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44-527: The Levi Sheard Mill and Sheard's Mill Covered Bridge are listed on the National Register of Historic Places . It was also the location of the formerly listed Mood's Covered Bridge . According to the United States Census Bureau , the township has a total area of 13.1 square miles (34 km), of which 12.9 square miles (33 km) is land and 0.2 square miles (0.52 km) (1.14%)

88-655: 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

132-509: A marked reduction in wintry precipitation, which increases the chances of 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

176-704: 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

220-523: 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

264-510: 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

308-463: Is less extreme than the most inland hyper-continental variety. Using the Köppen climate classification , 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,

352-554: 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

396-714: 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

440-689: 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

484-413: 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,

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528-769: Is water. Tohickon Creek flows along the northern edge of the township into Lake Nockamixon at its northeastern edge and eastward into the Delaware River and drains most of East Rockhill. The southeastern side of the township is drained by the East Branch Perkiomen Creek into the Perkiomen Creek and Schuylkill River . East Rockhill's villages include Hagersville, Rich Hill, Rockhill, Rockhill Station, Rock Ridge, Smoketown (also in West Rockhill), Sterners Mill, Weisel, and White Horse. Natural features include

572-516: Is −2.8 °F (−19.3 °C). Since 1981, the coldest air temperature was −13.7 °F (−25.4 °C), on January 22, 1984. Episodes of extreme cold and wind can occur with wind chill values < −14 °F (−26 °C). The average annual snowfall (Nov-Apr) is between 30 inches (76 cm) and 36 inches (91 cm). Ice storms and large snowstorms depositing ≥ 12 inches (30 cm) of snow occur once every few years, particularly during nor’easters from December through February. According to

616-514: The A. W. Kuchler U.S. potential natural vegetation types, East Rockhill Twp would have a dominant vegetation type of Appalachian Oak ( 104 ) with a dominant vegetation form of Eastern Hardwood Forest ( 25 ). The plant hardiness zone is 6b with an average annual extreme minimum air temperature of −2.8 °F (−19.3 °C). The spring bloom typically begins by April 14 and fall color usually peaks by October 26. Levi Sheard Mill The Levi Sheard Mill , also known as Sheard's Mill and

660-682: 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

704-473: 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

748-473: 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

792-401: The East Branch Perkiomen Creek , Rock Hill, Three Mile Run, and Tohickon Creek . As of the 2010 census, the township was 95.8% White, 0.7% Black or African American, 0.2% Native American, 0.6% Asian, and 1.2% were two or more races. 1.6% of the population were of Hispanic or Latino ancestry. As of the census of 2000, there were 5,199 people, 1,828 households, and 1,427 families residing in

836-574: The John S. Clymer Mill , is an historic, American grist mill that is located in East Rockhill Township , Bucks County, Pennsylvania . It was placed on the National Register of Historic Places on December 18, 2006. The Sheard's Mill Covered Bridge , which is situated next to the mill, is also listed on the National Register of Historic Places . The first section of this historic structure

880-524: The Korean Peninsula , parts of Eastern Europe , parts of southern Ontario , much of 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

924-616: The Pennsylvania Department of Transportation (PennDOT) and 37.14 miles (59.77 km) were maintained by the township. The main highways serving East Rockhill Township are Pennsylvania Route 313 and Pennsylvania Route 563 . PA 313 follows a southeast-northwest alignment following Dublin Pike across northeastern portions of the township. PA 563 follows a north-south alignment utilizing Ridge Road, Dublin Pike and Mountain View Drive across

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968-574: 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

1012-529: 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

1056-399: The average family size was 3.21. In the township the population was spread out, with 28.8% under the age of 18, 6.3% from 18 to 24, 32.5% from 25 to 44, 23.6% from 45 to 64, and 8.9% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 102.1 males. For every 100 females age 18 and over, there were 101.0 males. The median income for a household in

1100-453: The classification symbol defines seasonal rainfall as follows: while 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

1144-425: 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

1188-962: The eastern portion of the township. The two highways have a concurrency along a portion of Dublin Pike. There is currently no public transportation in East Rockhill Township. According to the Köppen climate classification system, East Rockhill Twp has a Hot-summer, Humid continental climate ( Dfa ). Dfa climates are characterized by at least one month having an average mean temperature ≤ 32.0 °F (0.0 °C), at least four months with an average mean temperature ≥ 50.0 °F (10.0 °C), at least one month with an average mean temperature ≥ 71.6 °F (22.0 °C) and no significant precipitation difference between seasons. Although most summer days are slightly humid in East Rockhill Twp, episodes of heat and high humidity can occur with heat index values > 104 °F (40 °C). Since 1981,

1232-644: 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 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,

1276-514: 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

1320-443: The highest air temperature was 101.5 °F (38.6 °C) on July 22, 2011, and the highest daily average mean dew point was 74.3 °F (23.5 °C) on August 12, 2016. The average wettest month is July, which corresponds with the annual peak in thunderstorm activity. Since 1981, the wettest calendar day was 6.73 inches (171 mm) on August 27, 2011. During the winter months, the average annual extreme minimum air temperature

1364-439: 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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1408-578: 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 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

1452-422: 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

1496-408: The population. There were 1,828 households, out of which 40.4% had children under the age of 18 living with them, 68.6% were married couples living together, 5.8% had a female householder with no husband present, and 21.9% were non-families. 17.1% of all households were made up of individuals, and 5.4% had someone living alone who was 65 years of age or older. The average household size was 2.82 and

1540-537: The remnants thereof). Though humidity levels are often high in locations with humid continental climates, 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

1584-573: 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,

1628-488: 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

1672-496: The township was $ 59,663, and the median income for a family was $ 70,645. Males had a median income of $ 43,134 versus $ 30,473 for females. The per capita income for the township was $ 24,594. About 2.0% of families and 4.9% of the population were below the poverty line , including 3.0% of those under age 18 and 7.6% of those age 65 or over. As of 2022 there were 48.33 miles (77.78 km) of public roads in East Rockhill Township, of which 11.19 miles (18.01 km) were maintained by

1716-433: The township. The population density was 401.5 inhabitants per square mile (155.0/km). There were 1,883 housing units at an average density of 145.4 per square mile (56.1/km). The racial makeup of the township was 97.19% White , 0.81% African American , 0.40% Native American , 0.38% Asian , 0.06% Pacific Islander , 0.19% from other races , and 0.96% from two or more races. Hispanic or Latino of any race were 1.25% of

1760-435: 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

1804-430: The winter months elsewhere in the climate zone. 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 the Southern Hemisphere , limited to isolated high altitude locations, due to

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1848-455: The −3 °C (27 °F) average temperature isotherm (line of equal temperature) was near 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

1892-407: Was built circa 1825, with three additions built into the early twentieth century. The mill was purchased by Levi Sheard in 1844. In 1916, ownership was transferred to brothers Rubin and John Clymer. The mill continued to operate until the 1970s. A sign placed in front of the mill indicates the importance of the grist mill to the surrounding area. Currently the property is used as a campground. It

1936-448: Was placed on the National Register of Historic Places on December 18, 2006. Humid continental climate 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

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