Jefferson said, "I make my observations as early as possible in the morning and again about 4 o'clock in the afternoon." You'll make yours anytime with our accurate, easy to read thermometer. Solid brass housing handles outdoor use in stride and weathers to a rich, dark patina over time. Swing arm lets you read it from different vantage points. 3 1/2" hanging arm, 4 1/8" dia.