weather data codebook

this file describes the field type, range, and any other necessary metadata for the weather data file "NOAA_DailyWeatherData_2009-2021.csv"
associated with the ScienceHub data entry entitled "NOAA ZCTA-level daily NC weather data (2009-2021)"
used in the data analysis presented in "Effects of Extreme Humidity and Heat on Ventricular Arrhythmia Risk in Patients With Cardiac Devices" (DOI: 10.1016/j.jacadv.2024.101463)

Variable name: description (units if applicable); range: [lower - upper]

ZCTA: 5-digit ZCTA code (no units); range: [27007 - 28909]
DATE: date in year-month-day format (no units); range: [2009-01-01 - 2021-12-31]
TEMP.Mean: mean daily temperature averaged within corresponding ZCTA on given date (degrees Celsius); range: [-23.719, 32.982]
MAX.Mean: maximum/highest daily temperature averaged within corresponding ZCTA on given date (degrees Celsius); range: [-8.804, 40.547]
MIN.Mean: mean temperature within corresponding ZCTA on given date (degrees Celsius); range: [-20.888, 28.039]
RH.Mean: mean relative humidity within corresponding ZCTA on given date (percent humidity); range: [15.04, 101.46]
DEWP.Mean: mean dewpoint within corresponding ZCTA on given date (degrees Celsius); range: [-23.651, 27.364]