Perryville Threshold Days by Year (USC00407099)

15 fixed thresholds counted per year at Perryville (USC00407099): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Perryville Thresholds

Perryville: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1950 with 59.
Perryville: days with 25 mm (0.98 in) or more of precipitation in 48 years, most in 1912 with 28.
Perryville: days with 50 mm (1.97 in) or more of precipitation in 46 years, most in 1951 with 9.
Perryville: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 1904 with 105.
15 fixed thresholds have at least one qualifying day at Perryville.

Days at or above 30 C (86 F)

33 years with a qualifying day

Days per year at Perryville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 133 in 1931.

Days at or above 30 C (86 F) per year at Perryville
Year	Days	Decade average
1897	113	122.3
1898	129	122.3
1899	125	122.3
1900	105	108.6
1901	96	108.6
1902	118	108.6
1903	110	108.6
1904	116	108.6
1905	112	108.6
1907	106	108.6
1908	106	108.6
1912	94	102.7
1913	110	102.7
1914	109	102.7
1915	107	102.7
1916	88	102.7
1919	108	102.7
1920	91	111.4
1921	122	111.4
1922	131	111.4
1923	102	111.4
1924	113	111.4
1926	121	111.4
1927	112	111.4
1928	99	111.4
1931	133	116.5
1932	111	116.5
1934	113	116.5
1937	106	116.5
1938	113	116.5
1939	123	116.5
1940	88	101.5
1943	115	101.5

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

First to last qualifying date each year at Perryville
Year	First date	Last date
1897	1897-05-20	1897-10-18
1898	1898-05-01	1898-10-10
1899	1899-04-27	1899-10-19
1900	1900-04-25	1900-10-03
1901	1901-04-28	1901-09-30
1902	1902-04-21	1902-09-27
1903	1903-04-29	1903-10-22
1904	1904-05-06	1904-09-27
1905	1905-04-02	1905-10-07
1907	1907-03-21	1907-10-03
1908	1908-03-18	1908-10-21
1912	1912-05-02	1912-10-11
1913	1913-05-04	1913-10-10
1914	1914-04-17	1914-09-22
1915	1915-04-17	1915-09-28
1916	1916-05-06	1916-10-15
1919	1919-04-23	1919-10-26
1920	1920-05-21	1920-10-21
1921	1921-03-20	1921-09-29
1922	1922-04-06	1922-10-05
1923	1923-04-22	1923-10-12
1924	1924-04-15	1924-10-20
1926	1926-04-30	1926-10-19
1927	1927-04-18	1927-10-29
1928	1928-05-02	1928-10-16
1931	1931-04-14	1931-10-28
1932	1932-04-21	1932-09-19
1934	1934-04-04	1934-09-26
1937	1937-04-17	1937-11-01
1938	1938-05-02	1938-10-19
1939	1939-05-17	1939-10-24
1940	1940-05-06	1940-09-28
1943	1943-04-10	1943-10-10

Every Fixed Threshold

Fixed thresholds at Perryville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	33	133	1931	115
35 C (95 F): Days	33	58	1931	51
40 C (104 F): Days	11	6	1901	2
90 F (32.2 C): Days	33	113	1931	83
100 F (37.8 C): Days	28	18	1932	16
0 C (32 F): Ice days (max	25	12	1899	10
0 C (32 F): Frost days (min	34	105	1904	92
-10 C (14 F): Days with min	31	22	1899	23
-20 C (-4 F): Days with min	5	4	1899	5
20 C (68 F): Tropical nights (min	34	78	1926	13
25 C (77 F): Days with min	10	3	1932	3
10 mm (0.39 in): Days with 10 mm or more rain	48	59	1950	53
25 mm (0.98 in): Days with 25 mm or more rain	48	28	1912	16
50 mm (1.97 in): Days with 50 mm or more rain	46	9	1951	2
100 mm (3.94 in): Days with 100 mm or more rain	7	1	1901	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

Data for Perryville 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).

Perryville Threshold Days by Year (USC00407099)

Key Facts for Perryville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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