Table 1.

Description of models used for West Nile virus forecasting in South Dakota.

Abbreviation	Description
Base	Baseline model with seasonal cyclical function and no mosquito or meteorological data
Mosq	Mosquito infection rate model with seasonal cyclical function
Env	Environmental model with distributed lags of untransformed meteorological variables
EnvAnom	Environmental model with seasonal cyclical function and distributed lags of meteorological anomalies
EnvSv	Environmental model with seasonally varying distributed lags of untransformed meteorological variables
EnvSvAnom	Environmental model with seasonal cyclical function and seasonally varying distributed lags of meteorological anomalies
Comb	Combined mosquito–environment model with distributed lags of untransformed meteorological variables
CombAnom	Combined mosquito–environment model with seasonal cyclical function and distributed lags of meteorological anomalies
CombSv	Combined mosquito–environment model with seasonally varying distributed lags of untransformed meteorological variables
CombSvAnom	Combined mosquito–environment model with seasonal cyclical function and seasonally varying distributed lags of meteorological anomalies
Ens2	Mean of CombAnom and CombSvAnom
Ens3	Mean of CombAnom, CombSvAnom, and Comb
Ens4	Mean of CombAnom, CombSvAnom, Comb, and CombSv

Note: Each row describes 1 of 13 models. The abbreviation for each model is used in the article text, tables, and figures. The description includes the distinctive components of each model. Each model contains a county-level fixed effect term in addition to the components listed in the description.