Delaware Cy Reedy Poin Threshold Days by Year (USC00072625)

16 fixed thresholds counted per year at Delaware Cy Reedy Poin (USC00072625): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Delaware Cy Reedy Poin Thresholds

Delaware Cy Reedy Poin: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1919 with 47.
Delaware Cy Reedy Poin: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1933 with 19.
Delaware Cy Reedy Poin: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 1930 with 82.
Delaware Cy Reedy Poin: days with a maximum temperature at or above 90 F (32.2 C) in 39 years, most in 1930 with 51.
16 fixed thresholds have at least one qualifying day at Delaware Cy Reedy Poin.

Days at or above 30 C (86 F)

39 years with a qualifying day

Days per year at Delaware Cy Reedy Poin with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 82 in 1930.

Days at or above 30 C (86 F) per year at Delaware Cy Reedy Poin
Year	Days	Decade average
1909	34	34
1910	31	36.6
1911	41	36.6
1912	39	36.6
1913	49	36.6
1914	50	36.6
1915	41	36.6
1916	28	36.6
1917	25	36.6
1918	35	36.6
1919	27	36.6
1921	43	39.9
1922	31	39.9
1923	28	39.9
1924	24	39.9
1925	52	39.9
1926	46	39.9
1927	36	39.9
1928	45	39.9
1929	54	39.9
1930	82	62.2
1931	79	62.2
1932	64	62.2
1933	52	62.2
1934	50	62.2
1935	37	62.2
1936	71	62.2
1937	61	62.2
1938	55	62.2
1939	71	62.2
1940	31	49.5
1942	54	49.5
1943	75	49.5
1944	65	49.5
1946	29	49.5
1947	43	49.5
1951	32	48
1952	49	48
1953	63	48

For each year, a bar from the first to the last day at Delaware Cy Reedy Poin meeting 30 C (86 F).

First to last qualifying date each year at Delaware Cy Reedy Poin
Year	First date	Last date
1909	1909-05-09	1909-08-30
1910	1910-05-24	1910-09-07
1911	1911-05-11	1911-08-28
1912	1912-06-02	1912-09-15
1913	1913-05-02	1913-09-07
1914	1914-05-20	1914-09-23
1915	1915-04-25	1915-09-18
1916	1916-05-29	1916-09-08
1917	1917-06-14	1917-08-29
1918	1918-05-06	1918-08-29
1919	1919-05-30	1919-10-03
1921	1921-05-22	1921-09-30
1922	1922-06-08	1922-10-06
1923	1923-06-02	1923-09-05
1924	1924-06-21	1924-09-02
1925	1925-05-23	1925-09-21
1926	1926-05-19	1926-10-05
1927	1927-04-20	1927-10-02
1928	1928-05-05	1928-10-17
1929	1929-04-07	1929-09-10
1930	1930-05-05	1930-09-26
1931	1931-05-28	1931-10-08
1932	1932-05-16	1932-09-23
1933	1933-05-20	1933-09-27
1934	1934-05-05	1934-09-10
1935	1935-06-14	1935-09-21
1936	1936-05-08	1936-09-13
1937	1937-05-22	1937-09-05
1938	1938-06-07	1938-10-18
1939	1939-04-25	1939-10-10
1940	1940-05-14	1940-09-22
1942	1942-04-30	1942-09-19
1943	1943-05-07	1943-09-17
1944	1944-05-14	1944-09-05
1946	1946-06-08	1946-09-11
1947	1947-05-29	1947-10-21
1951	1951-05-16	1951-10-06
1952	1952-06-07	1952-09-14
1953	1953-05-11	1953-10-01

Every Fixed Threshold

Fixed thresholds at Delaware Cy Reedy Poin
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	39	82	1930	63
35 C (95 F): Days	30	19	1930	10
40 C (104 F): Days	1	1	1936	1
90 F (32.2 C): Days	39	51	1930	31
100 F (37.8 C): Days	4	3	1930	1
0 C (32 F): Ice days (max	39	28	1912	1
0 C (32 F): Frost days (min	39	114	1926	79
-10 C (14 F): Days with min	37	24	1940	3
-20 C (-4 F): Days with min	4	2	1934	1
20 C (68 F): Tropical nights (min	39	54	1921	34
25 C (77 F): Days with min	12	2	1910	1
10 mm (0.39 in): Days with 10 mm or more rain	42	47	1919	37
25 mm (0.98 in): Days with 25 mm or more rain	42	19	1933	10
50 mm (1.97 in): Days with 50 mm or more rain	30	5	1938	2
100 mm (3.94 in): Days with 100 mm or more rain	4	2	1928	1
10 cm (3.9 in): Days with 10 cm or more snowfall	5	1	1943	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.

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Data for Delaware Cy Reedy Poin 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Delaware Cy Reedy Poin Threshold Days by Year (USC00072625)

Key Facts for Delaware Cy Reedy Poin Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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