Omaha Threshold Days by Year (USC00035428)

6 fixed thresholds counted per year at Omaha (USC00035428): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Omaha Thresholds

Omaha: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1974 with 56.
Omaha: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 2008 with 26.
Omaha: days with 50 mm (1.97 in) or more of precipitation in 55 years, most in 2008 with 9.
Omaha: days with 10 cm (3.9 in) or more of snowfall in 23 years, most in 1970 with 4.
6 fixed thresholds have at least one qualifying day at Omaha.

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

57 years with a qualifying day

Days per year at Omaha with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 56 in 1974.

Days with 10 mm (0.39 in) or more of precipitation per year at Omaha
Year	Days	Decade average
1957	49	41
1958	33	41
1968	46	39.5
1969	33	39.5
1970	43	43
1971	34	43
1972	36	43
1973	47	43
1974	56	43
1976	41	43
1977	46	43
1978	35	43
1979	49	43
1980	38	40.6
1981	54	40.6
1982	44	40.6
1983	39	40.6
1984	48	40.6
1985	42	40.6
1986	28	40.6
1989	32	40.6
1990	54	38.7
1991	41	38.7
1992	43	38.7
1993	49	38.7
1994	32	38.7
1995	33	38.7
1996	26	38.7
1997	35	38.7
1998	40	38.7
1999	34	38.7
2000	28	34
2001	33	34
2002	39	34
2003	32	34
2004	34	34
2005	28	34
2006	35	34
2007	23	34
2008	49	34
2009	39	34
2010	31	38
2011	38	38
2012	31	38
2013	45	38
2014	32	38
2015	51	38
2016	30	38
2017	35	38
2018	44	38
2019	43	38
2020	39	33.2
2021	27	33.2
2023	41	33.2
2024	34	33.2
2025	38	33.2
2026	20	33.2

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

First to last qualifying date each year at Omaha
Year	First date	Last date
1957	1957-01-05	1957-11-18
1958	1958-01-20	1958-11-16
1968	1968-01-28	1968-12-28
1969	1969-01-16	1969-12-31
1970	1970-01-06	1970-12-16
1971	1971-01-03	1971-12-19
1972	1972-02-17	1972-12-12
1973	1973-01-07	1973-12-24
1974	1974-01-06	1974-12-30
1976	1976-01-10	1976-12-06
1977	1977-01-04	1977-12-14
1978	1978-02-13	1978-12-31
1979	1979-01-02	1979-12-25
1980	1980-01-02	1980-12-09
1981	1981-01-19	1981-12-21
1982	1982-01-21	1982-12-24
1983	1983-01-31	1983-12-11
1984	1984-02-12	1984-12-31
1985	1985-01-10	1985-12-11
1986	1986-02-03	1986-12-09
1989	1989-01-26	1989-09-14
1990	1990-01-17	1990-12-30
1991	1991-01-07	1991-11-20
1992	1992-01-14	1992-12-31
1993	1993-01-02	1993-12-13
1994	1994-01-17	1994-12-09
1995	1995-01-13	1995-12-19
1996	1996-01-18	1996-12-11
1997	1997-01-09	1997-12-24
1998	1998-01-04	1998-12-21
1999	1999-01-02	1999-12-12
2000	2000-01-03	2000-12-26
2001	2001-01-28	2001-12-15
2002	2002-01-24	2002-12-31
2003	2003-02-06	2003-12-22
2004	2004-01-16	2004-12-06
2005	2005-01-03	2005-11-27
2006	2006-01-28	2006-12-30
2007	2007-01-13	2007-12-14
2008	2008-01-07	2008-12-27
2009	2009-01-27	2009-11-19
2010	2010-01-21	2010-11-26
2011	2011-02-02	2011-12-27
2012	2012-01-11	2012-12-20
2013	2013-01-01	2013-12-22
2014	2014-01-05	2014-12-18
2015	2015-01-02	2015-12-28
2016	2016-03-01	2016-12-26
2017	2017-01-14	2017-12-21
2018	2018-01-05	2018-12-31
2019	2019-01-04	2019-12-29
2020	2020-01-11	2020-12-21
2021	2021-02-06	2021-12-18
2023	2023-01-03	2023-12-25
2024	2024-01-09	2024-12-24
2025	2025-01-10	2025-11-25
2026	2026-01-25	2026-08-24

Every Fixed Threshold

Fixed thresholds at Omaha
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	57	56	1974	20
25 mm (0.98 in): Days with 25 mm or more rain	57	26	2008	11
50 mm (1.97 in): Days with 50 mm or more rain	55	9	2008	1
100 mm (3.94 in): Days with 100 mm or more rain	13	1	1976	1
10 cm (3.9 in): Days with 10 cm or more snowfall	23	4	1970	2
25 cm (9.8 in): Days with 25 cm or more snowfall	3	2	1970	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

Data for Omaha 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).

Omaha Threshold Days by Year (USC00035428)

Key Facts for Omaha Thresholds

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

Every Fixed Threshold

Download the Data

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