what is the annual total rainfall in nigeria

is from May through October, … Annual rainfall totals vary from 2,400 to over 4,000 millimeters. Average Monthly Rainfall 1901 - 2009 (mm) The Climate Change Knowledge Portal is a hub of information, data and reports about climate change around the world. Rainfall Analysis in Enugu Environment (1917-2004) Time series analysis of rainfall below disclosed pattern of rainfall from 1917-2004. This is necessitated by the fact that, despite the fact that wet years contribute greatly to annual flooding and gully erosion observed in the area, researches on cycles and periodicities of rainfall in the area are obviously lacking. The tables below give yearly averages for rainfall plus snowfall at cities, towns and parks in Maine. annual rainfall varies from 2,000mm in the southern areas to 1,150mm in the northern areas. 0000060255 00000 n Map showing Awka Region, Nigeria. positive trend. Figure 2. However, periodicities have been detected in the study of rainfall periodicities in West Africa and Nigeria, in … Nigeria is a country located in Africa south of the Sahara.As of 2012 Nigeria had a total population of approximately 173.89M people. The country has about 20 islands. The Guinea savanna starts in the middle belt, or southern part of northern Nigeria. Rainfall amount, pattern, duration each year, have a serious impact on the condition of biodiversity, forest and wildlife in the study area. Table 1. CSV XML EXCEL. TRMM measures rainfall in the tropics. Year Rainfall Year Rainfall (mm) Year Rainfall 1975 1322 1988 2006 2001 1551 1976 2021 1989 1790 2002 1778 1977 1781 1990 2012 2003 1882 1978 1790 1991 2080 2004 2084 1979 1832 1992 1810 2005 1863 1980 1679 1993 1605 2006 2016 Wupa Here you can query, map, compare, chart and summarize key climate-related information. Annual precipitation is below 500 millimeters (20 inches) in the extreme north-east, on the shores of Lake Chad, it ranges from 1,000 to 1,500 mm (40 to 60 in) in the central region, it exceeds 2,000 mm (80 in) in the south, and it even exceeds 3,000 mm (120 in) in the far south-east (the map below shows the average rainfall, in millimeters on the left and in inches on the right). This agrees with the studies of Ati et al. 0000000996 00000 n In the northern part, annual rainfall amounts have been on the increase especially from the … This paper critically examines the mathematical study of monthly and annual rainfall patterns in Nasarawa State for 20 years (1993-2012) using data obtained from the f\�Rf�n���y�!���x2���}���8�#a>�� �@��ϓj����_�W� j�� endstream endobj 67 0 obj <> endobj 68 0 obj <>stream Given this climatological cycle and the size of the country, there is a considerable range in total annual rainfall across Nigeria, both from south to north and, in some regions, from east to west. This is the result of annual total rainfall occurrence and distribution, which is more predominant in the south than in the north. Recent Climate Trends Temperature There is a significant difference in monthly rainfall trends from 1982 to 2011. April to October is the rainy season in Nigeria. For over 50 years, Total Nigeria Plc has remained the leader in the downstream sector of the Nigerian oil and gas industry with an extensive distribution network of Ankuru H�\��j�0E�~ The best month to swim in the sea is in March when the average sea temperature is 29°C (84°F). The country is covered by three major types of vegetation which include forests, savannahs and montane land. H�\��j�@ཞb��"��ܹ7a�O^�} Y��Z����w�NH����X��8��w���k'���'wi�f���}��;�k�e��5m=}|��׷j��t��q����]��,]�#}y�Ƈ{�4�9>g����c�]�ӯ�����a�o���­׮���C_��ku�.�o{96��vz��{�]��1DW̟���}�CUDZ�1+�v�!��Y���7�m�K�����ŋEzKY�Y����yżB�1���{�7�7�s”�]]~ɼD.�d��������i�yc6d:=��N��0o���۔��Ah��Ah��Ah��Ah��Ah�� �P��pC��� Annual rainfall is presented for each sector; the March-to-May and October–November seasons are also examined for equatorial sectors. DATA Daily rainfall data collected at 25 locations in northern Nigeria for 1931â 96 were analyzed. Both rainfall and snowfall are important sources of freshwater in the earth’s land-surface system. Average rainfall is the long-term average in depth (over space and time) of annual precipitation in the country. Maize yield data was obtained from Taraba State Agricultural Development Programme for the period 1985–2014. To predict the rainfall in Ibadan for the next 30 years. Total Nigeria Plc is a Marketing and Services subsidiary of Total; a multinational energy company operating in more than 130 countries and committed to providing sustainable products and services for its customers. Annual rainfall total varies widely from year to … A savanna climate, with marked wet and dry seasons, prevails in the north and west, while a steppe climate with little precipitation is found in the far north. Rural land area where elevation is below 5 meters (% of total land area) Urban land area where elevation is below 5 meters (% of total land area) Land area (sq. 0000005236 00000 n 0000007742 00000 n It is about 1 000 mm in the center of the country and 500 mm in the northeast. Annual rainfall amount: The annual rainfall total was calculated for the study area from the monthly rainfall amount. 