Data includes date of collection, year of collection, and average air temperature in Madison, WI. Daily meteorological data was collected from various sites around Madison, WI since 1869. The final temperature data included is averaged for each year. Note: according to the metadata, temperature data collected prior to 1884 contains biases.

ntl_airtemp

## Format

A tibble with 55151 rows and 3 variables

sampledate

a date denoting the day of collection

year

a number denoting the year of observation