Selecting the time window for the time series (finer, better):

Analysis of cloud cover over the study period

Index and feature selection: class separability analysis using reference samples:

• Jeffries Matusita
• Transformed Divergence
• Bhattacharyya dis

Index and feature selection:
- Double-Fault (DF) measure

Accuracy assessment (reference year for model calibration)

Acceptable
performance

No

Annual accuracy assessment over the study period

Acceptable
performance

No

Cumulative error propagation : multiplication rule for independent events

Acceptable
performance

No