Guajataca Dam Threshold Days by Year (RQC00663904)

4 fixed thresholds counted per year at Guajataca Dam (RQC00663904): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Guajataca Dam Thresholds

Guajataca Dam: days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 1981 with 76.
Guajataca Dam: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 1981 with 38.
Guajataca Dam: days with 50 mm (1.97 in) or more of precipitation in 58 years, most in 1981 with 10.
Guajataca Dam: days with 100 mm (3.94 in) or more of precipitation in 26 years, most in 1963 with 2.
4 fixed thresholds have at least one qualifying day at Guajataca Dam.

Days with 10 mm (0.39 in) or more of precipitation

58 years with a qualifying day

Days per year at Guajataca Dam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 76 in 1981.

Days with 10 mm (0.39 in) or more of precipitation per year at Guajataca Dam
Year	Days	Decade average
1955	58	63
1956	72	63
1957	58	63
1958	57	63
1959	70	63
1960	72	61
1961	71	61
1962	56	61
1963	62	61
1964	55	61
1965	67	61
1966	64	61
1967	48	61
1968	62	61
1969	53	61
1970	60	53.8
1971	54	53.8
1972	55	53.8
1973	56	53.8
1974	58	53.8
1975	46	53.8
1976	43	53.8
1977	46	53.8
1979	66	53.8
1980	53	55.2
1981	76	55.2
1982	56	55.2
1983	41	55.2
1984	56	55.2
1985	48	55.2
1987	62	55.2
1988	57	55.2
1989	48	55.2
1990	46	52.8
1991	48	52.8
1992	59	52.8
1993	54	52.8
1994	46	52.8
1995	47	52.8
1996	55	52.8
1997	48	52.8
1998	72	52.8
2001	56	54.4
2002	44	54.4
2003	39	54.4
2004	48	54.4
2005	63	54.4
2007	74	54.4
2009	57	54.4
2010	68	65.3
2011	66	65.3
2012	62	65.3
2021	55	44.5
2022	45	44.5
2023	44	44.5
2024	61	44.5
2025	44	44.5
2026	18	44.5

For each year, a bar from the first to the last day at Guajataca Dam meeting 10 mm (0.39 in).

First to last qualifying date each year at Guajataca Dam
Year	First date	Last date
1955	1955-01-01	1955-12-29
1956	1956-01-01	1956-12-21
1957	1957-01-08	1957-12-28
1958	1958-01-09	1958-11-15
1959	1959-01-06	1959-12-26
1960	1960-01-02	1960-12-14
1961	1961-01-04	1961-12-23
1962	1962-01-13	1962-12-20
1963	1963-01-03	1963-12-25
1964	1964-02-11	1964-12-30
1965	1965-01-05	1965-12-30
1966	1966-01-18	1966-12-27
1967	1967-01-09	1967-12-20
1968	1968-01-05	1968-12-15
1969	1969-01-15	1969-12-16
1970	1970-01-10	1970-12-18
1971	1971-01-04	1971-12-02
1972	1972-01-14	1972-12-09
1973	1973-02-06	1973-12-04
1974	1974-01-20	1974-12-10
1975	1975-01-01	1975-12-25
1976	1976-02-07	1976-12-28
1977	1977-01-20	1977-11-18
1979	1979-01-07	1979-12-24
1980	1980-02-06	1980-12-26
1981	1981-01-01	1981-12-15
1982	1982-01-28	1982-12-30
1983	1983-01-19	1983-11-07
1984	1984-01-09	1984-12-28
1985	1985-01-02	1985-12-30
1987	1987-01-07	1987-12-21
1988	1988-01-01	1988-11-17
1989	1989-02-16	1989-11-07
1990	1990-02-14	1990-12-15
1991	1991-01-01	1991-12-23
1992	1992-01-02	1992-12-30
1993	1993-01-30	1993-12-06
1994	1994-01-24	1994-12-17
1995	1995-02-26	1995-12-19
1996	1996-01-11	1996-12-21
1997	1997-01-02	1997-12-31
1998	1998-01-20	1998-12-21
2001	2001-01-04	2001-12-24
2002	2002-01-08	2002-11-15
2003	2003-01-26	2003-12-29
2004	2004-01-05	2004-12-30
2005	2005-01-02	2005-11-28
2007	2007-01-09	2007-11-22
2009	2009-01-16	2009-12-30
2010	2010-01-07	2010-12-29
2011	2011-01-04	2011-12-27
2012	2012-01-05	2012-12-28
2021	2021-01-21	2021-12-13
2022	2022-01-10	2022-11-15
2023	2023-01-02	2023-12-23
2024	2024-01-25	2024-12-29
2025	2025-01-07	2025-12-25
2026	2026-01-30	2026-08-24

Every Fixed Threshold

Fixed thresholds at Guajataca Dam
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	58	76	1981	18
25 mm (0.98 in): Days with 25 mm or more rain	58	38	1981	5
50 mm (1.97 in): Days with 50 mm or more rain	58	10	1981	2
100 mm (3.94 in): Days with 100 mm or more rain	26	2	1963	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

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Data for Guajataca Dam threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Guajataca Dam Threshold Days by Year (RQC00663904)

Key Facts for Guajataca Dam Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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