Eldora Threshold Days by Year (USC00132573)

18 fixed thresholds counted per year at Eldora (USC00132573): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Eldora Thresholds

Eldora: days with 10 mm (0.39 in) or more of precipitation in 73 years, most in 1993 with 42.
Eldora: days with 25 mm (0.98 in) or more of precipitation in 73 years, most in 2007 with 22.
Eldora: days with 10 cm (3.9 in) or more of snowfall in 67 years, most in 1959 with 9.
Eldora: days with a maximum temperature at or above 30 C (86 F) in 64 years, most in 1988 with 72.
18 fixed thresholds have at least one qualifying day at Eldora.

Days at or above 30 C (86 F)

64 years with a qualifying day

Days per year at Eldora with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 72 in 1988.

Days at or above 30 C (86 F) per year at Eldora
Year	Days	Decade average
1958	18	33.5
1959	49	33.5
1960	29	31.4
1961	27	31.4
1962	31	31.4
1963	42	31.4
1964	46	31.4
1965	25	31.4
1966	34	31.4
1967	19	31.4
1968	34	31.4
1969	27	31.4
1970	50	39.2
1971	42	39.2
1972	38	39.2
1973	32	39.2
1974	30	39.2
1975	51	39.2
1976	48	39.2
1977	41	39.2
1978	28	39.2
1979	32	39.2
1980	60	45.7
1981	30	45.7
1982	23	45.7
1983	63	45.7
1984	42	45.7
1985	40	45.7
1986	33	45.7
1987	54	45.7
1988	72	45.7
1989	40	45.7
1990	35	31.6
1991	52	31.6
1992	19	31.6
1993	22	31.6
1994	22	31.6
1995	37	31.6
1996	23	31.6
1997	35	31.6
1998	34	31.6
1999	37	31.6
2000	29	35.8
2001	42	35.8
2002	48	35.8
2003	33	35.8
2004	22	35.8
2005	49	35.8
2006	47	35.8
2007	50	35.8
2008	26	35.8
2009	12	35.8
2010	36	38.1
2011	45	38.1
2012	57	38.1
2013	37	38.1
2015	22	38.1
2016	32	38.1
2017	36	38.1
2018	38	38.1
2019	40	38.1
2020	56	52.3
2021	57	52.3
2022	44	52.3

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

First to last qualifying date each year at Eldora
Year	First date	Last date
1958	1958-05-11	1958-09-03
1959	1959-05-02	1959-09-08
1960	1960-04-22	1960-09-07
1961	1961-05-31	1961-09-10
1962	1962-05-05	1962-09-12
1963	1963-05-08	1963-10-06
1964	1964-05-18	1964-09-07
1965	1965-04-30	1965-09-09
1966	1966-05-05	1966-08-30
1967	1967-05-19	1967-08-17
1968	1968-05-03	1968-08-24
1969	1969-05-28	1969-08-31
1970	1970-04-29	1970-09-21
1971	1971-05-15	1971-10-01
1972	1972-05-20	1972-09-19
1973	1973-06-08	1973-09-01
1974	1974-06-15	1974-09-27
1975	1975-05-19	1975-10-14
1976	1976-05-21	1976-10-03
1977	1977-04-17	1977-08-28
1978	1978-05-26	1978-09-13
1979	1979-05-18	1979-09-12
1980	1980-04-21	1980-09-21
1981	1981-04-28	1981-09-14
1982	1982-06-25	1982-09-12
1983	1983-06-09	1983-10-03
1984	1984-05-18	1984-09-25
1985	1985-04-18	1985-09-19
1986	1986-03-30	1986-09-27
1987	1987-04-21	1987-09-06
1988	1988-05-21	1988-09-18
1989	1989-05-30	1989-09-01
1990	1990-06-11	1990-10-06
1991	1991-04-07	1991-09-14
1992	1992-05-01	1992-10-03
1993	1993-06-12	1993-10-08
1994	1994-04-19	1994-09-16
1995	1995-06-16	1995-08-31
1996	1996-05-18	1996-09-06
1997	1997-06-16	1997-10-07
1998	1998-05-15	1998-09-27
1999	1999-05-28	1999-09-08
2000	2000-05-12	2000-09-19
2001	2001-05-15	2001-08-30
2002	2002-04-16	2002-10-01
2003	2003-04-02	2003-10-20
2004	2004-04-17	2004-09-20
2005	2005-06-07	2005-10-05
2006	2006-04-14	2006-10-04
2007	2007-04-30	2007-10-07
2008	2008-05-26	2008-09-18
2009	2009-04-25	2009-08-15
2010	2010-05-25	2010-10-10
2011	2011-04-11	2011-09-13
2012	2012-05-18	2012-09-12
2013	2013-05-15	2013-09-19
2015	2015-06-10	2015-09-17
2016	2016-05-07	2016-09-22
2017	2017-05-16	2017-09-25
2018	2018-05-24	2018-09-21
2019	2019-05-17	2019-10-01
2020	2020-06-02	2020-09-26
2021	2021-05-02	2021-10-01
2022	2022-05-10	2022-09-21

Every Fixed Threshold

Fixed thresholds at Eldora
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	64	72	1988	44
35 C (95 F): Days	45	33	1988	2
40 C (104 F): Days	1	6	1988	6
90 F (32.2 C): Days	64	57	1988	20
100 F (37.8 C): Days	10	17	1988	1
0 C (32 F): Ice days (max	64	90	1978	66
0 C (32 F): Frost days (min	64	178	1989	174
-10 C (14 F): Days with min	64	85	1978	74
-20 C (-4 F): Days with min	64	36	1963	27
-30 C (-22 F): Days with min	14	6	1994	2
20 C (68 F): Tropical nights (min	64	28	1983	12
25 C (77 F): Days with min	1	1	1988	1
10 mm (0.39 in): Days with 10 mm or more rain	73	42	1993	28
25 mm (0.98 in): Days with 25 mm or more rain	73	22	2007	7
50 mm (1.97 in): Days with 50 mm or more rain	62	5	1990	1
100 mm (3.94 in): Days with 100 mm or more rain	10	1	1950	1
10 cm (3.9 in): Days with 10 cm or more snowfall	67	9	1959	1
25 cm (9.8 in): Days with 25 cm or more snowfall	9	2	2009	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

Data for Eldora 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).

Eldora Threshold Days by Year (USC00132573)

Key Facts for Eldora Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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