Ouray 4NE Threshold Days by Year (USC00426568)

17 fixed thresholds counted per year at Ouray 4NE (USC00426568): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ouray 4NE Thresholds

Ouray 4NE: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1965 with 9.
Ouray 4NE: nights with a minimum temperature at or below 0 C (32 F) in 58 years, most in 1967 with 194.
Ouray 4NE: nights with a minimum temperature at or below -10 C (14 F) in 58 years, most in 1964 with 100.
Ouray 4NE: nights with a minimum temperature at or below -20 C (-4 F) in 56 years, most in 2013 with 55.
17 fixed thresholds have at least one qualifying day at Ouray 4NE.

Days at or above 30 C (86 F)

42 years with a qualifying day

Days per year at Ouray 4NE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 127 in 2018.

Days at or above 30 C (86 F) per year at Ouray 4NE
Year	Days	Decade average
1942	98	99.7
1943	108	99.7
1944	93	99.7
1960	87	79.7
1961	87	79.7
1962	85	79.7
1963	74	79.7
1964	74	79.7
1965	61	79.7
1966	93	79.7
1967	79	79.7
1968	73	79.7
1969	84	79.7
1971	89	86.6
1972	85	86.6
1973	77	86.6
1974	97	86.6
1975	79	86.6
1976	85	86.6
1977	94	86.6
1989	88	88
1996	91	88.5
1998	86	88.5
2005	87	92
2006	98	92
2007	103	92
2008	87	92
2009	85	92
2010	104	96.2
2011	75	96.2
2012	81	96.2
2013	102	96.2
2014	88	96.2
2015	97	96.2
2016	96	96.2
2017	104	96.2
2018	127	96.2
2019	88	96.2
2020	109	101
2021	108	101
2022	107	101
2023	80	101

For each year, a bar from the first to the last day at Ouray 4NE meeting 30 C (86 F).

First to last qualifying date each year at Ouray 4NE
Year	First date	Last date
1942	1942-05-22	1942-10-11
1943	1943-04-30	1943-09-25
1944	1944-05-08	1944-09-28
1960	1960-05-11	1960-09-28
1961	1961-05-10	1961-09-07
1962	1962-05-06	1962-09-20
1963	1963-05-17	1963-09-28
1964	1964-05-15	1964-09-11
1965	1965-05-30	1965-09-13
1966	1966-05-04	1966-09-24
1967	1967-05-18	1967-09-08
1968	1968-05-29	1968-09-11
1969	1969-05-18	1969-09-29
1971	1971-05-27	1971-09-15
1972	1972-05-16	1972-09-18
1973	1973-05-17	1973-09-20
1974	1974-05-08	1974-09-26
1975	1975-05-15	1975-09-17
1976	1976-05-14	1976-09-17
1977	1977-05-31	1977-09-10
1989	1989-04-21	1989-09-30
1996	1996-05-12	1996-10-11
1998	1998-05-19	1998-09-18
2005	2005-05-19	2005-09-09
2006	2006-05-12	2006-09-14
2007	2007-04-29	2007-09-22
2008	2008-05-18	2008-09-28
2009	2009-05-18	2009-09-30
2010	2010-05-27	2010-10-03
2011	2011-05-07	2011-09-06
2012	2012-04-23	2012-09-16
2013	2013-05-13	2013-09-17
2014	2014-05-03	2014-09-26
2015	2015-05-31	2015-09-28
2016	2016-06-02	2016-09-20
2017	2017-05-05	2017-09-13
2018	2018-05-07	2018-09-30
2019	2019-06-07	2019-09-27
2020	2020-05-01	2020-09-27
2021	2021-05-06	2021-09-28
2022	2022-05-16	2022-09-28
2023	2023-06-18	2023-09-29

Every Fixed Threshold

Fixed thresholds at Ouray 4NE
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	42	127	2018	80
35 C (95 F): Days	42	65	2020	30
40 C (104 F): Days	12	6	1989	1
90 F (32.2 C): Days	42	93	2018	58
100 F (37.8 C): Days	37	22	2021	9
0 C (32 F): Ice days (max	42	90	2013	71
0 C (32 F): Frost days (min	58	194	1967	175
-10 C (14 F): Days with min	58	100	1964	75
-20 C (-4 F): Days with min	56	55	2013	27
-30 C (-22 F): Days with min	26	13	2013	2
-40 C (-40 F): Days with min	4	2	1989	1
20 C (68 F): Tropical nights (min	34	6	2007	4
10 mm (0.39 in): Days with 10 mm or more rain	61	9	1965	1
25 mm (0.98 in): Days with 25 mm or more rain	17	2	1943	1
50 mm (1.97 in): Days with 50 mm or more rain	1	1	2016	1
10 cm (3.9 in): Days with 10 cm or more snowfall	33	4	1944	2
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1944	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

Data for Ouray 4NE 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Ouray 4NE Threshold Days by Year (USC00426568)

Key Facts for Ouray 4NE Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related