Winona Lake Threshold Days by Year (USC00129690)

18 fixed thresholds counted per year at Winona Lake (USC00129690): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Winona Lake Thresholds

Winona Lake: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 1917 with 153.
Winona Lake: nights with a minimum temperature at or below -10 C (14 F) in 35 years, most in 1912 with 56.
Winona Lake: nights with a minimum temperature at or above 20 C (68 F) in 35 years, most in 1931 with 35.
Winona Lake: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1927 with 44.
18 fixed thresholds have at least one qualifying day at Winona Lake.

Days at or above 30 C (86 F)

34 years with a qualifying day

Days per year at Winona Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 81 in 1934.

Days at or above 30 C (86 F) per year at Winona Lake
Year	Days	Decade average
1909	49	49
1910	55	49.3
1911	61	49.3
1912	38	49.3
1913	65	49.3
1914	62	49.3
1915	23	49.3
1916	61	49.3
1917	35	49.3
1918	44	49.3
1921	79	46.4
1922	69	46.4
1923	42	46.4
1924	23	46.4
1925	49	46.4
1926	39	46.4
1927	31	46.4
1928	39	46.4
1930	61	64.7
1931	62	64.7
1932	50	64.7
1933	78	64.7
1934	81	64.7
1935	48	64.7
1936	79	64.7
1937	53	64.7
1938	58	64.7
1939	77	64.7
1940	60	56.5
1941	80	56.5
1942	44	56.5
1943	50	56.5
1944	71	56.5
1945	34	56.5

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

First to last qualifying date each year at Winona Lake
Year	First date	Last date
1909	1909-05-06	1909-09-20
1910	1910-06-15	1910-10-17
1911	1911-05-10	1911-09-16
1912	1912-05-21	1912-09-10
1913	1913-05-02	1913-10-10
1914	1914-05-25	1914-10-07
1915	1915-04-25	1915-09-16
1916	1916-05-25	1916-10-08
1917	1917-05-17	1917-09-15
1918	1918-05-25	1918-08-26
1921	1921-05-19	1921-09-29
1922	1922-05-09	1922-10-06
1923	1923-05-29	1923-09-27
1924	1924-06-19	1924-09-21
1925	1925-04-23	1925-09-19
1926	1926-05-01	1926-09-19
1927	1927-05-21	1927-09-16
1928	1928-05-10	1928-10-11
1930	1930-04-11	1930-09-23
1931	1931-05-18	1931-09-22
1932	1932-05-15	1932-09-19
1933	1933-05-23	1933-09-24
1934	1934-05-05	1934-09-25
1935	1935-06-13	1935-09-25
1936	1936-05-07	1936-09-22
1937	1937-05-26	1937-10-01
1938	1938-05-03	1938-10-18
1939	1939-05-07	1939-10-09
1940	1940-05-13	1940-09-22
1941	1941-04-13	1941-09-24
1942	1942-05-01	1942-09-18
1943	1943-06-12	1943-09-05
1944	1944-05-17	1944-09-27
1945	1945-06-14	1945-09-23

Every Fixed Threshold

Fixed thresholds at Winona Lake
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	34	81	1934	34
35 C (95 F): Days	32	27	1934	1
40 C (104 F): Days	5	8	1934	8
90 F (32.2 C): Days	34	61	1934	17
100 F (37.8 C): Days	19	13	1936	2
110 F (43.3 C): Days	2	1	1934	1
0 C (32 F): Ice days (max	34	59	1912	51
0 C (32 F): Frost days (min	35	153	1917	134
-10 C (14 F): Days with min	35	56	1912	35
-20 C (-4 F): Days with min	27	18	1936	6
-30 C (-22 F): Days with min	1	1	1924	1
20 C (68 F): Tropical nights (min	35	35	1931	7
25 C (77 F): Days with min	9	3	1918	1
10 mm (0.39 in): Days with 10 mm or more rain	35	44	1927	40
25 mm (0.98 in): Days with 25 mm or more rain	35	16	1945	16
50 mm (1.97 in): Days with 50 mm or more rain	21	4	1943	3
100 mm (3.94 in): Days with 100 mm or more rain	1	0	n/a	1
10 cm (3.9 in): Days with 10 cm or more snowfall	5	2	1940	2

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

Download the Data

Data for Winona Lake 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).

Winona Lake Threshold Days by Year (USC00129690)

Key Facts for Winona Lake Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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