Author, Unknown. "Home Page." CoCoRaHS, www.cocorahs.org/. Accessed 22 May 2019. ---. "Past-Climate." NOAA Climate.gov, date unknown, www.climate.gov/maps-data/ primer/past-climate. Accessed 22 May 2019. ---. "Troposphere Facts." SoftSchools.com, date unknown, www.softschools.com/ facts/weather/troposphere_facts/2202/. Accessed 20 May 2019. Clark, and Lewis. "Home Page." Journals of the Lewis and Clark Expedition, 30 Aug. 1803, lewisandclarkjournals.unl.edu/item/lc.jrn.1804-01-31-1. Accessed 22 May 2019. Erickson, Kristen. "Troposphere." NASA Space Place, 1 May 2019, spaceplace.nasa.gov/troposphere/en/. Accessed 20 May 2019. Przyborski, Paul, editor. "Home Page." NASA Earth Observations, date unknown, neo.sci.gsfc.nasa.gov/. Accessed 22 May 2019. ---, editor. "World of Change: Arctic Sea Ice." NASA Earth Observatory, 2017, earthobservatory.nasa.gov/world-of-change/SeaIce. Accessed 3 June 2019. Runkle, Jennifer, and Kenneth E. Kunkel. "New Hampshire." NICS, 2019, statesummaries.ncics.org/chapter/nh/. Accessed 20 May 2019. Stanton, Lucia. "Weather Observations." Monticello, 5 Nov. 1982, www.monticello.org/site/research-and-collections/weather-observations. Accessed 22 May 2019. Unknown, Author. "Contoocook, NH 10-Day Forecast." Weather Underground, 16 May 2019, www.wunderground.com/forecast/KNHCONTO1?cm_ven=localwx_10day. Accessed 16 May 2019. Weather symbols p.png. 16 Aug. 2011, commons.wikimedia.org/wiki/ File:Weather_symbols_p.png. Accessed 11 June 2019.