1.5 HYPOTHESIS i. The driest month is December, with 1 mm | 0.0 inch of rain. Annual rainfall of Awka Region (1975-2010). This pressure set-up produced more northerlies and northwesterlies than normal over the country, which contributed to the exceptional warmth experienced in New Zealand during the year. -�EqbI�ׂ 䧅,�f�[�&�q�E�~t}KG4��ǹ�r����];����ׇ0�S�5c������m�-Ӵ���i�__�!��͇�u Rainfall in Niger Delta. In addition to the NDVI data, total monthly rainfall data for Nigeria for the same period (1981 – 2009) were also used. 7l�a���� s�9�h0�́� s�9��p:��}�(�]�.E��Kѥ�Rt)�]�.E�r�>�^E��W�^��G��b�>�}��(�Q��Ǹ�a���7� ~���7� ~���7� ~���7� ~���7� �z��׬ Nigeria is a country in West Africa at the Gulf of Guinea. On average, June is the wettest month. About 70% of Nigeria's crude oil and gas production is from the area. 0000008575 00000 n Thus, the fact that Akure is located in a warm humid tropical climate of Nigeria and its rainfall is In the southeast stands the Obudu Plateau. It is hot and wet most of the year in the southeast but dry in the southwest and farther inland. Throughout the year, temperatures vary by 4.6 °C | 40.3 °F. Long-term changes in rainfall during this period therefore govern the changes in the annual total. Annual rainfall totals are lower compared to the southern and central part of Nigeria. Moving north from Ibadan, mean annual rainfall in the west is in the range of 1,200 to 1,300 millimeters. 0000006783 00000 n (2007) and Abaje et al. trailer <]>> startxref 0 %%EOF 95 0 obj <>stream The fact that Abeokuta has the least rainfall in the region is a surprise despite its proximity to the station with the High rain totals are represented in dark blue, while small rainfall totals are shown in white. Abstract: Rainfall is very important for the economic growth and development of any nation; hence there is dire need to study the monthly and annual trends. High rain totals are represented in dark blue, while small rainfall totals are shown in white. Rainfall/ Precipitation in Lagos, Nigeria Lagos is awarded on average 1506.6 mm (59.3 in) of rainfall per year, or 125.6 mm (4.9 in) per month. The mean annual rainfall along the coast in the south- east is 4000mm while it is only 500mm in the north- east. Wuse It is drained by River Kaduna. The rainfall maps show total monthly rainfall in millimeters as recorded by NASA’s Tropical Rainfall Measuring Mission (TRMM) satellite, which is a joint mission between NASA and the Japanese Space Agency. T. O. Odekunle, Rainfall and the length of the growing season in Nigeria, International Journal of Climatology, 10.1002/joc.1012, 24, 4, (467-479), (2004). Average rainfall along the coast varies from about 180 cm (70 in) in the west to about 430 cm (170 inch) in certain parts of the east. 0000021291 00000 n Port Harcourt experiences extreme seasonal variation in monthly rainfall. The ?rainy season? The average global temperature across land and ocean surface areas for 2016 was 0.94°C (1.69°F) above the 20thcentury average of 13.9°C (57.0°F), surpassing the previous record warm… of Nigeria with a mean annual rainfall of 1230mm.The rainy season is between May and October when about 80% of the annual rainfall occurs. The temperature in April averages 28.5 °C | 83.3 °F. Global Economic Prospects examines trends for the world economy and how they affect developing countries. 0000011619 00000 n This represents a 38% increase from 2003 when the population of Nigeria was approximately 126.30M. The most obvious pattern in the total rainfall maps is seasonal change. Precipitation is defined as any kind of water that falls from clouds as a liquid or a solid. Coastal plains are found in both the southwest and the southeast. km) Urban land area where elevation is below 5 meters (sq. Rain is the liquid form of water falling to the land surface where as Snow is the solid form of water. Annual GDP Growth (%) Nigeria. 0000035566 00000 n Nigeria is located in West Africa between latitude 40 N and 140 N and between longitudes 20 E and 150 E. It has a total area of 925,796km2. However, south Assam is the only sub-division where rainfall data show a negative trend. 0000004436 00000 n In addition, sea surface temperatures both surrounding and west of New Zealand were typically higher than normal, particularly from January to Ju… Nigeria is affected by the Tropical Continental and Tropical Maritime air masses. Nigeria's tropical climate makes it an all-year-round tourist destination, with temperatures staying consistently hot. per month. Precipitation increases of about 2-3% for each degree of global warming may be expected for the tropical humid zones (FRN, 2003; Oladipo, 2011). 