Fig. 1From: Association of spring-summer hydrology and meteorology with human West Nile virus infection in West Texas, USA, 2002–2016Map of annual precipitation in Texas, 2002 to 2016. Counties left of dashed-line grouped as west Texas (106°14'30"W to 98°30'150"W). Polygons represent counties and their annual precipitation average from 2002 to 2012: red (127–254 mm); orange (255–381 mm); green (382–508 mm); and blue (more than 508 mm)Back to article page