Neshaminy Falls Threshold Days by Year

18 fixed thresholds counted per year at Neshaminy Falls (USC00366194): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Neshaminy Falls Thresholds

Neshaminy Falls: days with 10 mm (0.39 in) or more of precipitation in 105 years, most in 2018 with 58.
Neshaminy Falls: days with 25 mm (0.98 in) or more of precipitation in 105 years, most in 1983 with 26.
Neshaminy Falls: days with 50 mm (1.97 in) or more of precipitation in 92 years, most in 2011 with 8.
Neshaminy Falls: nights with a minimum temperature at or below 0 C (32 F) in 66 years, most in 1926 with 160.
18 fixed thresholds have at least one qualifying day at Neshaminy Falls.

Days at or above 30 C (86 F)

63 years with a qualifying day

Days per year at Neshaminy Falls with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 84 in 1991.

Days at or above 30 C (86 F) per year at Neshaminy Falls
Year	Days	Decade average
1916	33	37.8
1917	38	37.8
1918	37	37.8
1919	43	37.8
1920	29	36.7
1922	39	36.7
1923	45	36.7
1924	28	36.7
1925	44	36.7
1926	32	36.7
1927	23	36.7
1928	39	36.7
1929	51	36.7
1930	56	47.7
1931	51	47.7
1932	50	47.7
1933	46	47.7
1934	48	47.7
1935	41	47.7
1936	46	47.7
1937	50	47.7
1939	41	47.7
1980	78	62
1981	48	62
1982	41	62
1983	79	62
1987	70	62
1988	72	62
1989	46	62
1991	84	63.5
1992	47	63.5
1993	74	63.5
1995	65	63.5
1996	49	63.5
1997	48	63.5
1998	80	63.5
1999	61	63.5
2000	47	49
2001	58	49
2002	75	49
2004	55	49
2005	49	49
2006	41	49
2007	46	49
2008	38	49
2009	32	49
2010	75	57
2011	58	57
2012	56	57
2013	48	57
2014	39	57
2015	59	57
2016	70	57
2017	49	57
2018	55	57
2019	61	57
2020	46	45
2021	50	45
2022	52	45
2023	35	45
2024	42	45
2025	45	45
2026	45	45

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

First to last qualifying date each year at Neshaminy Falls
Year	First date	Last date
1916	1916-05-28	1916-09-08
1917	1917-05-20	1917-08-29
1918	1918-05-06	1918-08-31
1919	1919-05-05	1919-10-11
1920	1920-06-02	1920-10-15
1922	1922-06-07	1922-10-06
1923	1923-05-29	1923-09-25
1924	1924-06-19	1924-09-02
1925	1925-05-23	1925-09-13
1926	1926-05-02	1926-10-05
1927	1927-04-20	1927-10-02
1928	1928-05-04	1928-10-13
1929	1929-04-06	1929-09-10
1930	1930-05-05	1930-09-26
1931	1931-05-19	1931-09-23
1932	1932-05-16	1932-09-23
1933	1933-05-20	1933-09-27
1934	1934-05-05	1934-09-09
1935	1935-05-27	1935-08-22
1936	1936-04-30	1936-09-12
1937	1937-05-04	1937-09-04
1939	1939-04-25	1939-10-10
1980	1980-05-05	1980-09-23
1981	1981-05-22	1981-09-13
1982	1982-06-26	1982-09-13
1983	1983-04-28	1983-09-21
1987	1987-05-10	1987-09-11
1988	1988-05-23	1988-09-23
1989	1989-05-18	1989-09-22
1991	1991-04-07	1991-10-04
1992	1992-05-02	1992-09-22
1993	1993-05-10	1993-09-15
1995	1995-05-25	1995-10-07
1996	1996-05-12	1996-09-11
1997	1997-05-20	1997-10-11
1998	1998-03-31	1998-09-28
1999	1999-05-23	1999-09-09
2000	2000-05-06	2000-09-21
2001	2001-04-24	2001-09-14
2002	2002-04-17	2002-10-04
2004	2004-04-20	2004-09-24
2005	2005-06-06	2005-09-24
2006	2006-05-30	2006-08-24
2007	2007-05-26	2007-10-09
2008	2008-06-07	2008-09-14
2009	2009-04-25	2009-08-26
2010	2010-04-06	2010-09-24
2011	2011-04-25	2011-10-09
2012	2012-04-16	2012-09-07
2013	2013-04-10	2013-10-04
2014	2014-05-12	2014-09-28
2015	2015-05-12	2015-09-17
2016	2016-05-25	2016-10-19
2017	2017-04-16	2017-09-27
2018	2018-05-02	2018-09-06
2019	2019-05-19	2019-10-02
2020	2020-05-15	2020-09-03
2021	2021-04-28	2021-09-15
2022	2022-05-21	2022-09-05
2023	2023-04-13	2023-09-08
2024	2024-04-29	2024-08-28
2025	2025-06-06	2025-09-06
2026	2026-04-15	2026-09-17

Every Fixed Threshold

Fixed thresholds at Neshaminy Falls
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	63	84	1991	45
35 C (95 F): Days	54	29	1988	6
40 C (104 F): Days	1	2	1936	2
90 F (32.2 C): Days	63	57	1983	15
100 F (37.8 C): Days	19	6	1988	3
0 C (32 F): Ice days (max	63	34	1916	20
0 C (32 F): Frost days (min	66	160	1926	69
-10 C (14 F): Days with min	65	42	1926	22
-20 C (-4 F): Days with min	18	8	1934	1
20 C (68 F): Tropical nights (min	66	47	2018	34
25 C (77 F): Days with min	17	3	2022	1
10 mm (0.39 in): Days with 10 mm or more rain	105	58	2018	31
25 mm (0.98 in): Days with 25 mm or more rain	105	26	1983	12
50 mm (1.97 in): Days with 50 mm or more rain	92	8	2011	6
100 mm (3.94 in): Days with 100 mm or more rain	15	2	1971	1
10 cm (3.9 in): Days with 10 cm or more snowfall	50	6	1966	1
25 cm (9.8 in): Days with 25 cm or more snowfall	12	2	2010	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	2016	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.

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Data for Neshaminy Falls 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Neshaminy Falls Threshold Days by Year

Key Facts for Neshaminy Falls Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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