Lahontan Dam Threshold Days by Year (USC00264349)

16 fixed thresholds counted per year at Lahontan Dam (USC00264349): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lahontan Dam Thresholds

Lahontan Dam: nights with a minimum temperature at or below 0 C (32 F) in 76 years, most in 1933 with 159.
Lahontan Dam: nights with a minimum temperature at or above 20 C (68 F) in 76 years, most in 2017 with 39.
Lahontan Dam: days with 10 mm (0.39 in) or more of precipitation in 75 years, most in 1943 with 7.
Lahontan Dam: days with a maximum temperature at or above 30 C (86 F) in 73 years, most in 2020 with 107.
16 fixed thresholds have at least one qualifying day at Lahontan Dam.

Days at or above 30 C (86 F)

73 years with a qualifying day

Days per year at Lahontan Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 107 in 2020.

Days at or above 30 C (86 F) per year at Lahontan Dam
Year	Days	Decade average
1912	64	77
1913	75	77
1914	86	77
1915	71	77
1916	67	77
1917	90	77
1919	86	77
1920	63	80
1921	74	80
1922	83	80
1923	70	80
1924	100	80
1925	59	80
1926	89	80
1928	94	80
1929	88	80
1930	87	88.9
1931	98	88.9
1932	84	88.9
1933	94	88.9
1934	94	88.9
1936	95	88.9
1937	78	88.9
1938	82	88.9
1939	88	88.9
1940	93	75.5
1941	63	75.5
1942	82	75.5
1943	86	75.5
1944	67	75.5
1945	69	75.5
1946	52	75.5
1947	79	75.5
1948	79	75.5
1949	85	75.5
1950	94	85.3
1951	103	85.3
1952	96	85.3
1953	78	85.3
1954	73	85.3
1956	76	85.3
1957	81	85.3
1958	79	85.3
1959	88	85.3
1960	101	78.4
1961	74	78.4
1962	81	78.4
1963	80	78.4
1964	69	78.4
1965	53	78.4
1966	88	78.4
1967	83	78.4
1968	74	78.4
1969	81	78.4
1970	85	75.6
1971	76	75.6
1972	74	75.6
1976	57	75.6
1977	86	75.6
1982	71	88.2
1983	71	88.2
1985	88	88.2
1986	96	88.2
1987	103	88.2
1988	100	88.2
1991	91	91
2014	104	100.8
2016	100	100.8
2017	105	100.8
2018	105	100.8
2019	90	100.8
2020	107	101.5
2026	96	101.5

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

First to last qualifying date each year at Lahontan Dam
Year	First date	Last date
1912	1912-05-17	1912-09-22
1913	1913-05-22	1913-09-21
1914	1914-05-19	1914-09-24
1915	1915-07-01	1915-10-21
1916	1916-05-03	1916-09-21
1917	1917-06-08	1917-10-09
1919	1919-05-18	1919-09-25
1920	1920-05-17	1920-09-30
1921	1921-05-26	1921-09-24
1922	1922-05-17	1922-09-23
1923	1923-05-08	1923-09-15
1924	1924-05-09	1924-09-30
1925	1925-05-02	1925-08-31
1926	1926-05-03	1926-10-16
1928	1928-05-07	1928-09-25
1929	1929-05-22	1929-10-05
1930	1930-05-27	1930-09-19
1931	1931-05-05	1931-10-02
1932	1932-05-17	1932-10-05
1933	1933-05-29	1933-10-12
1934	1934-04-20	1934-09-30
1936	1936-04-15	1936-10-11
1937	1937-05-03	1937-09-18
1938	1938-05-14	1938-09-23
1939	1939-05-27	1939-09-23
1940	1940-05-09	1940-09-26
1941	1941-05-10	1941-09-06
1942	1942-05-20	1942-10-10
1943	1943-05-24	1943-10-01
1944	1944-06-26	1944-09-29
1945	1945-06-13	1945-09-16
1946	1946-05-19	1946-09-30
1947	1947-05-01	1947-10-04
1948	1948-05-15	1948-09-16
1949	1949-05-26	1949-10-05
1950	1950-04-21	1950-10-17
1951	1951-05-25	1951-10-11
1952	1952-04-07	1952-10-05
1953	1953-06-19	1953-09-26
1954	1954-05-08	1954-09-28
1956	1956-05-22	1956-10-01
1957	1957-06-01	1957-09-24
1958	1958-05-11	1958-09-19
1959	1959-05-13	1959-09-13
1960	1960-05-10	1960-09-28
1961	1961-04-04	1961-09-12
1962	1962-06-10	1962-10-03
1963	1963-05-19	1963-10-04
1964	1964-05-20	1964-10-08
1965	1965-06-03	1965-10-11
1966	1966-04-02	1966-09-26
1967	1967-05-18	1967-09-29
1968	1968-05-29	1968-09-19
1969	1969-05-10	1969-09-15
1970	1970-05-17	1970-10-05
1971	1971-06-16	1971-10-14
1972	1972-05-15	1972-09-17
1976	1976-05-14	1976-09-25
1977	1977-05-31	1977-09-15
1982	1982-05-26	1982-09-10
1983	1983-05-22	1983-09-19
1985	1985-04-17	1985-09-28
1986	1986-05-19	1986-09-08
1987	1987-04-26	1987-10-07
1988	1988-05-11	1988-10-03
1991	1991-05-24	1991-10-12
2014	2014-05-03	2014-10-09
2016	2016-05-14	2016-09-29
2017	2017-05-03	2017-09-13
2018	2018-04-26	2018-09-28
2019	2019-06-03	2019-09-26
2020	2020-05-08	2020-10-05
2026	2026-05-07	2026-10-06

Every Fixed Threshold

Fixed thresholds at Lahontan Dam
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	73	107	2020	96
35 C (95 F): Days	73	64	1988	58
40 C (104 F): Days	28	10	1931	13
90 F (32.2 C): Days	73	92	2017	77
100 F (37.8 C): Days	66	31	2018	33
110 F (43.3 C): Days	1	1	1931	1
0 C (32 F): Ice days (max	63	41	1949	3
0 C (32 F): Frost days (min	76	159	1933	37
-10 C (14 F): Days with min	71	44	1949	1
-20 C (-4 F): Days with min	14	14	1937	5
20 C (68 F): Tropical nights (min	76	39	2017	45
25 C (77 F): Days with min	10	2	2017	4
10 mm (0.39 in): Days with 10 mm or more rain	75	7	1943	1
25 mm (0.98 in): Days with 25 mm or more rain	13	2	1916	1
50 mm (1.97 in): Days with 50 mm or more rain	1	1	1971	1
10 cm (3.9 in): Days with 10 cm or more snowfall	16	4	1916	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

Download the Data

Data for Lahontan Dam 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).

Lahontan Dam Threshold Days by Year (USC00264349)

Key Facts for Lahontan Dam Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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