Waukon 3NNE Threshold Days by Year (USC00138755)

18 fixed thresholds counted per year at Waukon 3NNE (USC00138755): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Waukon 3NNE Thresholds

Waukon 3NNE: days with a maximum temperature at or above 30 C (86 F) in 75 years, most in 1936 with 64.
Waukon 3NNE: days with a maximum temperature at or below 0 C (32 F) in 75 years, most in 1975 with 97.
Waukon 3NNE: nights with a minimum temperature at or below 0 C (32 F) in 68 years, most in 1961 with 174.
Waukon 3NNE: nights with a minimum temperature at or below -10 C (14 F) in 68 years, most in 1978 with 91.
18 fixed thresholds have at least one qualifying day at Waukon 3NNE.

Days at or above 30 C (86 F)

75 years with a qualifying day

Days per year at Waukon 3NNE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 64 in 1936.

Days at or above 30 C (86 F) per year at Waukon 3NNE
Year	Days	Decade average
1935	48	49.8
1936	64	49.8
1937	58	49.8
1938	26	49.8
1939	53	49.8
1940	30	27.9
1941	38	27.9
1942	18	27.9
1943	29	27.9
1945	19	27.9
1946	14	27.9
1947	42	27.9
1949	33	27.9
1950	6	18.5
1951	4	18.5
1952	23	18.5
1953	26	18.5
1954	19	18.5
1955	45	18.5
1956	18	18.5
1957	16	18.5
1958	13	18.5
1959	15	18.5
1960	12	13.5
1961	12	13.5
1962	2	13.5
1963	17	13.5
1964	30	13.5
1965	12	13.5
1966	18	13.5
1967	8	13.5
1968	13	13.5
1969	11	13.5
1970	17	14.1
1971	13	14.1
1972	17	14.1
1973	13	14.1
1974	10	14.1
1975	16	14.1
1976	21	14.1
1977	17	14.1
1978	16	14.1
1979	1	14.1
1980	21	21.1
1981	6	21.1
1982	9	21.1
1983	35	21.1
1984	16	21.1
1985	16	21.1
1986	12	21.1
1987	28	21.1
1988	55	21.1
1989	13	21.1
1990	15	17.3
1991	20	17.3
1992	4	17.3
1994	19	17.3
1995	33	17.3
1996	15	17.3
1997	15	17.3
2002	34	21.4
2003	31	21.4
2004	10	21.4
2005	38	21.4
2006	30	21.4
2007	16	21.4
2008	7	21.4
2009	5	21.4
2010	19	25.7
2011	23	25.7
2012	35	25.7
2023	24	16
2024	13	16
2025	14	16
2026	13	16

For each year, a bar from the first to the last day at Waukon 3NNE meeting 30 C (86 F).

First to last qualifying date each year at Waukon 3NNE
Year	First date	Last date
1935	1935-06-12	1935-09-24
1936	1936-05-06	1936-09-22
1937	1937-05-29	1937-09-23
1938	1938-06-21	1938-09-10
1939	1939-04-24	1939-09-28
1940	1940-05-12	1940-09-20
1941	1941-05-26	1941-09-04
1942	1942-05-29	1942-09-01
1943	1943-05-29	1943-08-31
1945	1945-06-23	1945-09-07
1946	1946-06-07	1946-08-16
1947	1947-06-27	1947-09-19
1949	1949-05-03	1949-08-26
1950	1950-06-25	1950-08-23
1951	1951-07-07	1951-07-27
1952	1952-04-29	1952-09-12
1953	1953-05-29	1953-10-02
1954	1954-06-11	1954-09-06
1955	1955-05-23	1955-09-18
1956	1956-05-22	1956-08-27
1957	1957-06-21	1957-08-31
1958	1958-06-30	1958-09-03
1959	1959-06-09	1959-09-08
1960	1960-07-21	1960-09-07
1961	1961-06-10	1961-08-31
1962	1962-07-07	1962-08-21
1963	1963-06-06	1963-10-06
1964	1964-05-22	1964-08-05
1965	1965-06-27	1965-08-17
1966	1966-06-25	1966-08-29
1967	1967-05-18	1967-07-31
1968	1968-06-06	1968-08-24
1969	1969-07-04	1969-08-30
1970	1970-05-21	1970-08-19
1971	1971-06-12	1971-09-08
1972	1972-05-20	1972-08-29
1973	1973-06-08	1973-08-29
1974	1974-07-02	1974-07-20
1975	1975-05-19	1975-08-22
1976	1976-06-11	1976-10-02
1977	1977-06-04	1977-07-30
1978	1978-05-26	1978-09-12
1979	1979-08-07	1979-08-07
1980	1980-04-22	1980-09-08
1981	1981-06-06	1981-07-13
1982	1982-07-03	1982-08-04
1983	1983-06-21	1983-09-09
1984	1984-07-14	1984-09-20
1985	1985-04-18	1985-09-08
1986	1986-06-19	1986-07-25
1987	1987-05-17	1987-08-03
1988	1988-05-28	1988-09-17
1989	1989-07-03	1989-08-22
1990	1990-06-26	1990-09-06
1991	1991-04-06	1991-08-30
1992	1992-05-01	1992-08-09
1994	1994-04-18	1994-09-16
1995	1995-06-18	1995-09-14
1996	1996-05-19	1996-09-08
1997	1997-06-13	1997-10-05
2002	2002-04-16	2002-09-09
2003	2003-04-15	2003-09-09
2004	2004-06-07	2004-09-06
2005	2005-06-07	2005-10-05
2006	2006-05-29	2006-08-25
2007	2007-05-15	2007-10-07
2008	2008-06-26	2008-09-03
2009	2009-06-23	2009-08-15
2010	2010-05-24	2010-10-09
2011	2011-05-11	2011-09-02
2012	2012-05-28	2012-09-12
2023	2023-06-03	2023-10-02
2024	2024-06-17	2024-09-22
2025	2025-06-03	2025-10-04
2026	2026-05-28	2026-09-02

Every Fixed Threshold

Fixed thresholds at Waukon 3NNE
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	75	64	1936	13
35 C (95 F): Days	24	19	1936	2
40 C (104 F): Days	1	5	1936	5
90 F (32.2 C): Days	67	43	1936	5
100 F (37.8 C): Days	4	11	1936	1
0 C (32 F): Ice days (max	75	97	1975	42
0 C (32 F): Frost days (min	68	174	1961	90
-10 C (14 F): Days with min	68	91	1978	40
-20 C (-4 F): Days with min	68	40	1963	12
-30 C (-22 F): Days with min	34	7	1936	2
20 C (68 F): Tropical nights (min	68	26	1983	10
25 C (77 F): Days with min	5	2	1936	1
10 mm (0.39 in): Days with 10 mm or more rain	67	41	2007	21
25 mm (0.98 in): Days with 25 mm or more rain	67	16	2007	9
50 mm (1.97 in): Days with 50 mm or more rain	51	5	1959	1
100 mm (3.94 in): Days with 100 mm or more rain	8	1	1941	1
10 cm (3.9 in): Days with 10 cm or more snowfall	63	9	2007	2
25 cm (9.8 in): Days with 25 cm or more snowfall	12	2	1971	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1935.

Download the Data

Data for Waukon 3NNE 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Waukon 3NNE Threshold Days by Year (USC00138755)

Key Facts for Waukon 3NNE Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related