Ridgway Threshold Days by Year (USC00057020)

12 fixed thresholds counted per year at Ridgway (USC00057020): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ridgway Thresholds

Ridgway: days with a maximum temperature at or above 30 C (86 F) in 43 years, most in 2018 with 77.
Ridgway: days with a maximum temperature at or below 0 C (32 F) in 43 years, most in 1988 with 41.
Ridgway: nights with a minimum temperature at or below 0 C (32 F) in 43 years, most in 2008 with 242.
Ridgway: nights with a minimum temperature at or below -10 C (14 F) in 43 years, most in 1984 with 114.
12 fixed thresholds have at least one qualifying day at Ridgway.

Days at or above 30 C (86 F)

43 years with a qualifying day

Days per year at Ridgway with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 77 in 2018.

Days at or above 30 C (86 F) per year at Ridgway
Year	Days	Decade average
1984	3	7.7
1985	8	7.7
1986	6	7.7
1987	4	7.7
1988	12	7.7
1989	13	7.7
1990	19	13.5
1991	6	13.5
1992	8	13.5
1993	12	13.5
1994	32	13.5
1995	13	13.5
1996	12	13.5
1997	11	13.5
1998	18	13.5
1999	4	13.5
2000	29	33
2001	13	33
2002	63	33
2003	55	33
2004	16	33
2005	27	33
2006	31	33
2007	45	33
2008	32	33
2009	19	33
2010	23	40.4
2011	29	40.4
2012	14	40.4
2013	48	40.4
2014	30	40.4
2015	35	40.4
2016	39	40.4
2017	54	40.4
2018	77	40.4
2019	55	40.4
2020	68	61.3
2021	68	61.3
2022	53	61.3
2023	58	61.3
2024	55	61.3
2025	66	61.3
2026	61	61.3

For each year, a bar from the first to the last day at Ridgway meeting 30 C (86 F).

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

Every Fixed Threshold

Fixed thresholds at Ridgway
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	43	77	2018	61
35 C (95 F): Days	18	7	2018	3
90 F (32.2 C): Days	33	43	2018	39
0 C (32 F): Ice days (max	43	41	1988	8
0 C (32 F): Frost days (min	43	242	2008	110
-10 C (14 F): Days with min	43	114	1984	33
-20 C (-4 F): Days with min	43	40	1984	5
-30 C (-22 F): Days with min	12	5	1984	1
10 mm (0.39 in): Days with 10 mm or more rain	38	21	1986	8
25 mm (0.98 in): Days with 25 mm or more rain	16	4	1988	1
10 cm (3.9 in): Days with 10 cm or more snowfall	37	15	1984	5
25 cm (9.8 in): Days with 25 cm or more snowfall	15	4	1988	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1984.

Download the Data

Data for Ridgway 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).

Ridgway Threshold Days by Year (USC00057020)

Key Facts for Ridgway Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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