Flow of Rimac and Chillon Rivers grow

The National Institute of Statistics and Informatics (INEI) informed that during the month of January of 2024, and according to the information provided by the National Meteorology and Hydrology Service (SENAMHI), the average flow of Rimac River reached 50.76 m3/s which represented an increase of 56.0% and 31.0%, compared to the same month of 2023 and to its historic average, respectively.

In the technical report Environmental Statistics is stated that the average Flow of the Chillon River reached 13.26 m3/s, a higher result in 65.3% and 63.7% compared to the month of January of 2023 and to its historic average.

During the first month of the current year and according to the data provided by the Potable Water and Sewage Service of Lima (SEDAPAL), The production of potable water in Lima Metropolitan area totalized 70 million 958 thousand cubic meters, which represented an increase of 3.1% compared to January of 2023 (68 million 825 thousand cubic meters).

During the month of January of 2024 and according with the SENAMHI information, the city of Lima reached the level 7 of ultraviolet radiation, it means, of high risk for health. Compared to the level reported in the same month of 2023, did not registered variation.

Compared to the maximum level of ultraviolet radiation, it was registered that the capital city reached the category 8, of very high risk for health.

During the month of January, the rivers of the north zone of the Pacific Ocean watershed reported increase in its flows. From which, the Tumbes rivers reached 170,29 m3/s, greater in 132.1% and 96.7% compared to the same month of 2023 and to its historic average. Likewise, the flow of the Calvas River (20,58 m3/s) increased in 22.0% compared with January of 2023; nevertheless, it decreased in 36.9% compared to its historical average.

On the other hand, the flow of the Chira River (80,26 m3/s) decreased in 4.6% and 1.4% compared to the month of January of 2023 and to its historic average. Likewise, the flow of Jequetepeque River (19.98%) decreased in 33.1% and 31.1% compared to the month of January of 2023 and to its historic average.

In the case of the rivers of the center zone of Pacific Ocean watershed, also it was observed an increase in their river flows. Therefore, the volume of the Chancay-Huaral River totalized 36,03 m3/s which represented an increase of 26.3% and 55.8% compared to January of 2023 and to its historic average, respectively. Meanwhile, the flow of Mala River reached 63,25 m3/s, amount greater in 106.4% and 82.7% compared to the month of January of 2023 and to its historic average.

During the month of January of 2024 and according to the monitoring of 6 SENAMHI stations, the departments of Tacna, Arequipa and Puno registered the lowest temperatures.

In the department of Tacna, in the stations of Paucarani (-9.4 °C), Vilacota (-3.2 °C) and Bocatoma (-2.5 °C); in Arequipa, Tisco (-4.1 °C) and Porpera (-1.0 °C); and in Puno, in the station of Mazo Cruz (-2.2°C).

During the month of January of the current year and according to the information of the National Institute of Civil Defense (INDECI), at national level were registered 1020 emergencies, a higher result in 209.1% compared to the same month of 2023. The emergencies left 5,040 affected people, 14,105 affected homes, 481 destroyed households and 8,656 hectares of crops lost.

The greater number of emergencies was reported in the departments of: Ayacucho (144) and Huánuco (107), followed by Apurímac and Huancavelica (89 in each one), Cajamarca (65), Piura (54), Pasco (46), Cusco (45), Junín (42), Lima Metropolitan area (39), Ancash (35), Arequipa and Lima Provinces (33 in each one), La Libertad (32), Puno (26), Amazonas (20), Ica and Ucayali (18 in each one), San Martin and Tumbes (14 in each one), Tacna (13), Lambayeque (11), Callao and Madre de Dios (9 in each one), Loreto (8) and Moquegua (7).

These emergencies were caused by heavy rains (483), urban fires (148), strong winds (66), thunderstorms (winds with rains) (57), flood due to overflowing of river (51), hailstorms (47), landslide (41), collapse of housing (24), huaycos (19), frosts, huaicos, flood due to channels overflow (13 in each case), hills collapse and electric storms (8 in each case), pests (7), forest fire (4), collapse by antiquity (3), water deficit, bank erosion, snowfalls, abnormal swells, floods due to overflow in the levee breach (2 in each case), floods, desertification, reptation and flood and DSNPP potentially hazardous radioactive material (1 in each case).