0000003410 00000 n Annual rainfall varies from as low as 500 mm per year in the Sahel savanna zone to about 3000 mm in the Mangrove Swamp zone. The data was collected on 9 synoptic stations in the region. 0000001771 00000 n Nigeria has a varied landscape. North of Kaduna, through the northern Guinea savanna and then the Sudan savanna zones, the total rainfall and the length of the rainy season decline steadily. The rain continues in most part of the country till even October and … To further understand the climate of Nigeria please refer to a map of the Koppen Climate Classification System, as well as maps of total annual rainfall and mean annual temperature variations of Nigeria presented below. The most widely harvested crop in Nigeria by area was Sorghum with 7.21M ha harvested with a total production value of Intl $1.42B. 0000009303 00000 n April is the warmest month of the year. This paper examined rainfall seasonality in the Niger Delta, Nigeria, using both monthly and annual rainfall data from 1931 to 1997. TRMM measures rainfall in the tropics. DATA Daily rainfall data collected at 25 locations in northern Nigeria for 1931–96 were analyzed. High rain totals are represented in dark blue, while small rainfall totals are shown in white. Rainfall is bimodal in the Mangrove and Rainforest and parts of the Derived savanna zones and uni-modal in the Guinea, Sudan and Sahel savannas. 0000004265 00000 n Rainfall decreases progressively away from the coast; the far north … km) Download. The rainfall data was used in calculating the mean monthly rainfall, annual rainfall, the onset, cessation and length of rainy season. Precipitation is heavier in the south, especially in the southeast, which receives more than 120 inches (3,000 mm) of rain a year, compared with about 70 inches (1,800 mm) in the southwest. In the east annual rainfall is only 2 cm (0.79 inches). Regions along the coast in western Nigeria receive about 1800 mm rainfall annually, which decreases to about 500-1000 mm in central and northern Nigeria. The wettest month is June with an average of 316mm of rain. As indicated under climate, the expected climate vegetation is the evergreen high forest composed of many varieties of Met Éireann, the Irish National Meteorological Service, is the leading provider of weather information and related services for Ireland. Niger Delta cities and their annually rainfall totals in … On average there are 121 days per year with more than 0.1 mm (0.004 in) of rainfall (precipitation) or 10.1 days with a quantity of rain, sleet, snow etc. Yola. 61 0 obj <> endobj xref 61 35 0000000016 00000 n Aso It is the condensation of water vapour into clouds which become heavily laden with water that leads to rainfall events. Climate and Average Weather in Niger. Mabushipe Mean annual rainfall over the whole country is estimated at 1 150 mm. The equation used is: A R = 1 12 ∑ i = 1 12 R i (2) where: M R = monthly rainfall amount (mm); R i = daily rainfall amount at the study area; n = number of days in a month; i … Lagos has dry periods in January and December. The land has a total area of 923,770 km² and a total coastline of 853 km. Benoit (1977) has studied the start of growing season rainfall in northern Nigeria for the years 1951-1975. This paper examined rainfall seasonality in the Niger Delta, Nigeria, using both monthly and annual rainfall data from 1931 to 1997. High-latitude regions, where TRMM does not record rainfall, are gray. 0000002501 00000 n Nigeria Jump to. Long-term changes in rainfall during this period therefore govern the changes in the annual total. �}w곲4�{�x�ƻyX7�1. Moving north from Ibadan, mean annual rainfall in the west is in the range of 1,200 to 1,300 millimeters. Wiley Online Library N. J. Bello, An investigation of the characteristics of the onset and cessation of the rains in Nigeria, Theoretical and Applied Climatology, 10.1007/BF00865159, 54 , 3-4, (161-173), (1996). The ecological zones of the country are broadly grouped into three, which are Sahel, Savannah and the Guinea zones. The data was retrieved from the archives of the Nigerian Meteorological Agency in Lagos. Published data from different sources as acknowledged in the text were also used. 0000008299 00000 n Gwarinpa The yearly rainfall data for some sub-divisions, namely Punjab, Himachal Pradesh and Assam follow and increasing trend. Global Economic Prospects. The total annual discharge leaving Burkina Faso is estimated at about 1.4 km 3. Mean annual pan evaporation is 2 450 mm in the southeast, 2 620 mm in the center and 5 220 mm in the north of the country. He has The geographical area called Nigeria has a total land area of 983,213 km 2 with over 180 million people living in it. Lagos, Nigeria: Annual Weather Averages. According to Adefolalu (1986), locations north of 8°N in the country received over 90% of the total annual rainfall in April–October while for southern stations the proportion of wet season rainfall was 84–88% of the annual total. 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