| Grafico de lluvias año hidrológico |  | |
| 1937 |  789 | |
| 1938 |  437 | |
| 1939 | 411 | |
| 1940 | 672 | |
| 1941 | 1058 | |
| 1942 | 484 | |
| 1943 | 469 | |
| 1944 | 511 | |
| 1945 | 234 | |
| 1946 | 514 | |
| 1947 | 904 | |
| 1948 | 656 | |
| 1949 | 393 | |
| 1950 | 429 | |
| 1951 | 966 | |
| 1952 | 800 | |
| 1953 | 339 | |
| 1954 | 359 | |
| 1955 | 543 | |
| 1956 | 663 | |
| 1957 | 404 | |
| 1958 | 600 | |
| 1959 | 516 | |
| 1960 | 917 | |
| 1961 | 630 | |
| 1962 | 635 | |
| 1963 | 1041 | |
| 1964 | 720 | |
| 1965 | 427 | |
| 1966 | 690 | |
| 1967 | 432 | |
| 1968 | 563 | |
| 1969 | 1007 | |
| 1970 | 672 | |
| 1971 | 758 | |
| 1972 | 663 | |
| 1973 | 497 | |
| 1974 | 637 | |
| 1975 | 460 | |
| 1976 | 504 | |
| 1977 | 794 | |
| 1978 | 656 | |
| 1979 | 697 | |
| 1980 | 519 | |
| 1981 | 412 | |
| 1982 | 429 | |
| 1983 | 444 | |
| 1984 | 699 | |
| 1985 | 523 | |
| 1986 | 547 | |
| 1987 | 545 | |
| 1988 | 597 | |
| 1989 | 505 | |
| 1990 | 478 | |
| 1991 | 427 | |
| 1992 | 548 | |
| 1993 | 411 | |
| 1994 | 387 | |
| 1995 | 279 | |
| 1996 | 852 | |
| 1997 | 739 | |
| 1998 | 799 | |
| 1999 | 266 | |
| 2000 | 485 | |
| 2001 | 713 | |
| 2002 | 427 | |
| 2003 | 597 | |
| 2004 | 640 | |
| 2005 | 299 | |
| 2006 | 533 | |
| 2007 | 476 | |
| 2008 | 485 | |
| 2009 | 574 | |
| 2010 | 958 | |
| 2011 | 986 | |
| 2012 | 401 | |
| 2013 | 1130 | |
| 2014 | 549 | |
| 2015 | 421 | |
| 2016 | 634 | |
| 2017 | 481 | |
| 2018 | 729 | |
| 2019 | 430 | |
| 2020 | 571 | |
| 2021 | 528 | |
| 2022 | 457 | |
| 2023 | 413 | |
| 2024 | 604 | |
| 2025 | 553 | |