Phase of day | Solar elevation | Projection-based algorithm | Model-based algorithm | |||||
---|---|---|---|---|---|---|---|---|
Without solar elevation and phase of day | With solar elevation and phase of day | Improvement (%) | Without solar elevation and phase of data | With solar elevation and phase of day | Improvement (%) | |||
Quarter 1 | Morning | −10 to 20 | 13.9 | 12.4 | −10.7 | 13.9 | 11.8 | −15.1 |
Midday | 20 to 90 | 17.4 | 20.0 | +14.9 | 17.1 | 20.1 | +17.5 | |
Evening | −10 to 20 | 12.0 | 11.9 | −0.8 | 12.2 | 11.9 | −2.4 | |
Quarter 2 | Morning | −10 to 20 | 15.3 | 15.5 | +1.3 | 15.5 | 15.8 | +1.9 |
Midday | 20 to 90 | 16.2 | 20.1 | +24.1 | 16.0 | 20.4 | +27.5 | |
Evening | −10 to 20 | 14.2 | 14.0 | −1.4 | 13.9 | 14.0 | +0.7 | |
Quarter 3 | Morning | −10 to 20 | 13.8 | 14.1 | +2.2 | 13.5 | 14.0 | +3.7 |
Midday | 20 to 90 | 15.8 | 20.1 | +27.2 | 15.7 | 20.4 | +29.9 | |
Evening | −10 to 20 | 14.3 | 15.0 | +4.9 | 14.0 | 15.1 | +7.8 | |
Quarter 4 | Morning | −10 to 20 | 14.6 | 14.9 | +2.1 | 14.4 | 14.7 | +2.1 |
Midday | 20 to 90 | 15.0 | 19.4 | +29.3 | 14.8 | 19.5 | +31.8 | |
Evening | −10 to 20 | 13.4 | 15.1 | +12.7 | 13.3 | 15.3 | +15.0 |