Parkersburg AP Threshold Days by Year (USW00003804)

18 fixed thresholds counted per year at Parkersburg AP (USW00003804): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Parkersburg AP Thresholds

Parkersburg AP: days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 2011 with 54.
Parkersburg AP: days with 25 mm (0.98 in) or more of precipitation in 74 years, most in 1989 with 14.
Parkersburg AP: days with a maximum temperature at or above 30 C (86 F) in 73 years, most in 1959 with 82.
Parkersburg AP: days with a maximum temperature at or below 0 C (32 F) in 73 years, most in 1978 with 48.
18 fixed thresholds have at least one qualifying day at Parkersburg AP.

Days at or above 30 C (86 F)

73 years with a qualifying day

Days per year at Parkersburg AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 82 in 1959.

Days at or above 30 C (86 F) per year at Parkersburg AP
Year	Days	Decade average
1949	69	69
1950	23	50
1951	53	50
1952	56	50
1953	68	50
1954	52	50
1955	59	50
1956	30	50
1957	54	50
1958	23	50
1959	82	50
1960	32	42
1961	39	42
1962	51	42
1963	29	42
1964	55	42
1965	48	42
1966	56	42
1967	19	42
1968	33	42
1969	58	42
1970	50	33.6
1971	29	33.6
1972	20	33.6
1973	34	33.6
1974	21	33.6
1975	32	33.6
1976	29	33.6
1977	49	33.6
1978	48	33.6
1979	24	33.6
1980	38	41.8
1981	15	41.8
1982	34	41.8
1983	58	41.8
1984	44	41.8
1985	37	41.8
1986	38	41.8
1987	64	41.8
1988	60	41.8
1989	30	41.8
1990	35	43.6
1991	64	43.6
1992	21	43.6
1993	60	43.6
1994	36	43.6
1995	57	43.6
1996	32	43.6
2001	41	47.6
2002	79	47.6
2003	24	47.6
2004	27	47.6
2005	64	47.6
2006	41	47.6
2007	76	47.6
2008	45	47.6
2009	31	47.6
2010	71	58
2011	48	58
2012	66	58
2013	32	58
2015	52	58
2016	74	58
2017	40	58
2018	70	58
2019	69	58
2020	63	52.7
2021	57	52.7
2022	40	52.7
2023	32	52.7
2024	78	52.7
2025	59	52.7
2026	40	52.7

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

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

Every Fixed Threshold

Fixed thresholds at Parkersburg AP
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	73	82	1959	40
35 C (95 F): Days	39	14	1988	13
90 F (32.2 C): Days	72	44	1988	11
100 F (37.8 C): Days	4	7	1988	1
0 C (32 F): Ice days (max	73	48	1978	23
0 C (32 F): Frost days (min	73	130	1960	64
-10 C (14 F): Days with min	73	39	1963	18
-20 C (-4 F): Days with min	28	7	1963	2
-30 C (-22 F): Days with min	1	1	1994	1
20 C (68 F): Tropical nights (min	73	52	1978	42
25 C (77 F): Days with min	5	2	1968	1
10 mm (0.39 in): Days with 10 mm or more rain	74	54	2011	39
25 mm (0.98 in): Days with 25 mm or more rain	74	14	1989	11
50 mm (1.97 in): Days with 50 mm or more rain	48	3	1954	1
100 mm (3.94 in): Days with 100 mm or more rain	1	2	2004	2
10 cm (3.9 in): Days with 10 cm or more snowfall	29	4	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	2	1950	2
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1993	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.

Download the Data

Data for Parkersburg 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).

Parkersburg AP Threshold Days by Year (USW00003804)

Key Facts for Parkersburg AP Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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