New River Threshold Days by Year (USC00406547)

4 fixed thresholds counted per year at New River (USC00406547): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for New River Thresholds

New River: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1911 with 55.
New River: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1909 with 23.
New River: days with 50 mm (1.97 in) or more of precipitation in 38 years, most in 1920 with 8.
New River: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1927 with 1.
4 fixed thresholds have at least one qualifying day at New River.

Days with 10 mm (0.39 in) or more of precipitation

39 years with a qualifying day

Days per year at New River with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 55 in 1911.

Days with 10 mm (0.39 in) or more of precipitation per year at New River
Year	Days	Decade average
1909	46	46
1911	55	45.8
1912	48	45.8
1913	45	45.8
1914	35	45.8
1915	54	45.8
1916	45	45.8
1917	45	45.8
1918	44	45.8
1919	41	45.8
1920	45	43.1
1921	40	43.1
1922	45	43.1
1923	46	43.1
1924	40	43.1
1925	39	43.1
1926	45	43.1
1927	42	43.1
1928	44	43.1
1929	45	43.1
1930	28	34
1931	27	34
1932	39	34
1933	38	34
1934	33	34
1936	28	34
1938	40	34
1939	39	34
1941	35	39.8
1942	39	39.8
1943	35	39.8
1944	37	39.8
1945	44	39.8
1946	50	39.8
1947	38	39.8
1948	39	39.8
1949	41	39.8
1950	52	50
1951	48	50

For each year, a bar from the first to the last day at New River meeting 10 mm (0.39 in).

First to last qualifying date each year at New River
Year	First date	Last date
1909	1909-01-05	1909-12-25
1911	1911-01-01	1911-12-31
1912	1912-01-09	1912-12-30
1913	1913-01-03	1913-12-26
1914	1914-01-25	1914-12-29
1915	1915-01-06	1915-12-29
1916	1916-01-06	1916-12-28
1917	1917-01-03	1917-12-08
1918	1918-01-07	1918-12-23
1919	1919-01-01	1919-12-13
1920	1920-01-21	1920-12-23
1921	1921-01-10	1921-12-26
1922	1922-01-05	1922-12-28
1923	1923-01-02	1923-12-28
1924	1924-01-01	1924-12-24
1925	1925-01-01	1925-12-21
1926	1926-01-22	1926-12-29
1927	1927-01-24	1927-12-31
1928	1928-02-06	1928-12-18
1929	1929-01-01	1929-12-28
1930	1930-01-03	1930-12-27
1931	1931-01-06	1931-12-24
1932	1932-01-06	1932-12-31
1933	1933-01-09	1933-12-26
1934	1934-01-07	1934-12-26
1936	1936-01-03	1936-12-31
1938	1938-01-01	1938-12-27
1939	1939-01-05	1939-12-24
1941	1941-01-25	1941-12-24
1942	1942-01-01	1942-12-30
1943	1943-02-04	1943-12-29
1944	1944-01-03	1944-12-29
1945	1945-01-01	1945-12-05
1946	1946-01-12	1946-12-29
1947	1947-01-01	1947-12-16
1948	1948-01-02	1948-12-25
1949	1949-01-04	1949-12-23
1950	1950-01-02	1950-12-07
1951	1951-01-04	1951-12-26

Every Fixed Threshold

Fixed thresholds at New River
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	39	55	1911	48
25 mm (0.98 in): Days with 25 mm or more rain	39	23	1909	15
50 mm (1.97 in): Days with 50 mm or more rain	38	8	1920	2
100 mm (3.94 in): Days with 100 mm or more rain	6	1	1927	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.

Download the Data

Data for New River 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).

New River Threshold Days by Year (USC00406547)

Key Facts for New River Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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