Utah Lake Lehi Threshold Days by Year (USC00428973)

16 fixed thresholds counted per year at Utah Lake Lehi (USC00428973): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Utah Lake Lehi Thresholds

Utah Lake Lehi: nights with a minimum temperature at or below 0 C (32 F) in 89 years, most in 1924 with 187.
Utah Lake Lehi: nights with a minimum temperature at or below -10 C (14 F) in 88 years, most in 1985 with 63.
Utah Lake Lehi: days with 10 mm (0.39 in) or more of precipitation in 86 years, most in 1983 with 17.
Utah Lake Lehi: days with a maximum temperature at or above 30 C (86 F) in 84 years, most in 2018 with 90.
16 fixed thresholds have at least one qualifying day at Utah Lake Lehi.

Days at or above 30 C (86 F)

84 years with a qualifying day

Days per year at Utah Lake Lehi with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 90 in 2018.

Days at or above 30 C (86 F) per year at Utah Lake Lehi
Year	Days	Decade average
1924	63	53.5
1925	53	53.5
1926	59	53.5
1927	41	53.5
1928	55	53.5
1929	50	53.5
1930	48	65.1
1931	75	65.1
1932	59	65.1
1933	75	65.1
1934	79	65.1
1935	83	65.1
1936	63	65.1
1937	62	65.1
1938	49	65.1
1939	58	65.1
1940	73	63.8
1942	67	63.8
1943	66	63.8
1944	65	63.8
1945	49	63.8
1946	71	63.8
1947	54	63.8
1948	71	63.8
1949	58	63.8
1950	53	60
1951	44	60
1952	51	60
1953	58	60
1954	50	60
1955	65	60
1956	75	60
1957	61	60
1958	77	60
1959	66	60
1960	68	66
1961	79	66
1962	66	66
1963	84	66
1964	60	66
1965	38	66
1966	78	66
1967	67	66
1968	44	66
1969	76	66
1970	68	64.4
1971	70	64.4
1972	56	64.4
1973	60	64.4
1974	76	64.4
1975	46	64.4
1976	63	64.4
1977	80	64.4
1978	58	64.4
1979	67	64.4
1980	59	58
1981	75	58
1982	43	58
1983	45	58
1984	52	58
1985	53	58
1986	57	58
1987	54	58
1988	84	58
1989	58	58
1991	70	70.5
1992	63	70.5
1996	71	70.5
1997	78	70.5
1998	69	70.5
1999	72	70.5
2000	71	71
2015	83	80.4
2016	78	80.4
2017	79	80.4
2018	90	80.4
2019	72	80.4
2020	86	75
2021	87	75
2022	87	75
2023	57	75
2024	84	75
2025	58	75
2026	66	75

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

First to last qualifying date each year at Utah Lake Lehi
Year	First date	Last date
1924	1924-06-06	1924-09-07
1925	1925-05-28	1925-08-30
1926	1926-05-19	1926-09-16
1927	1927-05-15	1927-08-27
1928	1928-05-29	1928-09-25
1929	1929-06-14	1929-09-19
1930	1930-06-07	1930-08-28
1931	1931-06-06	1931-09-14
1932	1932-06-14	1932-09-17
1933	1933-06-09	1933-09-20
1934	1934-05-06	1934-09-18
1935	1935-06-07	1935-09-22
1936	1936-05-12	1936-09-02
1937	1937-05-17	1937-09-19
1938	1938-05-27	1938-09-05
1939	1939-05-29	1939-09-21
1940	1940-05-31	1940-09-10
1942	1942-05-25	1942-09-09
1943	1943-05-27	1943-09-23
1944	1944-06-24	1944-09-21
1945	1945-06-23	1945-09-15
1946	1946-06-03	1946-09-13
1947	1947-05-03	1947-09-16
1948	1948-05-17	1948-09-16
1949	1949-06-15	1949-09-16
1950	1950-06-15	1950-09-06
1951	1951-05-27	1951-08-27
1952	1952-06-08	1952-09-10
1953	1953-06-11	1953-09-14
1954	1954-05-19	1954-09-22
1955	1955-06-07	1955-09-14
1956	1956-05-31	1956-09-19
1957	1957-06-03	1957-09-29
1958	1958-05-20	1958-09-22
1959	1959-06-04	1959-09-11
1960	1960-05-11	1960-09-20
1961	1961-05-23	1961-09-06
1962	1962-06-10	1962-09-19
1963	1963-05-06	1963-10-04
1964	1964-05-16	1964-09-17
1965	1965-06-05	1965-08-28
1966	1966-05-06	1966-09-27
1967	1967-05-23	1967-09-05
1968	1968-06-02	1968-08-10
1969	1969-05-18	1969-09-29
1970	1970-05-18	1970-09-04
1971	1971-06-16	1971-09-13
1972	1972-05-30	1972-09-17
1973	1973-05-18	1973-09-07
1974	1974-05-27	1974-09-25
1975	1975-05-14	1975-09-02
1976	1976-05-14	1976-09-06
1977	1977-04-25	1977-09-08
1978	1978-05-13	1978-09-06
1979	1979-05-20	1979-09-24
1980	1980-06-10	1980-09-18
1981	1981-06-07	1981-09-20
1982	1982-06-27	1982-09-04
1983	1983-06-18	1983-09-18
1984	1984-05-23	1984-09-03
1985	1985-06-17	1985-09-03
1986	1986-05-30	1986-08-31
1987	1987-06-04	1987-09-03
1988	1988-05-16	1988-09-08
1989	1989-06-15	1989-09-05
1991	1991-06-12	1991-09-04
1992	1992-06-11	1992-09-18
1996	1996-06-07	1996-09-14
1997	1997-05-31	1997-10-06
1998	1998-06-02	1998-10-01
1999	1999-06-11	1999-09-01
2000	2000-06-02	2000-09-16
2015	2015-05-30	2015-09-27
2016	2016-06-02	2016-09-11
2017	2017-05-24	2017-09-12
2018	2018-06-03	2018-09-28
2019	2019-06-13	2019-09-15
2020	2020-05-27	2020-09-24
2021	2021-05-19	2021-09-15
2022	2022-05-15	2022-09-11
2023	2023-06-18	2023-09-11
2024	2024-06-05	2024-10-11
2025	2025-05-29	2025-09-03
2026	2026-03-25	2026-09-13

Every Fixed Threshold

Fixed thresholds at Utah Lake Lehi
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	84	90	2018	66
35 C (95 F): Days	80	31	2020	15
40 C (104 F): Days	2	1	1931	1
90 F (32.2 C): Days	84	69	2020	45
100 F (37.8 C): Days	29	7	1931	1
0 C (32 F): Ice days (max	81	50	1930	10
0 C (32 F): Frost days (min	89	187	1924	52
-10 C (14 F): Days with min	88	63	1985	13
-20 C (-4 F): Days with min	52	21	1949	1
-30 C (-22 F): Days with min	7	5	1937	3
20 C (68 F): Tropical nights (min	67	17	2025	34
25 C (77 F): Days with min	3	1	1953	2
10 mm (0.39 in): Days with 10 mm or more rain	86	17	1983	7
25 mm (0.98 in): Days with 25 mm or more rain	28	2	1946	1
10 cm (3.9 in): Days with 10 cm or more snowfall	54	6	1966	2
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1944	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1924.

Download the Data

Data for Utah Lake Lehi 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).

Utah Lake Lehi Threshold Days by Year (USC00428973)

Key Facts for Utah Lake Lehi Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related