Truckee Rs Threshold Days by Year (USC00049043)

16 fixed thresholds counted per year at Truckee Rs (USC00049043): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Truckee Rs Thresholds

Truckee Rs: days with a maximum temperature at or above 30 C (86 F) in 80 years, most in 1988 with 50.
Truckee Rs: days with a maximum temperature at or below 0 C (32 F) in 80 years, most in 1913 with 75.
Truckee Rs: nights with a minimum temperature at or below 0 C (32 F) in 79 years, most in 1960 with 267.
Truckee Rs: nights with a minimum temperature at or below -10 C (14 F) in 79 years, most in 1911 with 101.
16 fixed thresholds have at least one qualifying day at Truckee Rs.

Days at or above 30 C (86 F)

80 years with a qualifying day

Days per year at Truckee Rs with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 50 in 1988.

Days at or above 30 C (86 F) per year at Truckee Rs
Year	Days	Decade average
1905	42	24.7
1906	30	24.7
1909	2	24.7
1911	9	21.3
1912	5	21.3
1913	4	21.3
1914	42	21.3
1915	41	21.3
1916	9	21.3
1917	31	21.3
1918	26	21.3
1919	25	21.3
1935	36	32.8
1936	35	32.8
1937	34	32.8
1938	21	32.8
1939	38	32.8
1940	26	25.3
1941	22	25.3
1942	29	25.3
1944	23	25.3
1945	45	25.3
1946	19	25.3
1947	23	25.3
1948	15	25.3
1950	30	20
1951	26	20
1952	12	20
1953	18	20
1954	19	20
1955	25	20
1956	13	20
1957	9	20
1958	12	20
1959	36	20
1960	25	14.4
1961	28	14.4
1962	5	14.4
1963	1	14.4
1964	12	14.4
1965	2	14.4
1966	21	14.4
1967	18	14.4
1968	13	14.4
1969	19	14.4
1970	21	24
1971	25	24
1972	26	24
1973	33	24
1974	28	24
1975	23	24
1976	17	24
1977	25	24
1978	18	24
1981	37	22.3
1982	8	22.3
1983	4	22.3
1984	17	22.3
1985	25	22.3
1986	28	22.3
1988	50	22.3
1989	9	22.3
1990	30	24.9
1991	19	24.9
1993	11	24.9
1994	44	24.9
1995	18	24.9
1996	40	24.9
1997	15	24.9
1998	33	24.9
1999	14	24.9
2000	22	30.8
2001	32	30.8
2002	31	30.8
2003	40	30.8
2004	20	30.8
2005	30	30.8
2006	33	30.8
2007	33	30.8
2008	36	30.8

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

First to last qualifying date each year at Truckee Rs
Year	First date	Last date
1905	1905-07-01	1905-09-28
1906	1906-06-28	1906-08-26
1909	1909-07-14	1909-08-27
1911	1911-06-12	1911-07-17
1912	1912-06-03	1912-07-28
1913	1913-09-13	1913-09-18
1914	1914-05-13	1914-08-25
1915	1915-06-06	1915-09-09
1916	1916-06-05	1916-08-10
1917	1917-07-01	1917-10-05
1918	1918-06-11	1918-09-03
1919	1919-07-08	1919-09-22
1935	1935-06-20	1935-09-20
1936	1936-06-21	1936-09-23
1937	1937-06-27	1937-09-25
1938	1938-07-15	1938-09-22
1939	1939-06-21	1939-09-08
1940	1940-06-13	1940-08-29
1941	1941-07-04	1941-08-15
1942	1942-07-01	1942-09-15
1944	1944-06-29	1944-09-11
1945	1945-06-18	1945-09-17
1946	1946-06-30	1946-08-24
1947	1947-06-18	1947-09-15
1948	1948-06-28	1948-09-13
1950	1950-06-01	1950-09-04
1951	1951-06-16	1951-09-16
1952	1952-07-04	1952-09-24
1953	1953-07-07	1953-09-14
1954	1954-05-19	1954-09-02
1955	1955-06-08	1955-09-10
1956	1956-06-27	1956-09-02
1957	1957-06-24	1957-09-10
1958	1958-07-11	1958-09-01
1959	1959-06-21	1959-09-02
1960	1960-06-03	1960-08-20
1961	1961-06-15	1961-08-23
1962	1962-07-24	1962-09-02
1963	1963-08-08	1963-08-08
1964	1964-07-12	1964-08-25
1965	1965-07-06	1965-07-30
1966	1966-06-14	1966-09-05
1967	1967-06-30	1967-08-24
1968	1968-06-26	1968-09-01
1969	1969-07-19	1969-09-07
1970	1970-06-21	1970-08-16
1971	1971-07-14	1971-09-16
1972	1972-06-28	1972-08-28
1973	1973-06-08	1973-08-18
1974	1974-06-10	1974-09-22
1975	1975-06-15	1975-09-09
1976	1976-06-28	1976-09-05
1977	1977-06-06	1977-09-07
1978	1978-07-22	1978-08-11
1981	1981-06-22	1981-09-18
1982	1982-07-30	1982-09-03
1983	1983-07-30	1983-08-07
1984	1984-05-29	1984-09-11
1985	1985-06-13	1985-08-26
1986	1986-05-30	1986-09-06
1988	1988-06-19	1988-09-09
1989	1989-06-19	1989-08-07
1990	1990-06-22	1990-09-11
1991	1991-06-11	1991-09-25
1993	1993-06-26	1993-09-11
1994	1994-06-10	1994-08-31
1995	1995-06-26	1995-09-15
1996	1996-06-06	1996-10-09
1997	1997-07-08	1997-08-16
1998	1998-07-13	1998-09-05
1999	1999-06-29	1999-09-26
2000	2000-06-15	2000-08-29
2001	2001-06-01	2001-08-29
2002	2002-06-06	2002-09-04
2003	2003-05-24	2003-09-29
2004	2004-07-06	2004-09-01
2005	2005-07-01	2005-08-24
2006	2006-06-23	2006-09-14
2007	2007-07-04	2007-09-09
2008	2008-05-17	2008-09-16

Every Fixed Threshold

Fixed thresholds at Truckee Rs
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	80	50	1988	36
35 C (95 F): Days	29	10	1917	2
90 F (32.2 C): Days	76	29	1988	12
100 F (37.8 C): Days	2	1	1915	1
0 C (32 F): Ice days (max	80	75	1913	27
0 C (32 F): Frost days (min	79	267	1960	243
-10 C (14 F): Days with min	79	101	1911	64
-20 C (-4 F): Days with min	57	33	1917	3
-30 C (-22 F): Days with min	7	4	1937	1
10 mm (0.39 in): Days with 10 mm or more rain	78	48	1983	23
25 mm (0.98 in): Days with 25 mm or more rain	77	21	1996	5
50 mm (1.97 in): Days with 50 mm or more rain	55	5	1907	1
100 mm (3.94 in): Days with 100 mm or more rain	7	2	1955	1
10 cm (3.9 in): Days with 10 cm or more snowfall	60	36	1952	21
25 cm (9.8 in): Days with 25 cm or more snowfall	60	13	1952	8
50 cm (19.7 in): Days with 50 cm or more snowfall	30	5	1967	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

Data for Truckee Rs 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).

Truckee Rs Threshold Days by Year (USC00049043)

Key Facts for Truckee Rs Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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