Figure 3.
Distinct spatio-temporal modes of estimated West Nile virus seasonality, Israel, 2016–18 (n = 262)
Panel A shows the two clusters resulting from the correlation-based clustering analysis of the index P time series (from all 81 meteorological stations).
Panel B shows modes of seasonality according to each cluster, where thinner lines are the index P series of each station coloured according to their cluster, bold lines are the mean and shaded areas the standard deviation.
In panel C, Cluster 2 (red) along the Rift Valley included eight stations: Beit Haarava, Eilat, Ein Gedi, Gilgal, Hazeva, Paran, Sedom and Yotvata, while two stations along the central-southern regions of the Rift Valley (Metzoke Dragot and Neot Smadar) belonged to Cluster 1 and had exceptionally high altitude (marked with blue arrows).
