Pullman Exp STN Threshold Days by Year (USC00456784)

15 fixed thresholds counted per year at Pullman Exp STN (USC00456784): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pullman Exp STN Thresholds

Pullman Exp STN: days with a maximum temperature at or above 30 C (86 F) in 51 years, most in 1908 with 48.
Pullman Exp STN: days with a maximum temperature at or above 90 F (32.2 C) in 51 years, most in 1908 with 30.
Pullman Exp STN: days with a maximum temperature at or below 0 C (32 F) in 51 years, most in 1922 with 67.
Pullman Exp STN: nights with a minimum temperature at or below 0 C (32 F) in 51 years, most in 1948 with 149.
15 fixed thresholds have at least one qualifying day at Pullman Exp STN.

Days at or above 30 C (86 F)

51 years with a qualifying day

Days per year at Pullman Exp STN with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 48 in 1908.

Days at or above 30 C (86 F) per year at Pullman Exp STN
Year	Days	Decade average
1894	26	28.2
1896	33	28.2
1897	28	28.2
1898	35	28.2
1899	19	28.2
1902	23	33.8
1903	24	33.8
1906	40	33.8
1908	48	33.8
1910	33	29.2
1911	17	29.2
1912	12	29.2
1913	35	29.2
1914	36	29.2
1915	40	29.2
1916	14	29.2
1917	40	29.2
1918	33	29.2
1919	32	29.2
1920	28	28.3
1921	21	28.3
1922	47	28.3
1923	33	28.3
1925	37	28.3
1926	24	28.3
1927	22	28.3
1928	21	28.3
1929	22	28.3
1930	26	26.4
1931	28	26.4
1932	29	26.4
1933	34	26.4
1934	25	26.4
1935	22	26.4
1936	22	26.4
1937	17	26.4
1938	30	26.4
1939	31	26.4
1940	31	19.9
1941	16	19.9
1942	26	19.9
1944	19	19.9
1945	26	19.9
1946	17	19.9
1947	12	19.9
1948	7	19.9
1949	25	19.9
1950	26	27
1951	27	27
1952	28	27
1953	27	27

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

First to last qualifying date each year at Pullman Exp STN
Year	First date	Last date
1894	1894-07-04	1894-08-27
1896	1896-06-26	1896-08-29
1897	1897-05-13	1897-10-07
1898	1898-06-07	1898-09-18
1899	1899-06-30	1899-09-25
1902	1902-06-22	1902-09-12
1903	1903-06-01	1903-09-04
1906	1906-04-21	1906-09-19
1908	1908-06-14	1908-09-13
1910	1910-04-19	1910-09-19
1911	1911-06-11	1911-09-02
1912	1912-07-15	1912-08-24
1913	1913-06-01	1913-09-17
1914	1914-05-31	1914-09-02
1915	1915-06-22	1915-09-04
1916	1916-06-15	1916-08-31
1917	1917-06-14	1917-09-20
1918	1918-06-07	1918-09-28
1919	1919-06-18	1919-09-03
1920	1920-07-08	1920-09-04
1921	1921-06-23	1921-08-29
1922	1922-06-01	1922-09-19
1923	1923-06-29	1923-09-13
1925	1925-06-19	1925-09-07
1926	1926-04-26	1926-08-25
1927	1927-07-17	1927-08-23
1928	1928-05-21	1928-09-03
1929	1929-07-01	1929-08-30
1930	1930-07-05	1930-09-03
1931	1931-05-13	1931-09-03
1932	1932-06-13	1932-09-11
1933	1933-06-13	1933-08-28
1934	1934-05-23	1934-09-05
1935	1935-07-12	1935-09-09
1936	1936-04-17	1936-08-29
1937	1937-06-02	1937-09-15
1938	1938-07-07	1938-09-23
1939	1939-04-28	1939-09-20
1940	1940-05-23	1940-09-09
1941	1941-07-06	1941-08-21
1942	1942-06-30	1942-09-02
1944	1944-06-29	1944-09-12
1945	1945-07-06	1945-09-01
1946	1946-04-25	1946-08-22
1947	1947-07-01	1947-09-02
1948	1948-05-27	1948-09-15
1949	1949-05-12	1949-09-09
1950	1950-06-30	1950-09-22
1951	1951-05-23	1951-09-17
1952	1952-06-10	1952-09-26
1953	1953-07-07	1953-09-22

Every Fixed Threshold

Fixed thresholds at Pullman Exp STN
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	51	48	1908	27
35 C (95 F): Days	44	15	1915	4
90 F (32.2 C): Days	51	30	1908	14
100 F (37.8 C): Days	16	3	1898	1
0 C (32 F): Ice days (max	51	67	1922	1
0 C (32 F): Frost days (min	51	149	1948	94
-10 C (14 F): Days with min	49	39	1949	7
-20 C (-4 F): Days with min	27	14	1950	1
20 C (68 F): Tropical nights (min	32	6	1913	1
25 C (77 F): Days with min	1	1	1928	1
10 mm (0.39 in): Days with 10 mm or more rain	42	27	1899	15
25 mm (0.98 in): Days with 25 mm or more rain	23	5	1906	1
50 mm (1.97 in): Days with 50 mm or more rain	2	2	1906	2
10 cm (3.9 in): Days with 10 cm or more snowfall	9	6	1949	5
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1951	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

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Data for Pullman Exp STN 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).

Pullman Exp STN Threshold Days by Year (USC00456784)

Key Facts for Pullman Exp STN Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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