Ferguson Valley Threshold Days by Year

4 fixed thresholds counted per year at Ferguson Valley (ASN00009912): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ferguson Valley Thresholds

Ferguson Valley: days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 1991 with 45.
Ferguson Valley: days with 25 mm (0.98 in) or more of precipitation in 54 years, most in 1974 with 18.
Ferguson Valley: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1978 with 2.
Ferguson Valley: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1982 with 1.
4 fixed thresholds have at least one qualifying day at Ferguson Valley.

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

54 years with a qualifying day

Days per year at Ferguson Valley with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1991.

Days with 10 mm (0.39 in) or more of precipitation per year at Ferguson Valley
Year	Days	Decade average
1973	44	33
1974	43	33
1975	28	33
1976	31	33
1977	27	33
1978	33	33
1979	25	33
1980	42	32.5
1981	28	32.5
1982	29	32.5
1983	39	32.5
1984	33	32.5
1985	29	32.5
1986	31	32.5
1987	25	32.5
1988	40	32.5
1989	29	32.5
1990	42	35.6
1991	45	35.6
1992	42	35.6
1993	33	35.6
1994	28	35.6
1995	28	35.6
1996	41	35.6
1997	29	35.6
1998	34	35.6
1999	34	35.6
2000	29	28.5
2001	21	28.5
2002	28	28.5
2003	29	28.5
2004	30	28.5
2005	36	28.5
2006	21	28.5
2007	29	28.5
2008	28	28.5
2009	34	28.5
2010	16	28.3
2011	33	28.3
2012	31	28.3
2013	38	28.3
2014	23	28.3
2015	22	28.3
2016	37	28.3
2017	30	28.3
2018	27	28.3
2019	26	28.3
2020	30	26.3
2021	36	26.3
2022	25	26.3
2023	21	26.3
2024	26	26.3
2025	28	26.3
2026	18	26.3

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

First to last qualifying date each year at Ferguson Valley
Year	First date	Last date
1973	1973-04-12	1973-11-01
1974	1974-04-04	1974-10-30
1975	1975-03-22	1975-11-17
1976	1976-01-07	1976-11-28
1977	1977-05-16	1977-10-27
1978	1978-02-18	1978-12-22
1979	1979-02-16	1979-11-14
1980	1980-02-11	1980-12-31
1981	1981-03-06	1981-11-26
1982	1982-01-21	1982-12-11
1983	1983-02-07	1983-12-30
1984	1984-04-12	1984-12-28
1985	1985-02-09	1985-11-08
1986	1986-02-21	1986-11-09
1987	1987-03-17	1987-12-24
1988	1988-03-24	1988-11-07
1989	1989-02-16	1989-12-24
1990	1990-02-15	1990-11-17
1991	1991-02-01	1991-12-26
1992	1992-02-07	1992-12-01
1993	1993-03-19	1993-11-10
1994	1994-05-16	1994-10-14
1995	1995-05-10	1995-12-24
1996	1996-05-08	1996-12-12
1997	1997-02-20	1997-11-21
1998	1998-03-10	1998-10-16
1999	1999-05-06	1999-12-20
2000	2000-01-15	2000-11-08
2001	2001-05-06	2001-12-04
2002	2002-03-31	2002-11-01
2003	2003-02-16	2003-11-19
2004	2004-04-21	2004-11-25
2005	2005-03-10	2005-11-27
2006	2006-04-25	2006-11-29
2007	2007-01-03	2007-10-08
2008	2008-02-04	2008-11-06
2009	2009-02-26	2009-11-18
2010	2010-03-23	2010-11-10
2011	2011-01-06	2011-12-31
2012	2012-02-03	2012-12-13
2013	2013-03-15	2013-11-30
2014	2014-05-08	2014-09-22
2015	2015-03-14	2015-10-31
2016	2016-01-20	2016-10-08
2017	2017-02-10	2017-12-18
2018	2018-01-16	2018-12-06
2019	2019-03-07	2019-11-01
2020	2020-02-27	2020-11-10
2021	2021-02-07	2021-11-22
2022	2022-04-11	2022-09-19
2023	2023-04-11	2023-10-02
2024	2024-05-03	2024-11-20
2025	2025-03-14	2025-12-15
2026	2026-03-28	2026-09-19

Every Fixed Threshold

Fixed thresholds at Ferguson Valley
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	54	45	1991	18
25 mm (0.98 in): Days with 25 mm or more rain	54	18	1974	6
50 mm (1.97 in): Days with 50 mm or more rain	29	2	1978	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1982	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

Data for Ferguson Valley 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).

Ferguson Valley Threshold Days by Year

Key Facts for Ferguson Valley Thresholds

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

Every Fixed Threshold

Download the Data

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