Orman Dam Threshold Days by Year (USC00396357)

19 fixed thresholds counted per year at Orman Dam (USC00396357): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Orman Dam Thresholds

Orman Dam: days with a maximum temperature at or above 30 C (86 F) in 63 years, most in 1939 with 90.
Orman Dam: days with a maximum temperature at or above 35 C (95 F) in 63 years, most in 1936 with 54.
Orman Dam: days with a maximum temperature at or above 90 F (32.2 C) in 63 years, most in 1936 with 75.
Orman Dam: days with a maximum temperature at or below 0 C (32 F) in 63 years, most in 1937 with 71.
19 fixed thresholds have at least one qualifying day at Orman Dam.

Days at or above 30 C (86 F)

63 years with a qualifying day

Days per year at Orman Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 90 in 1939.

Days at or above 30 C (86 F) per year at Orman Dam
Year	Days	Decade average
1909	64	64
1911	66	53.7
1912	33	53.7
1913	55	53.7
1914	72	53.7
1915	11	53.7
1916	55	53.7
1917	58	53.7
1918	49	53.7
1919	84	53.7
1920	49	47.8
1921	72	47.8
1922	49	47.8
1923	34	47.8
1924	39	47.8
1925	57	47.8
1926	46	47.8
1927	33	47.8
1928	40	47.8
1929	59	47.8
1930	57	72.8
1931	78	72.8
1932	56	72.8
1933	72	72.8
1934	78	72.8
1935	62	72.8
1936	89	72.8
1937	70	72.8
1938	76	72.8
1939	90	72.8
1940	75	59.3
1941	60	59.3
1942	47	59.3
1943	75	59.3
1944	40	59.3
1945	55	59.3
1946	51	59.3
1947	65	59.3
1948	59	59.3
1949	66	59.3
1950	42	61.1
1951	37	61.1
1952	71	61.1
1953	63	61.1
1954	63	61.1
1956	71	61.1
1957	56	61.1
1958	62	61.1
1959	85	61.1
1960	76	61.9
1961	76	61.9
1962	36	61.9
1963	68	61.9
1964	61	61.9
1965	37	61.9
1966	70	61.9
1967	62	61.9
1968	58	61.9
1969	75	61.9
1970	86	70.3
1971	67	70.3
1972	55	70.3
1973	73	70.3

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

First to last qualifying date each year at Orman Dam
Year	First date	Last date
1909	1909-06-04	1909-10-04
1911	1911-05-06	1911-09-17
1912	1912-06-09	1912-09-05
1913	1913-05-27	1913-09-14
1914	1914-05-30	1914-10-02
1915	1915-07-12	1915-09-02
1916	1916-05-06	1916-10-01
1917	1917-05-15	1917-09-23
1918	1918-05-04	1918-09-22
1919	1919-05-25	1919-09-17
1920	1920-05-27	1920-10-06
1921	1921-06-10	1921-09-26
1922	1922-06-05	1922-10-04
1923	1923-05-26	1923-09-21
1924	1924-06-17	1924-09-30
1925	1925-05-19	1925-09-25
1926	1926-04-16	1926-09-20
1927	1927-06-26	1927-09-16
1928	1928-05-05	1928-10-09
1929	1929-05-22	1929-09-14
1930	1930-05-25	1930-09-22
1931	1931-05-14	1931-10-01
1932	1932-05-12	1932-09-09
1933	1933-05-31	1933-09-29
1934	1934-05-05	1934-09-19
1935	1935-06-29	1935-10-15
1936	1936-04-19	1936-09-24
1937	1937-05-27	1937-10-26
1938	1938-04-30	1938-10-03
1939	1939-04-22	1939-09-22
1940	1940-05-11	1940-10-20
1941	1941-05-13	1941-09-19
1942	1942-04-22	1942-10-11
1943	1943-05-27	1943-10-10
1944	1944-05-13	1944-09-07
1945	1945-06-21	1945-10-18
1946	1946-06-04	1946-09-16
1947	1947-05-03	1947-10-10
1948	1948-05-17	1948-10-03
1949	1949-04-28	1949-09-29
1950	1950-05-22	1950-09-07
1951	1951-05-23	1951-10-01
1952	1952-04-26	1952-09-27
1953	1953-05-27	1953-10-11
1954	1954-05-20	1954-10-08
1956	1956-05-18	1956-10-12
1957	1957-05-02	1957-10-02
1958	1958-05-11	1958-10-19
1959	1959-05-25	1959-09-14
1960	1960-05-12	1960-10-07
1961	1961-05-10	1961-10-06
1962	1962-04-20	1962-09-27
1963	1963-06-13	1963-10-12
1964	1964-05-17	1964-09-17
1965	1965-07-03	1965-10-15
1966	1966-05-04	1966-09-23
1967	1967-05-23	1967-09-30
1968	1968-04-30	1968-09-30
1969	1969-04-24	1969-09-28
1970	1970-05-06	1970-10-05
1971	1971-06-18	1971-09-14
1972	1972-05-16	1972-09-19
1973	1973-05-31	1973-09-30

Every Fixed Threshold

Fixed thresholds at Orman Dam
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	63	90	1939	73
35 C (95 F): Days	63	54	1936	29
40 C (104 F): Days	26	12	1936	7
90 F (32.2 C): Days	63	75	1936	46
100 F (37.8 C): Days	55	31	1936	15
110 F (43.3 C): Days	2	2	1936	1
0 C (32 F): Ice days (max	63	71	1937	40
0 C (32 F): Frost days (min	59	198	1916	161
-10 C (14 F): Days with min	59	85	1951	47
-20 C (-4 F): Days with min	59	47	1916	13
-30 C (-22 F): Days with min	44	12	1936	6
20 C (68 F): Tropical nights (min	45	10	1921	1
25 C (77 F): Days with min	3	2	1921	1
10 mm (0.39 in): Days with 10 mm or more rain	58	23	1927	11
25 mm (0.98 in): Days with 25 mm or more rain	50	8	1946	3
50 mm (1.97 in): Days with 50 mm or more rain	10	2	1933	1
10 cm (3.9 in): Days with 10 cm or more snowfall	31	8	1950	2
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1944	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1970	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.

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Data for Orman 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Orman Dam Threshold Days by Year (USC00396357)

Key Facts for Orman Dam Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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