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Glaciers remain year-round on some Cascade peaks higher than 7,000 feet (2,100 m) above sea level. [3] Annual snowfall along the coastal plain averages 1 to 3 inches (2.5 to 7.6 cm) a year, including years with none. Further inland, between the Coast Range and the Cascades, snowfall generally averages from 5 to 10 inches (13 to 25 cm) a year.
Over the contiguous United States, total annual precipitation increased at an average rate of 6.1 percent per century since 1900, with the greatest increases within the East North Central climate region (11.6 percent per century) and the South (11.1 percent). Hawaii was the only region to show a decrease (−9.25 percent). [ 89]
The National Oceanic and Atmospheric Administration (abbreviated as NOAA / ˈ n oʊ. ə / NOH-ə) is a US scientific and regulatory agency charged with forecasting weather, monitoring oceanic and atmospheric conditions, charting the seas, conducting deep-sea exploration, and managing fishing and protection of marine mammals and endangered species in the US exclusive economic zone.
Climate change. Based on the ERA5 data published by ECMWF, the annual mean temperature of Anchorage has increased from 0.8 °C in 1940 to 3.8 °C in 2022, an increase of 3 °C. [ 8] The mayor and the assembly of Anchorage in 2019 issued a climate action plan for the anticipated effects that climate change will have on its city and people. [ 9]
NOAA's Global and Regional Sea Level Rise Scenarios said in February 2022 that relative sea level along the contiguous U.S. coastline is expected to rise on average as much over the next 30 years—25 to 30 centimetres (9.8 to 11.8 in)—as it has over the preceding 100 years.
New York City Climate according to major climate systems. In the Holdridge life zones system, having a mean annual biotemperature above 53.6 °F (12 °C) and mean annual precipitation above 39.4 inches (1,000 mm), New York City features a warm temperate moist forest climate. [ 12] By the Trewartha classification, the city is defined as having ...
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On average, even the coldest month of January is generally mild, with an average high of 57.7 °F (14.3 °C) and low of 37.9 °F (3.3 °C). Based on 1991-2020 climate data, the average coldest temperature for an entire year is about 19.1 °F (−7.2 °C), placing Dallas in USDA zone 8b. The all-time recorded low is −3 °F (−19 °C) on ...