A humid continental climate is a climatic region defined by Russo-German climatologist Wladimir Köppen in 1900, typified by four distinct seasons and large seasonal temperature differences, with warm to hot (and often humid) summers, and cold (sometimes severely cold in the northern areas) and snowy winters. Precipitation is usually distributed throughout the year, but often these regions do have dry seasons. The definition of this climate in terms of temperature is as follows: the mean temperature of the coldest month must be below 0 °C (32.0 °F) or −3 °C (26.6 °F) depending on the isotherm, and there must be at least four months whose mean temperatures are at or above 10 °C (50 °F). In addition, the location in question must not be semi-arid or arid . The cooler Dfb , Dwb , and Dsb subtypes are also known as hemiboreal climates. Although amount of snowfall is not a factor used in defining the humid continental climate, snow during the winter in this type of climate is almost a guarantee, either intermittently throughout the winter months near the poleward or coastal margins, or persistently throughout the winter months elsewhere in the climate zone.
46-678: London Britain Township is a township in Chester County , Pennsylvania , United States. The population was 3,139 at the 2010 census . White Clay Creek Preserve is a Pennsylvania state park in London Britain Township, along White Clay Creek . On March 14, 1681, William Penn received a charter from the King of England for a grant of land to establish a colony in the New World . This colony
92-655: A Csa climate well inland to ensure hot summers and cold winters. They are generally found in the highly elevated areas of south-eastern Turkey ( Hakkâri ), north-western Iran, northern Iraq, parts of Central Asia , parts of the High Atlas mountain range in central Morocco and very small parts of the Intermountain West in the United States. This climate zone does not exist at all in the Southern Hemisphere, where
138-402: A climate is classified as humid continental when the temperature of the coldest month is below 0 °C [32.0 °F] or −3 °C [26.6 °F] and there must be at least four months whose mean temperatures are at or above 10 °C (50 °F). These temperatures were not arbitrary. In Europe, the −3 °C (27 °F) average temperature isotherm (line of equal temperature) was near
184-471: A female householder with no husband present, and 13.3% were non-families. 10.6% of all households were made up of individuals, and 2.9% had someone living alone who was 65 years of age or older. The average household size was 2.92 and the average family size was 3.15. In the township the population was spread out, with 28.9% under the age of 18, 4.6% from 18 to 24, 26.4% from 25 to 44, 32.2% from 45 to 64, and 7.8% who were 65 years of age or older. The median age
230-709: A large settlement tract established by Maryland and named after the southern province of Munster in Ireland. New Munster acted as an early genesis point and catalyst for large Scotch-Irish settlement and expansion into Chester County and points west in Pennsylvania. Lunn's Tavern and the Thompson Farm are listed on the National Register of Historic Places . According to the United States Census Bureau ,
276-704: A subarctic climate. In the Southern Hemisphere , it exists in well-defined areas only in the Southern Alps of New Zealand , in the Snowy Mountains of Australia in Kiandra, New South Wales and the Andes Mountains of Argentina and Chile . Since climate regimes tend to be dominated by vegetation of one region with relatively homogenous ecology, those that project climate change remap their results in
322-1140: A tax collector and, in many townships, a panel of three auditors who annually audit all township accounts. The supervisors or commissioners of the township appoint a secretary and a treasurer, and may also appoint a township manager to coordinate township employees and operations. County governments may provide some or all municipal services to residents of townships, regardless of class and size, including trash collection or sewage processing. Some counties, though, leave individual municipalities to provide their own services; in some instances small groups of boroughs or townships may pool their resources to provide water, police, or other functions. The main areas of local services include police and fire protection, maintenance of local roads and streets, water supply, sewage collection and treatment, parking and traffic control, local planning and zoning, parks and recreation, garbage collection, health services, libraries, licensing of businesses and code enforcement. All municipalities in Pennsylvania, however, rely on county and state organized courts for probate, criminal, and civil court services. Under
368-523: A thermal profile, but because of semi-arid precipitation portions of it are grouped into the BSk category. In Europe , it is found in much of Central Europe : Germany (in the east and southeast part of the country), Austria (generally below 700 m (2,297 ft)), Poland , Czech Republic , Slovakia , Hungary (generally above 100 m (328 ft)), Croatia (mostly Slavonia region), in much of Eastern Europe : Ukraine (the whole country except
414-497: A township of the first class and operate under the powers of the First Class Township Code, a township must have a population density of 300 inhabitants per square mile (120/km ) and voters therein must approve the change of classification in a referendum. The classes of townships differ primarily in the form of their administration. Townships of the second class are governed by a board of supervisors, elected at large by
