setConfig (config) {
		this.config = config;
		if (!config.precipitationValue || ["pmin", "pmean", "pmedian", "pmax"].indexOf(config.precipitationValue) === -1) {
			Log.log(`invalid or not set: ${config.precipitationValue}`);
			config.precipitationValue = this.defaults.precipitationValue;
		}
	}
Overrides method for setting config with checks for the precipitationValue being unset or invalid
@param {object} config The configuration object