Ratcliff Threshold Days by Year (USC00036008)

6 fixed thresholds counted per year at Ratcliff (USC00036008): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ratcliff Thresholds

Ratcliff: days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 1990 with 52.
Ratcliff: days with 25 mm (0.98 in) or more of precipitation in 74 years, most in 2015 with 22.
Ratcliff: days with 50 mm (1.97 in) or more of precipitation in 69 years, most in 1961 with 10.
Ratcliff: days with 10 cm (3.9 in) or more of snowfall in 16 years, most in 1978 with 2.
6 fixed thresholds have at least one qualifying day at Ratcliff.

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

74 years with a qualifying day

Days per year at Ratcliff with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 52 in 1990.

Days with 10 mm (0.39 in) or more of precipitation per year at Ratcliff
Year	Days	Decade average
1948	35	36
1949	37	36
1950	38	31.4
1953	28	31.4
1954	29	31.4
1955	26	31.4
1956	30	31.4
1957	41	31.4
1958	28	31.4
1960	25	28.4
1961	30	28.4
1962	34	28.4
1963	17	28.4
1964	26	28.4
1965	23	28.4
1966	22	28.4
1967	35	28.4
1968	42	28.4
1969	30	28.4
1970	36	34.6
1971	27	34.6
1972	34	34.6
1973	47	34.6
1974	35	34.6
1976	26	34.6
1977	31	34.6
1978	32	34.6
1979	43	34.6
1980	24	36.5
1981	38	36.5
1982	32	36.5
1983	34	36.5
1984	46	36.5
1985	35	36.5
1986	40	36.5
1987	42	36.5
1988	35	36.5
1989	39	36.5
1990	52	38.8
1991	41	38.8
1992	34	38.8
1993	38	38.8
1994	41	38.8
1995	31	38.8
1996	39	38.8
1997	34	38.8
1998	38	38.8
1999	40	38.8
2000	34	35.6
2001	31	35.6
2003	29	35.6
2004	40	35.6
2005	28	35.6
2006	38	35.6
2007	30	35.6
2008	43	35.6
2009	47	35.6
2010	37	37
2011	41	37
2012	32	37
2013	43	37
2014	34	37
2015	45	37
2016	28	37
2017	31	37
2018	35	37
2019	44	37
2020	39	32.7
2021	31	32.7
2022	24	32.7
2023	38	32.7
2024	40	32.7
2025	39	32.7
2026	18	32.7

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

First to last qualifying date each year at Ratcliff
Year	First date	Last date
1948	1948-01-01	1948-12-15
1949	1949-01-16	1949-12-23
1950	1950-01-03	1950-09-16
1953	1953-01-17	1953-12-03
1954	1954-01-10	1954-12-30
1955	1955-01-10	1955-12-01
1956	1956-01-19	1956-12-20
1957	1957-01-22	1957-12-25
1958	1958-01-12	1958-12-13
1960	1960-02-04	1960-12-11
1961	1961-01-15	1961-12-15
1962	1962-01-05	1962-11-27
1963	1963-01-05	1963-12-22
1964	1964-01-31	1964-12-09
1965	1965-01-02	1965-11-04
1966	1966-01-02	1966-12-28
1967	1967-02-02	1967-12-28
1968	1968-01-23	1968-11-28
1969	1969-02-15	1969-12-29
1970	1970-02-02	1970-12-21
1971	1971-01-02	1971-12-15
1972	1972-03-26	1972-12-21
1973	1973-01-03	1973-12-31
1974	1974-01-26	1974-12-27
1976	1976-03-05	1976-12-11
1977	1977-01-09	1977-12-30
1978	1978-01-17	1978-12-31
1979	1979-01-05	1979-12-24
1980	1980-01-03	1980-12-09
1981	1981-01-21	1981-11-30
1982	1982-01-22	1982-12-28
1983	1983-01-27	1983-12-14
1984	1984-01-10	1984-12-30
1985	1985-01-09	1985-12-11
1986	1986-02-03	1986-12-09
1987	1987-01-08	1987-12-27
1988	1988-01-07	1988-12-27
1989	1989-01-06	1989-12-29
1990	1990-01-04	1990-12-31
1991	1991-01-06	1991-12-23
1992	1992-01-13	1992-12-29
1993	1993-01-04	1993-12-13
1994	1994-01-11	1994-12-16
1995	1995-01-06	1995-12-19
1996	1996-01-02	1996-12-15
1997	1997-02-04	1997-12-24
1998	1998-01-05	1998-12-21
1999	1999-01-02	1999-12-12
2000	2000-01-03	2000-12-31
2001	2001-01-10	2001-12-15
2003	2003-02-14	2003-12-23
2004	2004-01-17	2004-12-07
2005	2005-01-03	2005-11-01
2006	2006-01-23	2006-12-30
2007	2007-01-13	2007-12-15
2008	2008-02-06	2008-12-28
2009	2009-01-27	2009-11-30
2010	2010-01-21	2010-12-30
2011	2011-02-02	2011-12-27
2012	2012-01-11	2012-12-29
2013	2013-01-01	2013-12-22
2014	2014-01-09	2014-12-18
2015	2015-01-02	2015-12-28
2016	2016-02-24	2016-12-06
2017	2017-01-16	2017-12-20
2018	2018-01-08	2018-12-31
2019	2019-01-04	2019-12-29
2020	2020-01-10	2020-12-14
2021	2021-01-07	2021-11-25
2022	2022-01-01	2022-12-10
2023	2023-01-03	2023-12-01
2024	2024-01-09	2024-12-27
2025	2025-01-10	2025-11-30
2026	2026-01-24	2026-10-02

Every Fixed Threshold

Fixed thresholds at Ratcliff
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	74	52	1990	18
25 mm (0.98 in): Days with 25 mm or more rain	74	22	2015	10
50 mm (1.97 in): Days with 50 mm or more rain	69	10	1961	1
100 mm (3.94 in): Days with 100 mm or more rain	13	2	1982	1
10 cm (3.9 in): Days with 10 cm or more snowfall	16	2	1978	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	2008	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

Data for Ratcliff 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Ratcliff Threshold Days by Year (USC00036008)

Key Facts for Ratcliff Thresholds

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

Every Fixed Threshold

Download the Data

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