460-542: A wintertime drought ( w ). Snowfall occurs in all areas with a humid continental climate and in many such places is more common than rain during the height of winter. In places with sufficient wintertime precipitation, the snow cover is often deep. Most summer rainfall occurs during thunderstorms , and in North America and Asia an occasional tropical cyclone (or the remnants thereof). Though humidity levels are often high in locations with humid continental climates,
506-510: Is found in northern Kazakhstan , southern Siberia , parts of Mongolia , northern China , and highland elevations in the Koreas . Like its hot-summer counterpart, these climates are typically dry in the winter and bitterly cold due to the Siberian High (often with winter temperatures comparable to their nearby subarctic climates ), while summers are warm and long enough to avoid classification as
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#1732869751815552-554: Is less seasonally uniform in the west. The western states of the western United States (namely Montana , Wyoming , parts of southern Idaho , most of Lincoln County in Eastern Washington , parts of Colorado , parts of Utah , isolated parts of northern New Mexico , western Nebraska , and parts of western North and South Dakota ) have thermal regimes which fit the Dfa climate type, but are quite dry, and are generally grouped with
598-714: Is noted during the autumn of deciduous forests. In the poleward direction, these climates transition into subarctic climates featuring short summers (and usually very cold winters) allowing only conifer trees. Moving equatorword, the hot-summer continental climates grade into humid subtropical climates (chiefly in North America and Asia) while the warm-summer continental climates grade into oceanic climates (chiefly in Europe), both of which have milder winters where average temperatures stay above 0°C (or -3°C). Some continental climates with lower precipitation (chiefly in Central Asia and
644-689: Is to be found in northern China including Manchuria and parts of North China , south-east Russia , and over much of the Korean Peninsula ; it has the Köppen classification Dwa . Much of central Asia , northwestern China , and southern Mongolia has a thermal regime similar to that of the Dfa climate type, but these regions receive so little precipitation that they are more often classified as steppes ( BSk ) or deserts ( BWk ). Dsa climates are rare; they are generally restricted to elevated areas adjacent to mid-latitude Mediterranean climate regions with
690-593: The American Midwest , and the Northeast US , the climate combines hotter summer maxima and greater humidity (similar to those found in adjacent humid subtropical climates ) and moderately cold winters and more intermittent snow cover (averaging somewhat below freezing, too cold for a more temperate classification), and is less extreme than the most inland hyper-continental variety. Using the Köppen climate classification ,
736-682: The Black Sea coast), Belarus , Russia (mostly central part of European Russia ), south and central parts of the Nordic countries not bathed by the Atlantic Ocean or North Sea : Sweden (historical regions of Svealand and Götaland ), Denmark , Finland (south end, including the three largest cities ), Norway (most populated area), all Baltic States : Estonia , Latvia , Lithuania and also in parts of: Romania (generally above 100 m (328 ft)), Bosnia and Herzegovina , Turkey and in
782-473: The Cairngorm Mountains of Scotland , (generally above 100 m (328 ft)). It has little warming or precipitation effects from the northern Atlantic. The cool summer subtype is marked by mild summers, long cold winters and less precipitation than the hot summer subtype; however, short periods of extreme heat are not uncommon. Northern Japan has a similar climate. In Asia, this climate type
828-473: The Dfa climate type is present near the Black Sea in southern Ukraine , the Southern Federal District of Russia , southern Moldova , Serbia , parts of southern Romania , and Bulgaria , but tends to be drier and can be even semi-arid in these places. In East Asia, this climate exhibits a monsoonal tendency with much higher precipitation in summer than in winter, and due to the effects of
874-512: The Southern Hemisphere , limited to isolated high altitude locations, due to the larger ocean area at that latitude, smaller land mass, and the consequent greater maritime moderation. In the Northern Hemisphere, some of the humid continental climates, typically in around Hokkaido , Sakhalin Island , northeastern mainland Europe , Scandinavia , Nova Scotia , and Newfoundland are closer to
920-565: The poverty line , including 1.2% of those under age 18 and 4.1% of those age 65 or over. London Britain has a hot-summer humid continental climate ( Dfa ) bordering on a humid subtropical climate ( Cfa ). The hardiness zone is 7a. As of 2020, there were 42.70 miles (68.72 km) of public roads in London Britain Township, of which 2.61 miles (4.20 km) were maintained by the Pennsylvania Department of Transportation (PennDOT) and 40.09 miles (64.52 km) were maintained by
966-428: The "humid" designation means that the climate is not dry enough to be classified as semi-arid or arid . By definition, forests thrive within this climate. Biomes within this climate regime include temperate woodlands, temperate grasslands, temperate deciduous or evergreen forests, coniferous forests, and coniferous swamps. Within wetter areas, maple , spruce , pine , fir , and oak can be found. Fall foliage
