April to October is the rainy season in Nigeria. Monthly Rainfall distribution in southwest Nigeria (2001-2014) production and at the same time has the highest risk for flooding and environmental degradation. km) Urban land area where elevation is below 5 meters (sq. TRMM measures rainfall in the tropics. 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. 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. 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 data was collected on 9 synoptic stations in the region. Nigeria's tropical climate makes it an all-year-round tourist destination, with temperatures staying consistently hot. It is about 1 000 mm in the center of the country and 500 mm in the northeast. February is the hottest month in Lagos with an average temperature of 29°C (84°F) and the coldest is July at 25°C (77°F) with the most daily sunshine hours at 10 in December. 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. Each place has a total for the amount of precipitation it usually receives in a year along with information on the number of days with wet weather. A lot of rain (rainy season) falls in the months: April, May, June, July and October. Port Harcourt experiences extreme seasonal variation in monthly rainfall. In the east annual rainfall is only 2 cm (0.79 inches). 0000031111 00000 n The total annual discharge leaving Burkina Faso is estimated at about 1.4 km 3. 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. Climate and Average Weather in Niger. On average, January is the driest month. 0000002390 00000 n The data was retrieved from the archives of the Nigerian Meteorological Agency in Lagos. About 1389 mm | 54.7 inch of precipitation falls annually. Mabushipe Remarkably, this is the third consecutive year a new global annual temperature record has been set. On average, June is the wettest month. 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 The country has about 20 islands. The rainfall data was used in calculating the mean monthly rainfall, annual rainfall, the onset, cessation and length of rainy season. -�EqbI�ׂ 䧅,�f�[�&�q�E�~t}KG4��ǹ�r����];����ׇ0�S�5c������m�-Ӵ���i�__�!��͇�u 0000012496 00000 n In addition, sea surface temperatures both surrounding and west of New Zealand were typically higher than normal, particularly from January to Ju… The best month to swim in the sea is in March when the average sea temperature is 29°C (84°F). Throughout the year, temperatures vary by 4.6 °C | 40.3 °F. Mean annual and monthly temperature and rainfall data were collected from the Nigerian Meteorological Agency and some States’ airports for a period of 105 years (1901-2005). This agrees with the studies of Ati et al. There is a significant difference in monthly rainfall trends from 1982 to 2011. Thus, the fact that Akure is located in a warm humid tropical climate of Nigeria and its rainfall is Met Éireann, the Irish National Meteorological Service, is the leading provider of weather information and related services for Ireland. Kubwa Annual totals of Rainfall in the Southwest Figure 3. 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. influence of the tropical maritime. However, south Assam is the only sub-division where rainfall data show a negative trend. To predict the rainfall in Ibadan for the next 30 years. Southern Nigeria: The four observed seasons are: 0000008299 00000 n Overall, annual mean sea level pressures for 2016 were lower than normal to the southwest of New Zealand and slightly higher than normal to the east of the North Island. High rain totals are represented in dark blue, while small rainfall totals are shown in white. TRMM measures rainfall in the tropics. Nigeria is affected by the Tropical Continental and Tropical Maritime air masses. In the northern part, annual rainfall amounts have been on the increase especially from the … A map of Nigeria showing the southeastern geographical region is shown in Figure 1. This is the result of annual total rainfall occurrence and distribution, which is more predominant in the south than in the north. The rest of the year is hot and dry with temperatures climbing as high as 40 °C (104.0 °F) . Nigeria - Nigeria - Climate: Nigeria has a tropical climate with variable rainy and dry seasons, depending on location. Nigeria consumes 428,000 barrels per day (B/d) of oil as of the year 2016.; Nigeria ranks 37th in the world for oil consumption, accounting for about 0.4% of the world's total consumption of 97,103,871 barrels per day. 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. Benoit (1977) has studied the start of growing season rainfall in northern Nigeria for the years 1951-1975. The mean annual rainfall along the coast in the south- east is 4000mm while it is only 500mm in the north- east. 0000021291 00000 n Maize yield data was obtained from Taraba State Agricultural Development Programme for the period 1985–2014. Obtained from the archives of the Nigerian Meteorological Agency (NIMET), these data were collected from twenty-three (23) observation stations all over the country. 