Editing Mount Washington (section)

=== Precipitation ===
[[File:Monthly Climate Normals (1991-2020) - MOUNTWASHINGTON, NH.svg|thumb|right|Climate chart for Mount Washington]]
Due in part to its high prominence, to its situation at the confluence of two major storm tracks, and to the north–south orientation of the Presidential Range ridgeline, which it crowns, Mount Washington receives high levels of precipitation, averaging an equivalent of {{convert|91.2|in|mm|sigfig=3|abbr=on}} of rain per year,{{efn|Measurable ({{convert|0.1|in|mm|abbr=on|disp=or}}) precipitation occurs on an average 210 days annually, with 26 of those days seeing {{convert|1|in|mm|abbr=on|disp=or}} or more.}} with a record high for a calendar year of {{convert|130.14|in|mm|1|abbr=on}} in 1969<ref>{{cite web| url=http://www1.ncdc.noaa.gov/pub/data/special/maxann.pdf| title=Record Maximum Annual Precipitation by State (thru 1998)| publisher=NOAA National Centers for Environmental Information| access-date=March 29, 2016| archive-date=March 4, 2016| archive-url=https://web.archive.org/web/20160304113723/http://www1.ncdc.noaa.gov/pub/data/special/maxann.pdf| url-status=live}}</ref> and a low of {{convert|71.34|in|mm|1|abbr=on}} in 1979. Monthly precipitation has ranged from {{convert|0.75|in|mm|1|abbr=on}} in October 1947 to {{convert|28.70|in|mm|1|abbr=on}} in October 2005.<ref name="Mount Washington Normals, Means, and Extremes" /> Large amounts of precipitation often fall in a short period of time: in October 1996, a record {{convert|11.07|in|mm|1|abbr=on}} of precipitation fell during a single 24-hour period. A substantial amount of this falls as snow, with a seasonal{{efn|The snow season is defined as July 1 through June 30 of the following calendar year}} average of around {{convert|280|in|m|sigfig=2}} of snow; seasonal accumulation has ranged from {{convert|75.8|in|m|abbr=on}} in 1947–48 to {{convert|566.4|in|m|abbr=on}} in 1968–69.<ref name="NWS Gray, ME" /> The record amount of snowfall in a 24-hour period, {{convert|49.3|in|cm|1|abbr=on}}, occurred in February 1969, which is also the snowiest month on record with {{convert|172.8|in|m|abbr=on}}.<ref name="Mount Washington Normals, Means, and Extremes" />
{{Mount Washington, New Hampshire weatherbox}}
{{Graph:Weather monthly history
| table=ncei.noaa.gov/weather/Mount Washington.tab
| title=Mount Washington monthly weather statistics
}}