GEOG 330 Lecture Notes - Lecture 10: Humid Subtropical Climate, Trewartha Climate Classification, United States Census Bureau
10 Mar 2018
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Intro: background, population: according to the us census bureau, the current population estimate from. July 2016 of washington, dc is about 682,000: economic activity: In civilian labor force, total, percent of population age 16 years+, 2011-2015. In civilian labor force, female, percent of population age 16 years+, 2011-2015. Total accommodation and food services sales, 2012 (,000)(c) Total health care and social assistance receipts/revenue, 2012 (,000)(c) Climate: washington is in the northern part of the humid subtropical climate zone (k ppen: cfa)[59] however, under the trewartha climate classification, the city has a temperate maritime climate (do). [60] winters are usually chilly with light snow, and summers are hot and humid. The district is in plant hardiness zone 8a near downtown, and zone 7b elsewhere in the city, indicating a humid subtropical climate. Spring and fall are mild to warm, while winter is chilly with annual snowfall averaging 15. 5 inches (39 cm).
