county_aggregates2: Get county level output from

Description

Function aggregates gage-level output into county-level output. This is the same as the county_aggregates function but it summarizes by county and date range instead of just county.

Usage

county_aggregates2(flood_stats, county_cd)

Arguments

flood_stats

Data frame of gage-level output from flood_analysis function.

county_cd

Character vector with the county FIPS code(s)

Value

A data frame with the following columns:

Name	Type	Description
county_cd	character	FIPS code of gage county location
start_date	date	Input start date
end_date	date	Input end date
county	character	County name
state	character	State name
num_gage	numeric	Number of analyzed gages in county
max_peak	numeric	Maximum observed flood ratio
avg_peak	numeric	Average flood ratio among county gages
minor	numeric	Percentage of gages at or above "minor" flood class (flood ratio > 1)
moderate	numeric	Percentage of gages at or above "moderate" flood class (flood ratio > 1.5)
major	numeric	Percentage of gages at or above "major" flood class (flood ratio > 2)
extreme	numeric	Percentage of gages at or above "extreme" flood class (flood ratio > 5)
max_dur	numeric	Maximum flood duration in county

If threshold = "NWS", the columns "minor", "moderate", "major", and "extreme" are replaced with two columns: "no_flood" and "yes_flood" which show the percentage of gages in the county with or without flooding.

Internal function used within long_term_flood function.