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#17328697518151012-689: The 17th century during the colonial-era Province of Pennsylvania prior to the American Revolution . Much of the province was then occupied by Native Americans , but the colonial administration in Philadelphia brought new counties and new settlements regularly. The first communities defined by the provincial state government tended to be rural, geographically large, and sparsely populated townships. Townships or portions of them tended to become boroughs after population growth or an increase in population density and, eventually, might to reincorporate at
1058-512: The 2010 census, the township was 93.5% non-Hispanic White, 1.3% Black or African American, 0.1% Native American, 1.4% Asian, and 1.5% were two or more races. 2.3% of the population were of Hispanic or Latino ancestry. As of the census of 2000, there were 2,797 people, 957 households, and 829 families residing in the township. The population density was 283.4 inhabitants per square mile (109.4/km). There were 979 housing units at an average density of 99.2 per square mile (38.3/km). The racial makeup of
1104-574: The Canadian Prairie Provinces and below 40°N in the high Appalachians . In Europe, this subtype reaches its most northerly latitude in Bodø at the 67°N . High-altitude locations such as Flagstaff, Arizona , Aspen, Colorado and Los Alamos, New Mexico in the western United States exhibit local Dfb climates. The south-central and southwestern Prairie Provinces also fits the Dfb criteria from
1150-559: The Pennsylvania constitution, each governmental entity has the right to choose its own form of self-government, and a limited ability to delegate powers and oversight to such entities as authorities, commissions and school boards. Any township, regardless of its class, may adopt a home rule charter, at which point it is no longer governed by the Pennsylvania Township Codes. While a home rule charter can incorporate unusual features, standard municipal functions are generally part of
1196-467: The Western United States) grade into semi-arid climates with similar temperatures but low precipitation. A hot summer version of a continental climate features an average temperature of at least 22 °C (71.6 °F) in its warmest month. Since these regimes are restricted to the Northern Hemisphere, the warmest month is usually July or August. High temperatures during the warmest month tend to be in
1242-823: The characteristics of more-urbanized areas that might be associated with "towns." Because Pennsylvania's constitution provides for a progression of municipal structures based on population growth, it is not uncommon to have a township and borough of the same or similar name, generally adjacent within the same county. The 'town-like' borough might be partially or wholly surrounded by the remaining township from which it had split off. The government of Cold Spring Township ceased to function in 1961, when there were no candidates for office. Pennsylvania townships typically vary in size from 6 to 40 square miles (16–104 km ). There are two classifications of townships, first class and second class. The commonwealth initially incorporates all townships as second class townships. To become
1288-425: The continents either do not penetrate low enough in latitude or taper too much to have any place that gets the combination of snowy winters and hot summers. Marine influences are very strong around 40°S and such preclude Dfa , Dwa , and Dsa climates from existing in the southern hemisphere. Also known as hemiboreal climate , areas featuring this subtype of the continental climate have an average temperature in
1334-432: The electorate of the whole township for overlapping six-year terms. The number of supervisors can be increased to five by referendum. Townships of the first class, by contrast, have a board of commissioners. Between five and fifteen commissioners sit on this panel; they can be elected either at large or by wards within the township; and they serve for overlapping terms of four years in office. Other elected officials include
1380-514: The high 20s to low 30s °C (80s °F), while average January afternoon temperatures are near or well below freezing. Frost-free periods typically last 4 to 7 months in this climate regime. Within North America , this climate includes portions of the central and eastern United States from east of 100°W to south of about the 44°N to the Atlantic . Precipitation increases further eastward in this zone and
1426-439: The humid continental climate covers a much larger area than the hot subtype. In North America, the climate zone covers from about 42°N to 50°N latitude mostly east of 100°W , including parts of Southern Ontario , the southern half of Quebec , The Maritimes , and Newfoundland , as well as the northern United States from eastern North Dakota east to Maine . However, it can be found as far north as 54°N , and further west in
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1472-455: The legal entities providing local self-government functions. In general, townships in Pennsylvania encompass larger land areas than other municipalities , and tend to be located in suburban , exurban , or rural parts of the commonwealth. As with other incorporated municipalities in Pennsylvania, townships exist within counties and are subordinate to or dependent upon the county level of government. Townships in Pennsylvania were created in
1518-548: The level of city. Initially, each municipal organization begins as a second-class township. When a sufficient population density, currently 300 people per square mile, was attained, the township had the option of holding a referendum and, if it passed, became a first-class township. The municipality could proceed to the level of borough or city in a similar fashion. Historically, this progression has often included border adjustments or mergers with other boroughs or townships. Many communities remain townships in spite of growth that brings
