Frankfort Threshold Days by Year (USC00332920)

16 fixed thresholds counted per year at Frankfort (USC00332920): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Frankfort Thresholds

Frankfort: nights with a minimum temperature at or below 0 C (32 F) in 26 years, most in 1901 with 146.
Frankfort: nights with a minimum temperature at or below -10 C (14 F) in 26 years, most in 1904 with 43.
Frankfort: nights with a minimum temperature at or above 20 C (68 F) in 26 years, most in 1894 with 63.
Frankfort: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1921 with 103.
16 fixed thresholds have at least one qualifying day at Frankfort.

Days at or above 30 C (86 F)

25 years with a qualifying day

Days per year at Frankfort with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 103 in 1921.

Days at or above 30 C (86 F) per year at Frankfort
Year	Days	Decade average
1894	55	53.7
1895	82	53.7
1896	40	53.7
1897	34	53.7
1898	53	53.7
1899	58	53.7
1900	69	52.9
1901	44	52.9
1902	41	52.9
1904	50	52.9
1905	47	52.9
1907	45	52.9
1908	82	52.9
1909	45	52.9
1910	64	68
1911	89	68
1912	62	68
1913	84	68
1915	48	68
1916	61	68
1917	41	68
1918	75	68
1919	88	68
1920	58	80.5
1921	103	80.5

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

First to last qualifying date each year at Frankfort
Year	First date	Last date
1894	1894-05-14	1894-09-14
1895	1895-05-02	1895-09-25
1896	1896-04-16	1896-09-12
1897	1897-06-13	1897-10-15
1898	1898-05-01	1898-10-03
1899	1899-04-29	1899-10-15
1900	1900-05-08	1900-10-05
1901	1901-05-02	1901-09-07
1902	1902-04-22	1902-09-08
1904	1904-05-06	1904-10-10
1905	1905-05-04	1905-09-19
1907	1907-05-14	1907-09-20
1908	1908-05-13	1908-09-27
1909	1909-04-29	1909-09-14
1910	1910-03-24	1910-10-17
1911	1911-05-10	1911-09-28
1912	1912-05-21	1912-09-14
1913	1913-04-25	1913-10-11
1915	1915-04-20	1915-09-17
1916	1916-05-10	1916-10-08
1917	1917-05-19	1917-09-15
1918	1918-05-04	1918-08-26
1919	1919-04-09	1919-10-04
1920	1920-04-22	1920-09-27
1921	1921-04-25	1921-09-20

Every Fixed Threshold

Fixed thresholds at Frankfort
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	25	103	1921	103
35 C (95 F): Days	23	31	1921	31
40 C (104 F): Days	1	2	1918	2
90 F (32.2 C): Days	25	70	1921	70
100 F (37.8 C): Days	5	8	1918	2
0 C (32 F): Ice days (max	25	32	1912	11
0 C (32 F): Frost days (min	26	146	1901	101
-10 C (14 F): Days with min	26	43	1904	7
-20 C (-4 F): Days with min	19	14	1917	1
-30 C (-22 F): Days with min	2	3	1918	3
20 C (68 F): Tropical nights (min	26	63	1894	19
25 C (77 F): Days with min	5	3	1904	1
10 mm (0.39 in): Days with 10 mm or more rain	21	45	1921	45
25 mm (0.98 in): Days with 25 mm or more rain	21	15	1905	6
50 mm (1.97 in): Days with 50 mm or more rain	11	4	1920	3
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1899	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

Data for Frankfort 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).

Frankfort Threshold Days by Year (USC00332920)

Key Facts for Frankfort Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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