Forrestdale Threshold Days by Year

3 fixed thresholds counted per year at Forrestdale (ASN00009016): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Forrestdale Thresholds

Forrestdale: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1917 with 47.
Forrestdale: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1907 with 16.
Forrestdale: days with 50 mm (1.97 in) or more of precipitation in 14 years, most in 1912 with 2.
3 fixed thresholds have at least one qualifying day at Forrestdale.

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

32 years with a qualifying day

Days per year at Forrestdale with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1917.

Days with 10 mm (0.39 in) or more of precipitation per year at Forrestdale
Year	Days	Decade average
1907	33	35
1908	30	35
1909	42	35
1910	33	29.3
1911	23	29.3
1912	31	29.3
1913	33	29.3
1914	16	29.3
1916	30	29.3
1917	47	29.3
1918	27	29.3
1919	24	29.3
1920	35	32.2
1924	29	32.2
1925	22	32.2
1926	47	32.2
1929	28	32.2
1930	37	31.9
1931	35	31.9
1932	34	31.9
1933	31	31.9
1934	31	31.9
1935	27	31.9
1936	30	31.9
1937	30	31.9
1938	29	31.9
1939	35	31.9
1940	17	33.4
1941	33	33.4
1942	41	33.4
1943	31	33.4
1945	45	33.4

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

First to last qualifying date each year at Forrestdale
Year	First date	Last date
1907	1907-04-27	1907-10-24
1908	1908-02-26	1908-10-06
1909	1909-03-26	1909-11-12
1910	1910-01-04	1910-10-16
1911	1911-04-23	1911-10-29
1912	1912-05-05	1912-11-13
1913	1913-04-11	1913-10-25
1914	1914-02-18	1914-11-13
1916	1916-01-29	1916-11-22
1917	1917-02-09	1917-12-20
1918	1918-02-15	1918-10-28
1919	1919-04-04	1919-12-10
1920	1920-03-29	1920-10-10
1924	1924-05-12	1924-11-10
1925	1925-01-24	1925-10-11
1926	1926-02-24	1926-11-19
1929	1929-02-16	1929-10-29
1930	1930-04-15	1930-12-13
1931	1931-04-09	1931-10-07
1932	1932-04-06	1932-10-29
1933	1933-01-16	1933-10-16
1934	1934-01-16	1934-09-25
1935	1935-04-03	1935-10-26
1936	1936-04-15	1936-10-02
1937	1937-02-11	1937-10-07
1938	1938-03-13	1938-11-01
1939	1939-04-10	1939-11-01
1940	1940-04-27	1940-10-21
1941	1941-04-27	1941-11-16
1942	1942-04-10	1942-10-27
1943	1943-01-31	1943-09-20
1945	1945-03-29	1945-11-12

Every Fixed Threshold

Fixed thresholds at Forrestdale
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	32	47	1917	45
25 mm (0.98 in): Days with 25 mm or more rain	32	16	1907	14
50 mm (1.97 in): Days with 50 mm or more rain	14	2	1912	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

Data for Forrestdale 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).

Forrestdale Threshold Days by Year

Key Facts for Forrestdale Thresholds

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

Every Fixed Threshold

Download the Data

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