1564-487: The mix regardless of how offices and powers are allocated within the jurisdiction. "Citizen's Guide to Pennsylvania Local Government, 2010" Humid continental climate Humid continental climates are generally found between latitudes 40° N and 60° N , within the central and northeastern portions of North America , Europe , and Asia . Occasionally, they can also be found at higher elevations above other more temperate climate types. They are rare in
1610-450: The sea and heavily maritime-influenced and comparable to oceanic climates , with relatively cool summers, significant year-round precipitation (including high amounts of snow) and winters being just below the freezing mark (too cold for such a classification). More extreme and inland humid continental climates, sometimes known as "hyper-continental" climates, are found in northeast China , southern Siberia , Mongolia , Kazakhstan , most of
1656-432: The southern extent of winter snowpack . In the United States, it is more common to use the 0 °C [32.0 °F] isotherm instead. The 10 °C (50 °F) average temperature was found to be roughly the minimum temperature necessary for tree reproduction and growth. Wide temperature ranges are common within this climate zone. Second letter in the classification symbol defines seasonal rainfall as follows: while
1702-488: The southern interior of Canada , and the Upper Midwest , where temperatures in the winter resemble those of adjacent subarctic climates (with long, drier, generally very cold winters) but have longer and generally warmer summers (in occasional cases, hot summers). A more moderate variety, found in places like Honshu , east-central China, the Korean Peninsula , parts of Eastern Europe , parts of southern Ontario , much of
1748-573: The steppe ( BSk ) climates. In the eastern and Midwestern United States, Pennsylvania , Ohio , Illinois , Indiana , southern New York , most of Connecticut and Rhode Island , and eastern Massachusetts fall into the hot-summer humid continental climate. In Canada, this climate type exists only over portions of Southern Ontario . In the Eastern Hemisphere, this climate regime is found within interior Eurasia and east-central Asia. Within Europe,
1794-488: The strong Siberian High much colder winter temperatures than similar latitudes around the world, however with lower snowfall, the exception being western Japan with its heavy snowfall. Tōhoku , between Tokyo and Hokkaidō and Western coast of Japan also has a climate with Köppen classification Dfa , but is wetter even than that part of North America with this climate type. A variant which has dry winters and hence relatively lower snowfall with monsoonal type summer rainfall
1840-456: The third letter denotes the extent of summer heat: Within North America, moisture within this climate regime is supplied by the Great Lakes , Gulf of Mexico and adjacent western subtropical Atlantic . Precipitation is relatively well distributed year-round in many areas with this climate ( f ), while others may see a marked reduction in wintry precipitation, which increases the chances of
1886-430: The township has a total area of 9.9 square miles (26 km), all land. London Britain is bordered by Maryland on the south and Delaware on the east. The Mason–Dixon Line marks the border between the township and Maryland . The White Clay Creek Preserve makes up 1,255 acres (508 ha) of the township. The White Clay Creek watershed was designated as a National Wild and Scenic River on October 24, 2000. At
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1932-403: The township was 96.53% White , 0.89% African American , 0.04% Native American , 0.93% Asian , 0.04% Pacific Islander , 0.39% from other races , and 1.18% from two or more races. Hispanic or Latino of any race were 1.68% of the population. There were 957 households, out of which 43.7% had children under the age of 18 living with them, 81.0% were married couples living together, 3.6% had
1978-596: The township. Pennsylvania Route 896 is the only numbered highway serving London Britain Township. It follows New London Road along a northwest-southeast alignment across the southwestern portion of the township. Township (Pennsylvania) A township , under the laws of the Commonwealth of Pennsylvania , is the lowest level of municipal incorporation of government. All of Pennsylvania's communities outside of incorporated cities , boroughs , and one town have been incorporated into individual townships that serve as
2024-435: The warmest month below 22 °C (72 °F). Summer high temperatures in this zone typically average between 21–28 °C (70–82 °F) during the daytime and the average temperatures in the coldest month are generally well or far below the −3 °C (27 °F) (or 0 °C (32.0 °F)) isotherm. Frost-free periods typically last 3–5 months. Heat spells lasting over a week are rare. The warm summer version of
2070-416: Was 40 years. For every 100 females, there were 103.3 males. For every 100 females age 18 and over, there were 100.5 males. The median income for a household in the township was $ 93,521, and the median income for a family was $ 97,013. Males had a median income of $ 66,600 versus $ 44,141 for females. The per capita income for the township was $ 35,761. About 2.1% of families and 1.7% of the population were below
2116-519: Was named Pennsylvania , or Penn's Woods. The Township of London Britain was organized in 1725 from a tract of land belonging to the London Company of Great Britain . The southernmost part of the township was originally disputed territory between Pennsylvania and Maryland, resolved eventually by the Mason–Dixon line . The southernmost section of the township formed the northern section of New Munster,
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