Direct normal irradiation, Beyla
- Mean
- 4.70 kWh/m²/day
- Annual total
- 1,718 kWh/m²/yr
- Highest
- January (6.43)
- Lowest
- August (3.53)
- Year-to-year variability
- ± 0.124 (2.6 %)
- 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 (4.70 kWh/m²/day).
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 6.20 | 4.91 | 4.45 | 4.37 | 4.09 | 3.65 | 4.00 | 3.46 | 4.58 | 3.96 | 4.84 | 6.36 | 4.57 |
| 2022 | 6.58 | 5.74 | 4.11 | 4.15 | 3.96 | 4.36 | 3.64 | 3.91 | 4.27 | 4.50 | 5.44 | 5.97 | 4.72 |
| 2021 | 6.43 | 5.24 | 4.00 | 4.23 | 4.57 | 4.67 | 3.51 | 3.53 | 4.14 | 5.53 | 6.29 | 5.68 | 4.82 |
| Median | 6.43 | 5.24 | 4.11 | 4.23 | 4.09 | 4.36 | 3.64 | 3.53 | 4.27 | 4.50 | 5.44 | 5.97 | |
| P10 | 6.24 | 4.97 | 4.02 | 4.16 | 3.99 | 3.79 | 3.53 | 3.47 | 4.17 | 4.07 | 4.96 | 5.74 | |
| P90 | 6.55 | 5.64 | 4.38 | 4.34 | 4.48 | 4.61 | 3.93 | 3.83 | 4.52 | 5.33 | 6.12 | 6.28 | |
| Min. | 6.20 | 4.91 | 4.00 | 4.15 | 3.96 | 3.65 | 3.51 | 3.46 | 4.14 | 3.96 | 4.84 | 5.68 | |
| Max. | 6.58 | 5.74 | 4.45 | 4.37 | 4.57 | 4.67 | 4.00 | 3.91 | 4.58 | 5.53 | 6.29 | 6.36 |
CSV file
36 rows, 1 KB. Columns: period, value, unit, confidence level, status.
annee,mois,valeur,unite,niveau_confiance,statut 2021,1,6.4269,kWh/m²/jour,B,brut 2021,2,5.2414,kWh/m²/jour,B,brut 2021,3,3.9989,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_beyla_dni_cams_2021_2023?format=csv"
Python
Read the published file directly with pandas.
import pandas as pd url = "https://kumascience.com/data/guinee/beyla/dni_cams_radiation_mensuel_2754.csv" df = pd.read_csv(url) df.head()
Same variable, other sources
4 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 | 2.974.70 |
|---|---|---|---|---|---|
| NASA POWER | 2001-2020 | monthly | 2.97 | −37.0 % | |
| CAMS Radiation | 2004-2020 | monthly | 4.44 | −5.6 % | |
| CAMS Radiation this record | 2021-2023 | monthly | 4.70 | reference | |
| NASA POWER | 2021-2025 | daily | 3.11 | −34.0 % |
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, Beyla (Guinea), 2021-2023. CAMS Radiation series, Guinea national energy data reference. DOI 10.5281/zenodo.21051755. https://kumascience.com/en/donnees/gin_beyla_dni_cams_2021_2023
@misc{kuma_gin_beyla_dni_cams_2021_2023,
author = {{Kuma Science}},
title = {Direct normal irradiation, Beyla (Guinea), 2021-2023},
year = {2026},
howpublished = {CAMS Radiation series},
doi = {10.5281/zenodo.21051755},
url = {https://kumascience.com/en/donnees/gin_beyla_dni_cams_2021_2023},
note = {License CC-BY 4.0}
}TY - DATA AU - Kuma Science TI - Direct normal irradiation, Beyla (Guinea), 2021-2023 PY - 2026 PB - Kuma Science DO - 10.5281/zenodo.21051755 UR - https://kumascience.com/en/donnees/gin_beyla_dni_cams_2021_2023 N1 - CAMS Radiation ER -
Also cite the primary source, whose licence applies to the published values.
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