Jamestown Muni AP Threshold Days by Year (USW00014919)

18 fixed thresholds counted per year at Jamestown Muni AP (USW00014919): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jamestown Muni AP Thresholds

Jamestown Muni AP: days with a maximum temperature at or above 30 C (86 F) in 78 years, most in 1988 with 66.
Jamestown Muni AP: days with a maximum temperature at or above 90 F (32.2 C) in 78 years, most in 1988 with 48.
Jamestown Muni AP: days with a maximum temperature at or below 0 C (32 F) in 78 years, most in 1950 with 123.
Jamestown Muni AP: nights with a minimum temperature at or below 0 C (32 F) in 78 years, most in 2002 with 211.
18 fixed thresholds have at least one qualifying day at Jamestown Muni AP.

Days at or above 30 C (86 F)

78 years with a qualifying day

Days per year at Jamestown Muni AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 66 in 1988.

Days at or above 30 C (86 F) per year at Jamestown Muni AP
Year	Days	Decade average
1949	42	42
1950	18	28.8
1951	11	28.8
1952	45	28.8
1953	30	28.8
1954	19	28.8
1955	38	28.8
1956	19	28.8
1957	30	28.8
1958	32	28.8
1959	46	28.8
1960	37	30.3
1961	40	30.3
1962	17	30.3
1963	36	30.3
1964	29	30.3
1965	13	30.3
1966	38	30.3
1967	36	30.3
1968	21	30.3
1969	36	30.3
1970	55	34.9
1971	24	34.9
1972	34	34.9
1973	33	34.9
1974	34	34.9
1975	27	34.9
1976	55	34.9
1977	25	34.9
1978	38	34.9
1979	24	34.9
1980	40	43.9
1981	26	43.9
1982	33	43.9
1983	55	43.9
1984	46	43.9
1985	36	43.9
1986	34	43.9
1987	51	43.9
1988	66	43.9
1989	52	43.9
1990	48	25.7
1991	37	25.7
1992	20	25.7
1993	9	25.7
1994	18	25.7
1995	29	25.7
1996	20	25.7
1997	34	25.7
1998	26	25.7
1999	16	25.7
2000	27	24.4
2001	35	24.4
2002	37	24.4
2003	32	24.4
2004	10	24.4
2005	24	24.4
2006	32	24.4
2007	27	24.4
2008	10	24.4
2009	10	24.4
2010	15	22
2011	17	22
2012	42	22
2013	33	22
2014	7	22
2015	26	22
2016	17	22
2017	21	22
2018	29	22
2019	13	22
2020	28	33.3
2021	56	33.3
2022	32	33.3
2023	35	33.3
2024	29	33.3
2025	23	33.3
2026	30	33.3

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

First to last qualifying date each year at Jamestown Muni AP
Year	First date	Last date
1949	1949-05-12	1949-10-05
1950	1950-06-05	1950-09-07
1951	1951-07-14	1951-08-06
1952	1952-04-26	1952-09-27
1953	1953-06-11	1953-10-15
1954	1954-05-20	1954-08-31
1955	1955-05-01	1955-10-10
1956	1956-06-08	1956-10-12
1957	1957-06-09	1957-08-31
1958	1958-05-11	1958-10-13
1959	1959-05-01	1959-09-13
1960	1960-05-13	1960-10-04
1961	1961-06-04	1961-09-08
1962	1962-04-24	1962-09-07
1963	1963-05-07	1963-10-04
1964	1964-05-20	1964-08-19
1965	1965-07-03	1965-08-16
1966	1966-05-21	1966-10-07
1967	1967-05-22	1967-09-25
1968	1968-06-02	1968-09-14
1969	1969-05-14	1969-09-14
1970	1970-05-17	1970-10-05
1971	1971-06-03	1971-09-13
1972	1972-05-15	1972-09-19
1973	1973-06-01	1973-08-30
1974	1974-06-03	1974-09-26
1975	1975-05-16	1975-10-07
1976	1976-05-09	1976-09-30
1977	1977-04-09	1977-07-23
1978	1978-05-24	1978-09-10
1979	1979-05-28	1979-09-26
1980	1980-04-20	1980-09-30
1981	1981-06-27	1981-09-12
1982	1982-05-03	1982-09-10
1983	1983-06-10	1983-09-27
1984	1984-05-16	1984-09-21
1985	1985-04-29	1985-08-09
1986	1986-05-04	1986-08-20
1987	1987-04-18	1987-09-15
1988	1988-05-18	1988-08-24
1989	1989-06-06	1989-09-30
1990	1990-04-21	1990-10-05
1991	1991-05-12	1991-09-07
1992	1992-04-30	1992-10-01
1993	1993-05-13	1993-10-06
1994	1994-05-17	1994-09-10
1995	1995-06-13	1995-09-15
1996	1996-06-09	1996-09-09
1997	1997-05-17	1997-10-02
1998	1998-06-25	1998-09-18
1999	1999-05-29	1999-08-31
2000	2000-05-05	2000-09-18
2001	2001-05-14	2001-09-06
2002	2002-05-28	2002-09-17
2003	2003-04-13	2003-10-19
2004	2004-06-30	2004-09-19
2005	2005-04-18	2005-09-30
2006	2006-05-23	2006-09-14
2007	2007-05-18	2007-09-23
2008	2008-06-24	2008-09-19
2009	2009-06-20	2009-08-24
2010	2010-05-28	2010-08-29
2011	2011-06-06	2011-10-05
2012	2012-05-17	2012-09-15
2013	2013-05-13	2013-09-22
2014	2014-05-23	2014-07-21
2015	2015-05-02	2015-10-11
2016	2016-05-05	2016-08-28
2017	2017-06-02	2017-09-12
2018	2018-05-16	2018-08-16
2019	2019-05-30	2019-09-20
2020	2020-06-01	2020-09-02
2021	2021-05-19	2021-09-29
2022	2022-06-18	2022-09-19
2023	2023-05-23	2023-10-01
2024	2024-05-17	2024-10-10
2025	2025-05-10	2025-10-03
2026	2026-05-25	2026-08-24

Every Fixed Threshold

Fixed thresholds at Jamestown Muni AP
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	78	66	1988	30
35 C (95 F): Days	64	22	1988	5
40 C (104 F): Days	11	3	1988	1
90 F (32.2 C): Days	78	48	1988	21
100 F (37.8 C): Days	29	7	1959	2
0 C (32 F): Ice days (max	78	123	1950	45
0 C (32 F): Frost days (min	78	211	2002	117
-10 C (14 F): Days with min	78	128	1955	44
-20 C (-4 F): Days with min	78	67	1950	15
-30 C (-22 F): Days with min	62	17	1950	4
20 C (68 F): Tropical nights (min	63	14	1988	1
25 C (77 F): Days with min	2	2	1988	2
10 mm (0.39 in): Days with 10 mm or more rain	78	23	1986	15
25 mm (0.98 in): Days with 25 mm or more rain	76	8	1953	3
50 mm (1.97 in): Days with 50 mm or more rain	36	4	1953	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1956	1
10 cm (3.9 in): Days with 10 cm or more snowfall	38	7	1993	4
25 cm (9.8 in): Days with 25 cm or more snowfall	9	1	1949	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

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Data for Jamestown Muni 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).

Jamestown Muni AP Threshold Days by Year (USW00014919)

Key Facts for Jamestown Muni AP Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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