Chịkọta isiokwu ahụ:  Ụwa nwere ọnwa March nke kasị ekpo ọkụ kemgbe e bidoro idekọ ya na 1880. Enwebeghị ọgbaghara site na okpomọkụ ụwa - ọnwa atọ mbụ nke 2015 niile setịpụrụ akara okpomọkụ ọhụrụ. Nkezi okpomọkụ nke ọnwa gara aga rịrị elu ruo 56.4°F (13.6°C), nke dị 1.5°F (0.85°C) karịa nkezi nke narị afọ nke 20. Nkezi okpomọkụ nke ọnwa gara aga nke 56.4°F (13.6°C) bụ March kasị ekpo ọkụ e dekọworo, nkezi 1.5°F (0.85°C) karịa nkezi maka narị afọ nke 20. Nke a bụ nke kachasị elu maka Machị na ndekọ 1880<unk>2015, na-akarị ihe ndekọ gara aga nke 2010 site na 0.09 ° F (0.05 ° C). N'ihe osise a, ị ga-ahụ otú oké okpomọkụ ahụ si metụta ebe dị iche iche n"ụwa. Ihe data, nke National Oceanic and Atmospheric Administration (NOAA) wepụtara taa na-eburu n'uche nkezi ụwa niile n'elu ala na oke osimiri. Ọ na-esochi ọkwa ndị sayensị gọọmentị US kwupụtara na 2014 bụ afọ kacha ekpo ọkụ na akụkọ ihe mere eme nke oge a. Ndị ọkà mmụta sayensị na-adọ aka ná ntị na ikpo mmanụ ụgbọala na-eme ka ikuku na-ekpokwu ọkụ, nke na-eme ka okpomọkụ na-arị elu, na-eme ka mmiri kpụkọrọ akpụkọ na-agbaze, oké osimiri na-arịkwa elu. 'Nke a bụ nke kachasị elu maka ọnwa Machị na ndekọ 1880-2015, na-akarị ihe ndekọ gara aga nke 2010 site na 0.09 ° F (0.05 ° C)", ka akụkọ ahụ kwuru. A na-ekesa okpomọkụ ahụ n'ụzọ hà nhata n'akụkụ nile nke ụwa. Ihe ka ọtụtụ n'akụkụ ala dị ọkụ karịa nkezi, dị ka egosiri na map Temperature Percentiles dị n'aka nri, na ndekọ okpomọkụ na akụkụ ụfọdụ nke ọdịda anyanwụ United States na Canada, mpaghara dị iche iche n'ebe ọwụwa anyanwụ Africa, akụkụ nke Scandinavia na ebe ugwu ọdịda anyanwụ Russia, akụkụ nke ndịda etiti China, na mpaghara nke ebe ugwu ọwụwa anyanwụ Australia. Onye ọkà mmụta sayensị nke NOAA bụ́ Jessica Blunden na-ata El Niño na mgbanwe ihu igwe ụta maka okpomọkụ ahụ. Ihe na-akpata El Niño bụ mgbanwe a na-enwe n'otú mmiri na-ekpo ọkụ si ekesa n'Oké Osimiri Pacific. Ikuku na-efekarị site n'ọwụwa anyanwụ ruo n'ọdịda anyanwụ, n'ihi na ụwa na-agba gburugburu, na-eme ka mmiri na-agbakọta n'akụkụ ọdịda anyanwụ nke Pacific. Nke a na-adọta mmiri oyi site na oke osimiri miri emi n'akụkụ ọwụwa anyanwụ nke Pacific. Otú ọ dị, na...
Ọnọdụ okpomọkụ nke ụwa dum bụ 56.4°F (13.6°C) n'ọnwa gara aga - 1.5°F karịa nkezi maka narị afọ nke 20. Ọnwa atọ mbụ nke afọ 2015 ewepụtala akara okpomọkụ ọhụrụ, nke a nwere ike ịga n'ihu n'afọ a niile. Ndị ọkà mmụta sayensị na-adọ aka ná ntị na mmanụ ọkụ ndị a na-emepụta na-eme ka ikuku na-ekpo ọkụ banye n'ikuku, na-eme ka okpomọkụ na-arị elu. Ma El Niño, nke na-ekpo ọkụ n'oge na-adịghị anya n'ebe ugwu ọwụwa anyanwụ Oké Osimiri Pacific, nwekwara ike ime ka okpomọkụ rịa elu.