1. springpheno::TMAX
    Daily High Temperature data
    csv| json| rda| rds
    matrix|366 x 25
  2. springpheno::TMIN
    Daily Low Temperature data
    csv| json| rda| rds
    matrix|366 x 25
  3. springpheno::YEAR
    Years of the Data
    json| rda| rds
    integer
  4. springpheno::lat
    Latitude
    json| rda| rds
    numeric