	0.556	0.568	0.544	0.529	0.502	0.442	0.385	0.497
2011	0.492	0.411	0.464	0.500	0.501	0.560	0.567	0.565	0.515	0.486	0.420	0.417	0.491
2010	0.370	0.425	0.546	0.534	0.531	0.547	0.569	0.557	0.552	0.514	0.443	0.428	0.501
2009	0.428	0.495	0.487	0.486	0.497	0.532	0.557	0.584	0.524	0.503	0.425	0.398	0.493
2008	0.370	0.533	0.486	0.541	0.513	0.538	0.569	0.564	0.559	0.496	0.438	0.404	0.501
2007	0.544	0.445	0.522	0.517	0.512	0.494	0.531	0.553	0.547	0.473	0.448	0.406	0.500
2006	0.382	0.422	0.477	0.530	0.522	0.538	0.535	0.535	0.537	0.465	0.387	0.407	0.478
2005	0.513	0.494	0.489	0.506	0.509	0.561	0.514	0.540	0.490	0.458	0.461	0.374	0.492
2004	0.401	0.538	0.562	0.542	0.538	0.539	0.533	0.509	0.484	0.433	0.427	0.441	0.496
2003	0.415	0.398	0.458	0.470	0.494	0.574	0.585	0.609	0.526	0.458	0.445	0.370	0.484
2002	0.434	0.423	0.462	0.513	0.500	0.545	0.564	0.548	0.519	0.447	0.413	0.362	0.477
2001	0.395	0.436	0.438	0.488	0.503	0.553	0.592	0.591	0.539	0.472	0.455	0.363	0.486
Median	0.420	0.444	0.471	0.508	0.511	0.541	0.562	0.562	0.527	0.473	0.440	0.392
P10	0.369	0.419	0.440	0.464	0.497	0.533	0.530	0.539	0.513	0.433	0.398	0.362
P90	0.494	0.533	0.545	0.540	0.531	0.562	0.579	0.591	0.553	0.502	0.461	0.442
Min.	0.348	0.398	0.433	0.461	0.491	0.494	0.514	0.509	0.484	0.429	0.363	0.321
Max.	0.544	0.538	0.562	0.542	0.538	0.575	0.592	0.609	0.563	0.514	0.471	0.472

CSV file

260 rows, 10 KB. Columns: period, value, unit, confidence level, status.

periode_type,annee_debut,annee_fin,mois,version_formule,valeur,unite,niveau_confiance,statut
annuel,2001,2001,,1,0.481501,1,B,brut
mensuel,2001,2001,1,1,0.395412,1,B,brut
mensuel,2001,2001,2,1,0.4357,1,B,brut

Download 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_beyla_fraction_diffuse_kuma_calculs_2001_2020?format=csv"

Try it in the console

Python

Read the published file directly with pandas.

import pandas as pd

url = "https://kumascience.com/data/guinee/beyla/fraction_diffuse.csv"
df = pd.read_csv(url)
df.head()

Open the Python workbench

Same variable, other sources

2 series published for this variable in Beyla. The gap compares period means, which do not always cover the same years.

Source	Period	Step	Mean (dimensionless)	Gap	0.4780.489
Kuma computation this record	2001-2020	monthly	0.489	reference
Kuma computation	2021-2025	monthly	0.478	−2.3 %

Notes

Source: Kuma Science, Internal calculations layer
Method: Kuma-derived computation
Unit: dimensionless
Time step: Monthly
Period: 2001-01-01 - 2020-12-31
Kuma qualification: Acceptable qualification, series derived by computation
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). Diffuse fraction, Beyla (Guinea), 2001-2020. Kuma computation series, Guinea national energy data reference. DOI 10.5281/zenodo.21051755. https://kumascience.com/en/donnees/gin_beyla_fraction_diffuse_kuma_calculs_2001_2020

@misc{kuma_gin_beyla_fraction_diffuse_kuma_calculs_2001_2020,
  author       = {{Kuma Science}},
  title        = {Diffuse fraction, Beyla (Guinea), 2001-2020},
  year         = {2026},
  howpublished = {Kuma computation series},
  doi          = {10.5281/zenodo.21051755},
  url          = {https://kumascience.com/en/donnees/gin_beyla_fraction_diffuse_kuma_calculs_2001_2020},
  note         = {License CC-BY 4.0}
}

TY  - DATA
AU  - Kuma Science
TI  - Diffuse fraction, Beyla (Guinea), 2001-2020
PY  - 2026
PB  - Kuma Science
DO  - 10.5281/zenodo.21051755
UR  - https://kumascience.com/en/donnees/gin_beyla_fraction_diffuse_kuma_calculs_2001_2020
N1  - Kuma computation
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.

Découvrir nos services →