Leadville Lake Co AP Threshold Days by Year (USW00093009)

11 fixed thresholds counted per year at Leadville Lake Co AP (USW00093009): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Leadville Lake Co AP Thresholds

Leadville Lake Co AP: nights with a minimum temperature at or below 0 C (32 F) in 69 years, most in 1987 with 299.
Leadville Lake Co AP: nights with a minimum temperature at or below -10 C (14 F) in 69 years, most in 1984 with 150.
Leadville Lake Co AP: nights with a minimum temperature at or below -20 C (-4 F) in 69 years, most in 1972 with 44.
Leadville Lake Co AP: days with a maximum temperature at or below 0 C (32 F) in 68 years, most in 1952 with 104.
11 fixed thresholds have at least one qualifying day at Leadville Lake Co AP.

Nights at or below 0 C (32 F)

69 years with a qualifying day

Days per year at Leadville Lake Co AP with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 299 in 1987.

Nights at or below 0 C (32 F) per year at Leadville Lake Co AP
Year	Days	Decade average
1949	246	246
1950	250	244
1951	261	244
1952	243	244
1953	243	244
1954	233	244
1955	248	244
1956	228	244
1957	257	244
1958	237	244
1959	240	244
1960	246	255.4
1961	254	255.4
1962	254	255.4
1964	218	255.4
1965	280	255.4
1966	258	255.4
1967	259	255.4
1968	273	255.4
1969	257	255.4
1970	271	282
1972	279	282
1974	284	282
1977	280	282
1978	296	282
1983	271	282.1
1984	269	282.1
1985	288	282.1
1986	287	282.1
1987	299	282.1
1988	277	282.1
1989	284	282.1
1990	277	279
1991	282	279
1992	291	279
1993	297	279
1994	275	279
1995	293	279
1996	280	279
1997	253	279
1998	271	279
1999	271	279
2000	255	267
2001	274	267
2002	277	267
2003	268	267
2004	288	267
2005	255	267
2006	264	267
2007	260	267
2008	269	267
2009	260	267
2010	268	265.7
2011	267	265.7
2012	267	265.7
2013	262	265.7
2014	264	265.7
2015	253	265.7
2016	272	265.7
2017	259	265.7
2018	267	265.7
2019	278	265.7
2020	273	253.1
2021	267	253.1
2022	263	253.1
2023	263	253.1
2024	256	253.1
2025	279	253.1
2026	171	253.1

For each year, a bar from the first to the last day at Leadville Lake Co AP meeting 0 C (32 F).

First to last qualifying date each year at Leadville Lake Co AP
Year	First date	Last date
1949	1949-01-01	1949-12-30
1950	1950-01-01	1950-12-31
1951	1951-01-01	1951-12-31
1952	1952-01-01	1952-12-31
1953	1953-01-01	1953-12-31
1954	1954-01-01	1954-12-31
1955	1955-01-01	1955-12-31
1956	1956-01-01	1956-12-31
1957	1957-01-01	1957-12-31
1958	1958-01-01	1958-12-31
1959	1959-01-01	1959-12-31
1960	1960-01-01	1960-12-31
1961	1961-01-01	1961-12-31
1962	1962-01-01	1962-12-31
1964	1964-02-01	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-31
1967	1967-01-01	1967-12-31
1968	1968-01-01	1968-12-31
1969	1969-01-01	1969-12-31
1970	1970-01-01	1970-12-31
1972	1972-01-01	1972-12-31
1974	1974-01-01	1974-12-31
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-31
1983	1983-01-02	1983-12-31
1984	1984-01-01	1984-12-31
1985	1985-01-01	1985-12-31
1986	1986-01-01	1986-12-31
1987	1987-01-01	1987-12-31
1988	1988-01-01	1988-12-31
1989	1989-01-01	1989-12-31
1990	1990-01-01	1990-12-31
1991	1991-01-01	1991-12-31
1992	1992-01-01	1992-12-31
1993	1993-01-01	1993-12-31
1994	1994-01-01	1994-12-31
1995	1995-01-01	1995-12-31
1996	1996-01-01	1996-12-31
1997	1997-01-01	1997-12-31
1998	1998-01-01	1998-12-31
1999	1999-01-01	1999-12-31
2000	2000-01-01	2000-12-31
2001	2001-01-01	2001-12-31
2002	2002-01-01	2002-12-31
2003	2003-01-01	2003-12-31
2004	2004-01-01	2004-12-31
2005	2005-01-01	2005-12-31
2006	2006-01-01	2006-12-31
2007	2007-01-01	2007-12-31
2008	2008-01-01	2008-12-31
2009	2009-01-01	2009-12-31
2010	2010-01-01	2010-12-31
2011	2011-01-01	2011-12-31
2012	2012-01-01	2012-12-31
2013	2013-01-01	2013-12-31
2014	2014-01-01	2014-12-31
2015	2015-01-01	2015-12-31
2016	2016-01-01	2016-12-31
2017	2017-01-01	2017-12-31
2018	2018-01-01	2018-12-31
2019	2019-01-01	2019-12-31
2020	2020-01-01	2020-12-31
2021	2021-01-01	2021-12-31
2022	2022-01-01	2022-12-31
2023	2023-01-01	2023-12-31
2024	2024-01-01	2024-12-31
2025	2025-01-01	2025-12-31
2026	2026-01-01	2026-10-14

Every Fixed Threshold

Fixed thresholds at Leadville Lake Co AP
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	2	2	2023	2
0 C (32 F): Ice days (max	68	104	1952	23
0 C (32 F): Frost days (min	69	299	1987	171
-10 C (14 F): Days with min	69	150	1984	49
-20 C (-4 F): Days with min	69	44	1972	10
-30 C (-22 F): Days with min	21	6	1974	2
10 mm (0.39 in): Days with 10 mm or more rain	68	16	1957	4
25 mm (0.98 in): Days with 25 mm or more rain	22	3	1992	2
10 cm (3.9 in): Days with 10 cm or more snowfall	37	25	1995	15
25 cm (9.8 in): Days with 25 cm or more snowfall	18	11	1995	3
50 cm (19.7 in): Days with 50 cm or more snowfall	3	1	1992	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.

Download the Data

Data for Leadville Lake Co AP 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).

Leadville Lake Co AP Threshold Days by Year (USW00093009)

Key Facts for Leadville Lake Co AP Thresholds

Nights at or below 0 C (32 F)

Every Fixed Threshold

Download the Data

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