COMosqDroughtData

Data were collected from the field. The species column indicates whether the mosquitoes were Culex pipiens (PIP) or Culex tarsalis (TAR). Prevalence gives the maximum likelihood prevalence of West Nile virus in mosquitoes of that species in that year for all collections from June through August. SEprev gives the standard error of the prevalence from June through August. The PDSI column gives the average value of the Palmer Drought Severity Index from May through August. The Abun column gives the total number of mosquitoes collected from June through August, and SEAbun gives the standard error of the number of mosquitoes across counties.