Flow of Rimac River increased in 35.0% in October of 2024

The National Institute of Statistics and Informatics (INEI) informed that according to the information provided by the National Service of Meteorology and Hydrology (SENAMHI), in October of 2024, the flow of Rimac River reached 21.26 m3/s, result that meant an increase of 35.0% compared to the same month of 2023, meanwhile it decreased 1.3% compared to its historic average.

In the technical report Environmental Statistics is stated also that the flow of Chillon River totalized 1.64 m3/s, a lower figure in 28.1% and 41.0% compared to October 2023, and to historic average, respectively.

During the month of October of 2024, and according to the information of the Service of Potable Water and Sewerage Service of Lima (SEDAPAL), the potable water production in Lima Metropolitan area reached 66 million 290 thousand cubic meters, a higher amount in 0.5% compared to the same month of the last year.

During the month under analysis, the river of the Center Pacific registered decreases in their flows. Mala River reached 2.59 m3/s, which represented a decrease of 67.2% compared to October of 2023. Nevertheless, it increased in 37.0% compared to its historic average. The flow of Chancay -Huaral River El caudal del río Chancay – Huaral (6.49 m3/s) decreased 16.0% against October of the last year; nevertheless, it grew in 13.7% compared to its historic average.

In the case of the rivers of the North Pacific watershed, the Flow of the Chira River reached 6.48 m3/s, which represented a decrease of 84.9% and 80.6% compared to the same month of 2023 and to its historic average, respectively.

Tumbes River (16.76 m3/s) reduced in 23.3% compared to the same month of 2023; meanwhile, it increased in 4.5% compared to its historic average. Meanwhile, the flow of the Jequetepeque River (2.49 m3/s) decreased in 75.3% and 60.5% compared to the month of October of 203, and to its historic average, respectively.

On the other hand, the Calvas River (6.32 m3/s) increased in 538.4% compared to the month of October of 2023; nevertheless, it reduced in 61.7% compared to its historic average.

During October of 2024 and according to the monitoring of 16 SENAMHI stations, the lowest temperatures were reported in the stations: Chuapalca (-16.2 °C) and Bocatoma (-12.0 °C), located in the department of Tacna; Mazo Cruz (-16.0 °C), Crucero Alto (-9.0 °C), Cojata ( -8.5 °C), Santa Rosa (-7.6 °C), Macusani (-7.4 °C), Desaguadero (-5.2 °C) and Ananea (-4.8 °C), in the department of Puno; and Imata (-13.8 °C), Pillones (-12.6 °C), Salinas (-10.2 °C) and Tisco (-8.3 °C), in the department of Arequipa.

In addition, there were registered low temperatures in the departments of Junín, in the station of Laive (-6.4 °C) and La Oroya (-0.6 °C); and in Cerro de Pasco (-1.4 °C).

During the month of October of 2024, and according to the information of the National Institute of Civil Defense (INDECI), were registered 732 emergencies at national level, which meant an increase of 24.9% compared to the same month of 2023. Emergencies left 3,156 affected people, 2 915 affected households, 296 households destroyed and 4,031 hectares of crops destroyed.

The greater quantity of emergencies were registered in Cusco (124), Apurímac (76), Cajamarca (70), Huánuco (63), San Martín (56), Ucayali (41), Huancavelica (38), Amazonas (34), Ayacucho (25), Piura (24), Ancash and Pasco (20 each one), Lima Metropolitan area and Puno (16 each one), Arequipa y La Libertad (15 each one), Loreto (14), Junín (12), Lima Province (11), Ica and Madre de Dios (10 each one), Tacna (7), Lambayeque (6), Moquegua (4), Callao (3) and Tumbes (2).

The emergencies were mainly caused by: strong winds (29); forest fires (164); urban and industrial fires (135); heavy rains (75); low temperatures (22); water deficit and flooding by channels overflow (7); electric storms (5); landslide and transportation accidents (4); rocks avalanche and collapse of structure by human activity (3); drought (2); pests; huayco; thunderstorms (winds and rains); and spillage of materials and hazardous waste (1 in each case).