Ft Lewis Threshold Days by Year (USC00053016)

15 fixed thresholds counted per year at Ft Lewis (USC00053016): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ft Lewis Thresholds

Ft Lewis: days with 10 mm (0.39 in) or more of precipitation in 94 years, most in 1957 with 30.
Ft Lewis: nights with a minimum temperature at or below 0 C (32 F) in 82 years, most in 1953 with 243.
Ft Lewis: nights with a minimum temperature at or below -10 C (14 F) in 82 years, most in 1964 with 98.
Ft Lewis: days with a maximum temperature at or below 0 C (32 F) in 81 years, most in 1979 with 49.
15 fixed thresholds have at least one qualifying day at Ft Lewis.

Days at or above 30 C (86 F)

74 years with a qualifying day

Days per year at Ft Lewis with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 30 in 2012.

Days at or above 30 C (86 F) per year at Ft Lewis
Year	Days	Decade average
1918	10	10
1921	6	7.5
1922	24	7.5
1923	11	7.5
1925	6	7.5
1926	5	7.5
1927	3	7.5
1928	2	7.5
1929	3	7.5
1930	2	5.8
1931	6	5.8
1932	2	5.8
1934	13	5.8
1935	2	5.8
1936	16	5.8
1937	5	5.8
1938	2	5.8
1939	4	5.8
1950	2	2.1
1951	1	2.1
1952	1	2.1
1953	3	2.1
1954	6	2.1
1956	1	2.1
1958	2	2.1
1959	1	2.1
1960	19	11
1961	15	11
1962	5	11
1963	11	11
1964	10	11
1966	13	11
1968	7	11
1969	8	11
1970	12	9
1972	17	9
1973	12	9
1974	15	9
1975	3	9
1976	4	9
1977	3	9
1978	5	9
1979	10	9
1980	21	8.4
1981	8	8.4
1984	5	8.4
1985	8	8.4
1986	2	8.4
1987	4	8.4
1988	7	8.4
1989	12	8.4
1994	24	23.3
1995	26	23.3
1996	20	23.3
2003	25	9.5
2004	3	9.5
2005	12	9.5
2006	6	9.5
2007	7	9.5
2008	4	9.5
2010	8	12
2011	14	12
2012	30	12
2015	2	12
2016	13	12
2017	6	12
2018	18	12
2019	5	12
2020	13	20.5
2022	15	20.5
2023	18	20.5
2024	18	20.5
2025	22	20.5
2026	37	20.5

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

First to last qualifying date each year at Ft Lewis
Year	First date	Last date
1918	1918-06-10	1918-08-05
1921	1921-06-28	1921-08-18
1922	1922-06-11	1922-08-27
1923	1923-06-23	1923-08-05
1925	1925-07-13	1925-07-18
1926	1926-06-27	1926-08-28
1927	1927-06-19	1927-06-26
1928	1928-07-10	1928-08-22
1929	1929-06-28	1929-06-30
1930	1930-06-16	1930-07-05
1931	1931-07-14	1931-07-28
1932	1932-07-08	1932-07-22
1934	1934-06-29	1934-08-16
1935	1935-07-11	1935-07-28
1936	1936-06-14	1936-07-27
1937	1937-06-20	1937-07-23
1938	1938-08-01	1938-08-02
1939	1939-07-08	1939-08-15
1950	1950-06-20	1950-08-31
1951	1951-07-30	1951-07-30
1952	1952-07-23	1952-07-23
1953	1953-07-02	1953-07-05
1954	1954-06-21	1954-07-15
1956	1956-06-27	1956-06-27
1958	1958-07-12	1958-08-03
1959	1959-07-23	1959-07-23
1960	1960-06-30	1960-09-05
1961	1961-06-22	1961-08-07
1962	1962-07-11	1962-08-15
1963	1963-06-27	1963-07-31
1964	1964-06-16	1964-08-07
1966	1966-07-02	1966-08-02
1968	1968-06-21	1968-07-21
1969	1969-07-02	1969-08-11
1970	1970-06-25	1970-08-13
1972	1972-07-13	1972-08-13
1973	1973-06-26	1973-08-20
1974	1974-06-15	1974-07-12
1975	1975-07-01	1975-07-31
1976	1976-06-28	1976-07-11
1977	1977-06-28	1977-07-17
1978	1978-07-14	1978-08-06
1979	1979-06-29	1979-08-05
1980	1980-06-29	1980-08-12
1981	1981-06-21	1981-08-06
1984	1984-05-27	1984-08-05
1985	1985-07-04	1985-08-31
1986	1986-08-17	1986-08-18
1987	1987-06-24	1987-07-26
1988	1988-06-21	1988-07-23
1989	1989-06-15	1989-07-19
1994	1994-06-24	1994-08-27
1995	1995-07-05	1995-09-04
1996	1996-06-05	1996-08-16
2003	2003-06-30	2003-08-10
2004	2004-07-12	2004-07-21
2005	2005-06-20	2005-07-22
2006	2006-06-06	2006-07-26
2007	2007-06-26	2007-07-17
2008	2008-07-19	2008-08-02
2010	2010-06-06	2010-07-20
2011	2011-07-02	2011-08-28
2012	2012-06-21	2012-08-31
2015	2015-06-26	2015-06-28
2016	2016-06-19	2016-07-30
2017	2017-06-17	2017-07-10
2018	2018-06-12	2018-08-09
2019	2019-07-17	2019-09-03
2020	2020-07-11	2020-09-06
2022	2022-06-10	2022-09-06
2023	2023-07-04	2023-07-29
2024	2024-06-05	2024-08-06
2025	2025-06-15	2025-08-21
2026	2026-06-17	2026-08-26

Every Fixed Threshold

Fixed thresholds at Ft Lewis
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	74	30	2012	37
35 C (95 F): Days	3	3	1974	3
90 F (32.2 C): Days	35	14	2003	11
100 F (37.8 C): Days	1	1	1973	1
0 C (32 F): Ice days (max	81	49	1979	5
0 C (32 F): Frost days (min	82	243	1953	106
-10 C (14 F): Days with min	82	98	1964	13
-20 C (-4 F): Days with min	79	25	1949	2
-30 C (-22 F): Days with min	9	2	1933	1
10 mm (0.39 in): Days with 10 mm or more rain	94	30	1957	9
25 mm (0.98 in): Days with 25 mm or more rain	73	5	1916	1
50 mm (1.97 in): Days with 50 mm or more rain	11	2	1972	1
10 cm (3.9 in): Days with 10 cm or more snowfall	74	17	2019	2
25 cm (9.8 in): Days with 25 cm or more snowfall	39	6	2019	1
50 cm (19.7 in): Days with 50 cm or more snowfall	3	1	1987	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1918.

Download the Data

Data for Ft Lewis 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).

Ft Lewis Threshold Days by Year (USC00053016)

Key Facts for Ft Lewis Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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