Table 5 Seasonal mean cloud fraction, annual standard deviation, and coefficient of variation for each study site.

From: Seasonal quantile forecasting of solar photovoltaic power using Q-CNN-GRU

Site

Spring

Summer

Autumn

Winter

Annual standard deviation

coefficient of variation

Utrecht, Netherlands

0.641

0.693

0.714

0.742

0.042

0.480

Alice Springs, Australia

0.245

0.166

0.232

0.352

0.078

1.366

Hebei Province, China

0.398

0.566

0.372

0.254

0.134

1.047