Harrison Boone Co AP Threshold Days by Year (USW00013971)

18 fixed thresholds counted per year at Harrison Boone Co AP (USW00013971): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Harrison Boone Co AP Thresholds

Harrison Boone Co AP: days with a maximum temperature at or above 30 C (86 F) in 67 years, most in 1998 with 111.
Harrison Boone Co AP: days with a maximum temperature at or above 90 F (32.2 C) in 67 years, most in 1980 with 79.
Harrison Boone Co AP: days with a maximum temperature at or below 0 C (32 F) in 67 years, most in 1978 with 41.
Harrison Boone Co AP: nights with a minimum temperature at or below 0 C (32 F) in 67 years, most in 1948 with 111.
18 fixed thresholds have at least one qualifying day at Harrison Boone Co AP.

Days at or above 30 C (86 F)

67 years with a qualifying day

Days per year at Harrison Boone Co AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 111 in 1998.

Days at or above 30 C (86 F) per year at Harrison Boone Co AP
Year	Days	Decade average
1948	70	74
1949	78	74
1962	64	66
1963	94	66
1964	69	66
1965	60	66
1966	61	66
1967	47	66
1968	62	66
1969	71	66
1970	71	64.8
1971	77	64.8
1972	77	64.8
1973	60	64.8
1974	52	64.8
1975	66	64.8
1976	35	64.8
1977	72	64.8
1978	85	64.8
1979	53	64.8
1980	102	73
1981	51	73
1982	54	73
1983	72	73
1984	72	73
1985	67	73
1986	76	73
1987	89	73
1988	81	73
1989	66	73
1990	79	76.8
1991	89	76.8
1992	46	76.8
1993	73	76.8
1994	69	76.8
1995	76	76.8
1996	75	76.8
1997	75	76.8
1998	111	76.8
1999	75	76.8
2000	78	68.4
2001	72	68.4
2002	71	68.4
2003	55	68.4
2004	46	68.4
2005	98	68.4
2006	94	68.4
2007	74	68.4
2008	47	68.4
2009	49	68.4
2010	96	82.6
2011	100	82.6
2012	104	82.6
2013	73	82.6
2014	57	82.6
2015	65	82.6
2016	85	82.6
2017	65	82.6
2018	101	82.6
2019	80	82.6
2020	72	85.1
2021	81	85.1
2022	80	85.1
2023	82	85.1
2024	85	85.1
2025	81	85.1
2026	115	85.1

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

First to last qualifying date each year at Harrison Boone Co AP
Year	First date	Last date
1948	1948-04-07	1948-09-22
1949	1949-04-24	1949-09-27
1962	1962-02-12	1962-10-07
1963	1963-04-21	1963-10-15
1964	1964-04-23	1964-10-17
1965	1965-04-04	1965-10-10
1966	1966-05-07	1966-10-09
1967	1967-03-11	1967-08-29
1968	1968-05-01	1968-10-30
1969	1969-05-28	1969-10-04
1970	1970-04-28	1970-09-20
1971	1971-06-04	1971-10-02
1972	1972-04-12	1972-09-20
1973	1973-05-09	1973-09-03
1974	1974-03-31	1974-08-31
1975	1975-05-18	1975-10-12
1976	1976-06-27	1976-10-02
1977	1977-05-30	1977-09-26
1978	1978-04-08	1978-10-21
1979	1979-04-16	1979-10-08
1980	1980-04-22	1980-10-09
1981	1981-04-13	1981-10-05
1982	1982-05-29	1982-10-04
1983	1983-06-19	1983-10-03
1984	1984-05-13	1984-09-14
1985	1985-05-26	1985-09-20
1986	1986-04-25	1986-09-28
1987	1987-04-19	1987-09-16
1988	1988-04-21	1988-09-22
1989	1989-04-21	1989-10-13
1990	1990-04-29	1990-09-27
1991	1991-05-12	1991-10-18
1992	1992-04-09	1992-09-18
1993	1993-06-13	1993-09-22
1994	1994-06-01	1994-10-03
1995	1995-03-22	1995-09-14
1996	1996-04-19	1996-09-23
1997	1997-03-21	1997-10-04
1998	1998-05-06	1998-09-29
1999	1999-04-21	1999-09-28
2000	2000-05-08	2000-10-04
2001	2001-04-09	2001-09-07
2002	2002-04-17	2002-10-02
2003	2003-05-30	2003-10-20
2004	2004-05-20	2004-10-18
2005	2005-05-10	2005-10-18
2006	2006-04-13	2006-10-04
2007	2007-05-06	2007-10-07
2008	2008-05-19	2008-09-12
2009	2009-04-23	2009-09-27
2010	2010-05-22	2010-09-23
2011	2011-04-03	2011-10-16
2012	2012-04-01	2012-09-25
2013	2013-05-14	2013-10-04
2014	2014-05-04	2014-09-20
2015	2015-06-04	2015-10-15
2016	2016-06-09	2016-10-19
2017	2017-03-20	2017-10-14
2018	2018-05-07	2018-10-06
2019	2019-04-10	2019-10-05
2020	2020-03-26	2020-10-07
2021	2021-06-09	2021-10-09
2022	2022-05-10	2022-09-24
2023	2023-04-03	2023-10-02
2024	2024-04-14	2024-10-24
2025	2025-04-13	2025-10-02
2026	2026-03-19	2026-10-13

Every Fixed Threshold

Fixed thresholds at Harrison Boone Co AP
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	67	111	1998	115
35 C (95 F): Days	61	50	1980	44
40 C (104 F): Days	6	4	2011	4
90 F (32.2 C): Days	67	79	1980	84
100 F (37.8 C): Days	26	21	2012	6
110 F (43.3 C): Days	1	1	2011	1
0 C (32 F): Ice days (max	67	41	1978	5
0 C (32 F): Frost days (min	67	111	1948	33
-10 C (14 F): Days with min	65	28	1963	9
-20 C (-4 F): Days with min	14	4	1983	2
20 C (68 F): Tropical nights (min	67	86	1998	98
25 C (77 F): Days with min	33	19	1980	9
10 mm (0.39 in): Days with 10 mm or more rain	67	52	1973	26
25 mm (0.98 in): Days with 25 mm or more rain	67	22	1968	12
50 mm (1.97 in): Days with 50 mm or more rain	64	9	1968	5
100 mm (3.94 in): Days with 100 mm or more rain	16	2	1996	1
10 cm (3.9 in): Days with 10 cm or more snowfall	28	3	1971	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1977	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

Data for Harrison Boone 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).

Harrison Boone Co AP Threshold Days by Year (USW00013971)

Key Facts for Harrison Boone Co AP Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related