Pierce 1 E Threshold Days by Year (USC00417020)

16 fixed thresholds counted per year at Pierce 1 E (USC00417020): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pierce 1 E Thresholds

Pierce 1 E: days with 10 mm (0.39 in) or more of precipitation in 88 years, most in 1941 with 48.
Pierce 1 E: days with 25 mm (0.98 in) or more of precipitation in 88 years, most in 1959 with 23.
Pierce 1 E: days with 50 mm (1.97 in) or more of precipitation in 84 years, most in 1914 with 9.
Pierce 1 E: days with a maximum temperature at or above 30 C (86 F) in 79 years, most in 1938 with 216.
16 fixed thresholds have at least one qualifying day at Pierce 1 E.

Days at or above 30 C (86 F)

79 years with a qualifying day

Days per year at Pierce 1 E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 216 in 1938.

Days at or above 30 C (86 F) per year at Pierce 1 E
Year	Days	Decade average
1908	137	137
1910	106	134
1911	155	134
1912	142	134
1913	129	134
1914	135	134
1915	155	134
1916	176	134
1917	153	134
1918	123	134
1919	66	134
1920	122	160.3
1921	162	160.3
1922	171	160.3
1923	148	160.3
1924	153	160.3
1925	165	160.3
1926	156	160.3
1927	194	160.3
1928	161	160.3
1929	171	160.3
1930	131	157
1931	163	157
1932	136	157
1933	148	157
1934	170	157
1935	141	157
1936	141	157
1937	154	157
1938	216	157
1939	170	157
1940	138	145.4
1941	136	145.4
1942	137	145.4
1943	158	145.4
1944	131	145.4
1945	146	145.4
1946	134	145.4
1947	171	145.4
1948	159	145.4
1949	144	145.4
1950	159	148.6
1951	148	148.6
1952	134	148.6
1953	156	148.6
1954	157	148.6
1955	158	148.6
1956	164	148.6
1957	123	148.6
1958	145	148.6
1959	142	148.6
1960	135	151.4
1961	132	151.4
1962	160	151.4
1963	190	151.4
1964	143	151.4
1965	153	151.4
1966	140	151.4
1967	158	151.4
1968	149	151.4
1969	154	151.4
1970	126	133.8
1971	148	133.8
1972	147	133.8
1974	128	133.8
1975	129	133.8
1976	119	133.8
1977	143	133.8
1978	144	133.8
1979	120	133.8
1980	142	150
1981	144	150
1982	154	150
1983	124	150
1984	170	150
1986	156	150
1989	160	150
1990	160	160
2011	172	172

For each year, a bar from the first to the last day at Pierce 1 E meeting 30 C (86 F).

First to last qualifying date each year at Pierce 1 E
Year	First date	Last date
1908	1908-04-09	1908-10-21
1910	1910-05-11	1910-11-12
1911	1911-03-08	1911-11-27
1912	1912-04-14	1912-10-30
1913	1913-05-10	1913-10-10
1914	1914-05-04	1914-10-23
1915	1915-03-30	1915-12-10
1916	1916-03-07	1916-11-12
1917	1917-02-23	1917-10-28
1918	1918-03-14	1918-10-02
1919	1919-05-18	1919-09-30
1920	1920-04-18	1920-10-22
1921	1921-05-06	1921-12-16
1922	1922-02-20	1922-12-25
1923	1923-04-08	1923-10-14
1924	1924-04-05	1924-12-06
1925	1925-04-09	1925-11-06
1926	1926-04-22	1926-10-28
1927	1927-02-23	1927-11-28
1928	1928-03-13	1928-12-04
1929	1929-03-23	1929-12-09
1930	1930-04-05	1930-10-16
1931	1931-05-13	1931-11-12
1932	1932-02-27	1932-10-24
1933	1933-04-09	1933-12-13
1934	1934-04-11	1934-11-08
1935	1935-03-06	1935-10-30
1936	1936-03-30	1936-11-02
1937	1937-04-19	1937-11-27
1938	1938-02-27	1938-12-19
1939	1939-03-21	1939-10-27
1940	1940-02-28	1940-10-21
1941	1941-04-01	1941-10-25
1942	1942-03-13	1942-11-14
1943	1943-04-13	1943-11-01
1944	1944-04-14	1944-10-27
1945	1945-04-25	1945-11-13
1946	1946-03-29	1946-10-30
1947	1947-04-01	1947-11-11
1948	1948-04-01	1948-11-02
1949	1949-04-15	1949-10-24
1950	1950-05-01	1950-11-29
1951	1951-03-10	1951-11-15
1952	1952-05-03	1952-11-10
1953	1953-03-19	1953-10-22
1954	1954-02-05	1954-10-15
1955	1955-03-26	1955-11-14
1956	1956-04-15	1956-12-08
1957	1957-05-11	1957-10-09
1958	1958-04-04	1958-10-26
1959	1959-04-04	1959-11-01
1960	1960-05-16	1960-10-15
1961	1961-04-28	1961-11-02
1962	1962-02-10	1962-11-12
1963	1963-03-12	1963-11-08
1964	1964-04-26	1964-10-19
1965	1965-03-11	1965-10-24
1966	1966-04-02	1966-10-15
1967	1967-03-26	1967-11-26
1968	1968-04-15	1968-11-03
1969	1969-04-10	1969-11-13
1970	1970-04-30	1970-10-28
1971	1971-03-14	1971-11-16
1972	1972-03-18	1972-11-07
1974	1974-03-30	1974-10-30
1975	1975-03-02	1975-11-10
1976	1976-05-07	1976-10-05
1977	1977-03-19	1977-10-22
1978	1978-04-19	1978-10-26
1979	1979-04-11	1979-10-30
1980	1980-03-11	1980-10-19
1981	1981-03-31	1981-10-18
1982	1982-04-06	1982-11-22
1983	1983-05-08	1983-11-04
1984	1984-03-28	1984-11-02
1986	1986-02-17	1986-11-10
1989	1989-03-18	1989-11-14
1990	1990-03-15	1990-11-25
2011	2011-04-03	2011-11-21

Every Fixed Threshold

Fixed thresholds at Pierce 1 E
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	79	216	1938	172
35 C (95 F): Days	79	94	2011	94
40 C (104 F): Days	13	6	1962	1
90 F (32.2 C): Days	79	150	1927	117
100 F (37.8 C): Days	50	35	2011	35
0 C (32 F): Ice days (max	17	5	1951	2
0 C (32 F): Frost days (min	76	36	1912	22
-10 C (14 F): Days with min	15	4	1951	2
20 C (68 F): Tropical nights (min	76	164	1990	125
25 C (77 F): Days with min	45	14	1937	11
10 mm (0.39 in): Days with 10 mm or more rain	88	48	1941	15
25 mm (0.98 in): Days with 25 mm or more rain	88	23	1959	5
50 mm (1.97 in): Days with 50 mm or more rain	84	9	1914	1
100 mm (3.94 in): Days with 100 mm or more rain	36	4	1921	1
200 mm (7.87 in): Days with 200 mm or more rain	4	1	1943	1
10 cm (3.9 in): Days with 10 cm or more snowfall	1	1	1960	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.

Download the Data

Data for Pierce 1 E 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).

Pierce 1 E Threshold Days by Year (USC00417020)

Key Facts for Pierce 1 E Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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