0000006783 00000 n The aim of this study was to analyse the cycles and periodicities of annual rainfall over Awka region, Nigeria. To determine the biannual variation in rainfall from 1982 to 2011. The ecological zones of the country are broadly grouped into three, which are Sahel, Savannah and the Guinea zones. Long-term changes in rainfall during this period therefore govern the changes in the annual total. 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��׬ External water resources are estimated at 65.2 April is the warmest month of the year. 0000013400 00000 n This area is approximately 133% of the area of Texas. 0000010108 00000 n Global Economic Prospects examines trends for the world economy and how they affect developing countries. In the southeast stands the Obudu Plateau. Annual rainfall totals vary from 2,400 to over 4,000 millimeters. The northern part of Nigeria has the lowest amount of rainfall in a year sometimes as little as 120 to 130 rainy days in Kano and even lesser by 10 to 20 days in Katsina and Sokoto. CSV XML EXCEL. 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). H�\��j�0E�~ 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. Aso Nigeria has a varied landscape. With the contribution of eight consecutive high monthly temperature records set from January to August, and the remainder of the months ranking among their five warmest, 2016 became the warmest year in NOAA's 137-year series. There are direct national borders with the 4 neighbouring countries Benin, Cameroon, Chad and Niger. 0000000996 00000 n ; Nigeria consumes 0.10 gallons of oil per capita every day (based on the 2016 population of 185,960,241 people), or 35 gallons per capita per year (1 barrels). Most of the precipitation here falls in September, averaging 284 mm | 11.2 inch. 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 wettest month is June with an average of 316mm of rain. DATA Daily rainfall data collected at 25 locations in northern Nigeria for 1931–96 were analyzed. 0000011619 00000 n 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. About 70% of Nigeria's crude oil and gas production is from the area. Rainfall in Niger Delta. Both rainfall and snowfall are important sources of freshwater in the earth’s land-surface system. The statistical tools employed for the study are the cumulative index analysis and the percentage of mean. per month. Moving north from Ibadan, mean annual rainfall in the west is in the range of 1,200 to 1,300 millimeters. 0000001771 00000 n 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. Annual rainfall total varies widely from year to … is from May through October, … Precipitation is defined as any kind of water that falls from clouds as a liquid or a solid. Figure 2. km) Urban land area (sq. The driest month is December, with 1 mm | 0.0 inch of rain. DataBank. Here is the average precipitation. 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. High rain totals are represented in dark blue, while small rainfall totals are shown in white. Lagos has dry periods in January and December. Free phone within New Zealand: 0800 RING NIWA (0800 746 464) Contact details 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). annual rainfall varies from 2,000mm in the southern areas to 1,150mm in the northern areas. He has 61 0 obj <> endobj xref 61 35 0000000016 00000 n The data was collected on 9 synoptic stations in the region. Maitama (2010); they observed that rainfall trend in Nigeria is decreasing on annual basis. 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… The mean annual total rainfall in the south is about 1800mm while that of the northern part is hardly over 1600mm (Online Nigeria, 2003). It is the condensation of water vapour into clouds which become heavily laden with water that leads to rainfall events. mean monthly humidity is about 65%. 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. Asokoro A band of heavy rain moves north and south of the Equator seasonally. Aso The land has a total area of 923,770 km² and a total coastline of 853 km. 0000003129 00000 n trailer <]>> startxref 0 %%EOF 95 0 obj <>stream Rainfall decreases progressively away from the coast; the far north … Annual internally produced resources amount to 221 km3, made up of 214 km3 surface water and 87 km3 groundwater, while 80 km3 of the latter is assumed to be overlap between surface water and groundwater. The typical rainfall data were obtained from each decade. 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. Rain falls … Annual rainfall of Awka Region (1975-2010). These months yield 77â 94% of the total annual rainfall for the southern and northern margins of the region. 0000005846 00000 n The ?rainy season? 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. Rain is the liquid form of water falling to the land surface where as Snow is the solid form of water. 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 0000009189 00000 n 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 Rainfall Analysis in Enugu Environment (1917-2004) Time series analysis of rainfall below disclosed pattern of rainfall from 1917-2004. 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