Columbia 8 N Threshold Days by Year (USC00391873)

19 fixed thresholds counted per year at Columbia 8 N (USC00391873): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Columbia 8 N Thresholds

Columbia 8 N: days with 10 mm (0.39 in) or more of precipitation in 72 years, most in 1986 with 25.
Columbia 8 N: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1986 with 10.
Columbia 8 N: days with a maximum temperature at or above 30 C (86 F) in 68 years, most in 1959 with 76.
Columbia 8 N: days with a maximum temperature at or below 0 C (32 F) in 68 years, most in 1996 with 112.
19 fixed thresholds have at least one qualifying day at Columbia 8 N.

Days at or above 30 C (86 F)

68 years with a qualifying day

Days per year at Columbia 8 N with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 1959.

Days at or above 30 C (86 F) per year at Columbia 8 N
Year	Days	Decade average
1950	32	40.7
1951	18	40.7
1952	60	40.7
1953	32	40.7
1954	32	40.7
1955	46	40.7
1956	34	40.7
1957	37	40.7
1958	40	40.7
1959	76	40.7
1960	41	34.6
1961	49	34.6
1963	18	34.6
1964	37	34.6
1965	23	34.6
1966	40	34.6
1968	32	34.6
1969	37	34.6
1970	69	44
1971	30	44
1972	33	44
1973	52	44
1974	52	44
1979	28	44
1980	52	39.2
1981	26	39.2
1982	39	39.2
1983	52	39.2
1984	36	39.2
1985	26	39.2
1986	20	39.2
1987	44	39.2
1988	52	39.2
1989	45	39.2
1990	35	19.4
1991	30	19.4
1992	11	19.4
1993	5	19.4
1994	14	19.4
1995	22	19.4
1996	19	19.4
1997	21	19.4
1998	19	19.4
1999	18	19.4
2000	19	25.4
2001	31	25.4
2002	43	25.4
2003	24	25.4
2004	9	25.4
2005	21	25.4
2006	37	25.4
2007	29	25.4
2008	32	25.4
2009	9	25.4
2010	30	33.9
2011	27	33.9
2012	50	33.9
2013	34	33.9
2014	20	33.9
2015	44	33.9
2016	31	33.9
2017	35	33.9
2020	27	25.2
2021	40	25.2
2023	23	25.2
2024	11	25.2
2025	22	25.2
2026	28	25.2

For each year, a bar from the first to the last day at Columbia 8 N meeting 30 C (86 F).

First to last qualifying date each year at Columbia 8 N
Year	First date	Last date
1950	1950-05-22	1950-09-07
1951	1951-05-24	1951-09-18
1952	1952-04-26	1952-09-29
1953	1953-05-29	1953-09-17
1954	1954-06-23	1954-09-01
1955	1955-05-02	1955-09-18
1956	1956-06-03	1956-09-27
1957	1957-07-01	1957-08-31
1958	1958-04-17	1958-10-15
1959	1959-05-01	1959-09-15
1960	1960-06-26	1960-09-06
1961	1961-05-31	1961-09-09
1963	1963-06-04	1963-10-05
1964	1964-05-21	1964-09-13
1965	1965-04-29	1965-08-17
1966	1966-05-25	1966-10-07
1968	1968-04-30	1968-09-14
1969	1969-05-27	1969-09-15
1970	1970-05-17	1970-10-05
1971	1971-06-19	1971-09-07
1972	1972-05-17	1972-09-20
1973	1973-06-09	1973-08-31
1974	1974-06-18	1974-09-27
1979	1979-06-12	1979-09-17
1980	1980-04-20	1980-10-08
1981	1981-06-28	1981-09-11
1982	1982-05-03	1982-09-10
1983	1983-05-27	1983-09-27
1984	1984-07-02	1984-09-19
1985	1985-04-18	1985-08-31
1986	1986-05-31	1986-08-15
1987	1987-04-28	1987-09-23
1988	1988-05-12	1988-09-10
1989	1989-06-06	1989-09-30
1990	1990-04-22	1990-10-05
1991	1991-05-14	1991-10-16
1992	1992-04-30	1992-10-01
1993	1993-07-30	1993-08-25
1994	1994-05-23	1994-09-09
1995	1995-06-16	1995-09-12
1996	1996-06-11	1996-09-05
1997	1997-05-17	1997-09-05
1998	1998-06-24	1998-09-18
1999	1999-06-04	1999-08-27
2000	2000-05-05	2000-09-18
2001	2001-05-14	2001-09-05
2002	2002-05-28	2002-09-16
2003	2003-04-13	2003-09-07
2004	2004-04-28	2004-09-19
2005	2005-06-23	2005-10-01
2006	2006-05-29	2006-10-08
2007	2007-05-14	2007-10-07
2008	2008-06-02	2008-09-20
2009	2009-04-24	2009-08-15
2010	2010-05-29	2010-08-31
2011	2011-06-07	2011-09-29
2012	2012-05-15	2012-09-16
2013	2013-05-14	2013-09-19
2014	2014-05-29	2014-09-20
2015	2015-05-29	2015-10-12
2016	2016-05-06	2016-08-29
2017	2017-06-03	2017-09-23
2020	2020-06-02	2020-08-26
2021	2021-06-03	2021-09-29
2023	2023-05-31	2023-10-02
2024	2024-06-13	2024-09-11
2025	2025-05-12	2025-10-04
2026	2026-04-23	2026-09-11

Every Fixed Threshold

Fixed thresholds at Columbia 8 N
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	68	76	1959	28
35 C (95 F): Days	54	23	1959	1
40 C (104 F): Days	10	3	1973	1
90 F (32.2 C): Days	67	55	1959	9
100 F (37.8 C): Days	25	7	1959	1
0 C (32 F): Ice days (max	68	112	1996	45
0 C (32 F): Frost days (min	67	201	2002	117
-10 C (14 F): Days with min	67	121	1950	43
-20 C (-4 F): Days with min	67	58	1985	11
-30 C (-22 F): Days with min	58	16	1989	8
-40 C (-40 F): Days with min	1	2	1994	2
20 C (68 F): Tropical nights (min	64	17	2002	10
25 C (77 F): Days with min	5	2	2011	2
10 mm (0.39 in): Days with 10 mm or more rain	72	25	1986	14
25 mm (0.98 in): Days with 25 mm or more rain	70	10	1986	4
50 mm (1.97 in): Days with 50 mm or more rain	34	3	1998	1
100 mm (3.94 in): Days with 100 mm or more rain	5	1	1992	1
10 cm (3.9 in): Days with 10 cm or more snowfall	56	6	1969	1
25 cm (9.8 in): Days with 25 cm or more snowfall	10	1	1951	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.

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Data for Columbia 8 N 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).

Columbia 8 N Threshold Days by Year (USC00391873)

Key Facts for Columbia 8 N Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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